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Mineral Wool Bag PP Woven Supplier India | India Pack

A large-volume FIBC sized for low-density, compressible insulation materials — mineral wool, rock wool, and glass wool — where cubic capacity and a wide filling throat matter more than rated load weight.

Mineral Wool Bag — Sourced From Audited Indian Factories

A large-volume FIBC sized for low-density, compressible insulation materials — mineral wool, rock wool, and glass wool — where cubic capacity and a wide filling throat matter more than rated load weight.

Request a Quote Send Your Specifications

Overview

The mineral wool bag — also referred to as a rock wool bag, glass wool bag, or insulation material FIBC — is a large-format flexible intermediate bulk container built for low-density, compressible insulation fibres. Mineral wool, rock wool, and glass wool share an awkward combination of properties for bulk packaging: they are light by weight but bulky by volume, and loose fibres will escape through any gap in the container if it is not properly closed or lined. The result is a bag that is engineered around volume and containment, not raw load capacity. Buyers in this market are insulation manufacturers consolidating finished rolls and slabs for export, building materials distributors moving loose fibre in bulk, and construction materials logistics operations handling bulk insulation for project supply.

The specification discipline for a mineral wool FIBC starts with bulk density, not SWL. The buyer's product — whether it is mineral wool slabs at 30 kg/m³ or denser rock wool at 80–100 kg/m³ — determines how large the bag needs to be to reach the target fill weight. A bag specified only by SWL without a confirmed bulk density figure frequently arrives at the wrong volume: either undersized so the bag never reaches its rated load, or so large that it becomes unmanageable on the filling line. The second evaluation criterion is the filling throat. Bulky insulation material does not flow like granules; it requires a full open-top or wide-mouth configuration so the product can be pressed or dropped in without compression damage to the fibre structure. Baffled construction is common where a regular rectangular footprint is required for pallet stacking, but baffle tension must be set correctly or the bag bulges and the fill column collapses. The third decision is liner specification: a PE inner liner is the standard route to controlling airborne fibre escape at the filling station and during transport. Liner gauge needs to match the bag's expected fill cycle and the fragility of the fibre.

India has been a primary supplier of specialist FIBCs — including high-volume insulation-grade bags — for over a decade, with factories holding the woven PP fabric weight range and construction capability this format requires. India Pack operates as a procurement intermediary, sourcing from a network of 10+ audited FIBC manufacturers, running specification verification against each order's confirmed bulk density, and managing export documentation. In ten years of operation, India Pack has supplied 25M+ bags across its network. Margin is inside an all-inclusive price; there is no separate sourcing fee.

Which Bag Do You Need?

Mineral wool and similar insulation fibres are a specific use case within the FIBC range. If your fill material or operational requirement sits outside this profile, the table below points to the right product.

Your requirement Recommended
Mineral wool, rock wool, glass wool, or other low-density insulation fibre — wide-mouth filling, large volume, optional liner Mineral Wool Bag (this page)
Same mineral wool application but with a printed brand, customer logo, or labelling on the bag body Mineral Wool Bag with Logo
Dense powders, granules, or aggregates where a standard FIBC geometry is sufficient Builders Bag
Material requiring a bottom discharge spout — pellets, granules, or flowable solids Open Top Discharge Spout Bag
Standard FIBC with a fitted PE liner for moisture-sensitive or dust-sensitive bulk material U Panel Bag with Liner
Fully bespoke construction — non-standard volume, custom panel count, or atypical fibre type Bespoke Bag

Variants

Plain Open Top

Standard PP woven FIBC with a fully open top for unobstructed filling of bulky insulation material. The most common configuration for insulation manufacturers running high-throughput filling lines.

Best for: Filling lines where material is pressed or dropped in by conveyor or manual handling — no filling spout restriction on the throat diameter.

Key spec: SWL [FILL]; volume [FILL — derived from buyer's bulk density and target fill weight]; fabric GSM [FILL].

Open Top with PE Inner Liner

Open-top construction with a PE film inner liner fitted inside the woven PP body. The liner controls loose fibre escape at the filling station and during transport, which is the primary containment concern with mineral fibre products.

Best for: Applications where airborne mineral fibre is a handling safety concern at filling or discharge, or where fibre contamination of adjacent cargo must be prevented.

Key spec: Liner gauge [FILL — buyer to specify based on fill cycle and fragility of fibre]; SWL [FILL]; fabric GSM [FILL].

Baffled Open Top

Open-top FIBC with internal baffles on the corner panels to maintain a rectangular footprint under load. Keeps the filled bag within standard pallet dimensions for stable stacking and storage.

Best for: Warehouse and logistics operations requiring regular stack profiles; pallet-loaded container export where bag footprint must not exceed pallet edge.

Key spec: Baffle construction [FILL]; SWL [FILL]; pallet footprint [FILL — buyer to specify].

Baffled with Liner

Combines baffled construction for a regular rectangular footprint with a PE inner liner for fibre containment. The most specified configuration where both stacking profile control and containment are required.

Best for: Export shipments of mineral wool where container loading demands consistent bag geometry and fibre escape must be controlled throughout transit.

Key spec: Liner gauge [FILL]; SWL [FILL]; volume [FILL — derived from bulk density and target fill weight].

Technical Specifications

Parameter Specification
Safe Working Load (SWL)[FILL — specified per order based on confirmed bulk density and target fill weight]
Safety Factor[FILL]
Body FabricPP woven
Fabric GSM[FILL]
Volume / CapacityCustom to order — determined by buyer's confirmed bulk density (kg/m³) and target fill weight
Dimensions (L × W × H)Custom to order; large volume typically required
Bottom Type[FILL — flat base or duffle; buyer-specified]
Top ClosureOpen top (standard); filling spout or duffle top available — buyer-specified
ConstructionStandard 4-panel or baffled — buyer-specified
Lift Loops4-loop standard; loop SWL per design
Loop Length[FILL]
Inner LinerOptional PE liner; gauge [FILL — buyer to specify]
CoatingUncoated standard; PE coating available [VERIFY per factory]
PrintingPlain (unprinted) — see Mineral Wool Bag with Logo for printed variant
Fabric ColourNatural white; custom colours [VERIFY per factory]
Certification (factory-level)ISO 21898 — held at factory level; not an India Pack certification [VERIFY per factory]

Industries & Applications

Insulation Manufacturing

What's packed: Finished mineral wool slabs and rolls, rock wool blanket, glass wool batts and loose fill.

Typical requirement: A bag volume matched to the product's bulk density so the rated SWL is reached at a practical fill height. Manufacturers typically run automated filling lines and need consistent bag dimensions to minimise setup change between batches. The wide open-top configuration is standard at this stage. For products where fibre escape at the filling station is a health and safety concern, a PE liner is specified. Certification relevant to this segment — including ISO 21898 for FIBC testing — is held at the factory supplying the bag, not by India Pack. [VERIFY per factory]

Construction Materials Distribution

What's packed: Bulk mineral wool, rock wool slabs, loose insulation fibre for project supply.

Typical requirement: Bags that maintain a regular pallet-compatible footprint through distribution handling — baffled construction is the standard choice here. Transit integrity matters: the bag needs to survive forklift handling and pallet stacking without the sides deforming to the point where stacking stability is lost. For container export, the buyer specifies the pallet footprint and stack count so the factory can confirm the bag volume and baffle tension.

Building Products Distribution

What's packed: Insulation materials consolidated for builder's merchant or contractor supply.

Typical requirement: Bags that are handled by forklift at depots and delivered intact to site. The key buyer concern at this stage is loop integrity under repeated forklift cycle and the bag's resistance to tearing on concrete floors. Liner specification is often retained from the manufacturer's fill stage to keep fibre contained through the full supply chain. Buy cycle volumes and pricing per unit are typically the primary commercial negotiation points.

Export & Freight Logistics

What's packed: Mineral wool or glass wool consolidated in bulk for container export.

Typical requirement: Container loading density is the buying driver — the bag volume and pallet footprint are set to maximise cubic utilisation of the container. Baffled bags with consistent dimensions allow close-stacking without wasted void space. The liner, where fitted, prevents fibre from working through the woven body and contaminating adjacent cargo or the container interior. Export documentation requirements (packing list, certificate of origin, test certificates) are managed through India Pack's export process.

Customisation Options

Structural

  • Volume — calculated from buyer's confirmed bulk density (kg/m³) and target fill weight; supply both figures at the quote stage
  • Dimensions (L × W × H) — custom to order; state pallet footprint constraint where applicable
  • Construction — standard 4-panel or baffled; specify whether regular rectangular profile is required
  • Bottom type — flat base or duffle bottom; buyer-specified
  • Fabric weight (GSM) — specify for expected fill weight and handling cycle count

Functional

  • Top closure — open top (standard); filling spout or duffle top available for controlled filling
  • PE inner liner — specify gauge based on fill cycle fragility and fibre type; primary route for controlling loose fibre escape
  • Loop length — specify for forklift tine clearance at the filling station and handling site
  • Discharge bottom spout — for products requiring bottom discharge (confirm with factory; not a standard mineral wool configuration)

Compliance

  • ISO 21898 (FIBC testing standard) — held at factory level; not an India Pack certification [VERIFY per factory]
  • ISO 9001 quality management — held at factory level [VERIFY per factory]
  • SEDEX / SMETA social audit — held at factory level [VERIFY per factory]
  • BRCS packaging standard — held at factory level [VERIFY per factory]

For free-flowing fine powders where mineral fibre contamination is a risk, this bag format is not appropriate — see the U Panel Bag with Liner for sealed liner configurations suited to fine-powder applications.

Branding

  • Plain (unprinted) — standard configuration for this product
  • Printed variant — see Mineral Wool Bag with Logo for logo or brand printing on the bag body
  • Custom fabric colour — [VERIFY per factory]
  • Stencil or tag labelling — for batch identification without full print run MOQ

Tell Us What You're Packing

Send us your product's bulk density (kg/m³), target fill weight, pallet footprint constraint, and approximate annual volume — we'll come back with sourced pricing from the audited factories that supply this construction.

Request a Quote Send Your Specifications

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Construction PP Woven Specialist
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Why source through India Pack

Full transparency — you always know your manufacturer

Once commercials are finalised, we disclose the details of the manufacturing facility producing your order. If you prefer a multi-facility portfolio strategy, we share the details of each qualified facility we've matched to your specifications.

The purchase order is raised directly in the name of the manufacturing facility — not India Pack — so there's no ambiguity about who is producing your goods. On request, we'll also arrange a direct introduction with a key contact at the facility.

We don't hide the factory behind us. You see exactly who you're buying from, and we earn our place by managing the relationship, the quality, and the documentation around it — not by controlling access to it.

Scale that works in your favour

We don't represent one buyer to one factory. India Pack brings a portfolio of buyers to a network of manufacturing facilities, and sitting in that position is what gives every buyer we work with an advantage they couldn't get alone.

It shows up first in capacity. At select facilities we hold dedicated production lines; across the rest of the network, the volume we place earns us priority. For you, that means your order isn't queued behind a factory's larger customers, and a busy season doesn't push your delivery date out.

It shows up in price. The combined volume we place gives us negotiating weight that most individual buyers can't match, so the quote you receive is competitive on a like-for-like specification — one you can hold directly against your existing suppliers and judge on the same terms.

It shows up most when something goes wrong. A factory settling a claim isn't weighing one order against the cost of fixing it; it's weighing the relationship with everything we bring them. That's the difference between a claim that drags and a claim that gets settled.

And because we're in these facilities every day, we know first-hand which one excels at a given specification, which to avoid for a particular material, and where quality actually holds. It's why we can match your bag to the right factory the first time.

The right bag, at the right weight — and the right price, every time you reorder

A bulk bag's cost is driven largely by how much fabric goes into it. Over-specify the weight and you pay for material you don't need; under-specify it and the bag fails in handling. We engineer each bag to the optimum fabric weight for your actual load and handling conditions — strong enough to perform reliably, without the cost of over-built material you'll never use.

We benchmark that specification across our facility network so your first quote is competitive — sharp because the bag is specified correctly, not because it's cut short. And we keep benchmarking on every reorder. Raw material prices move, and so should your price — down as well as up. You won't find a low opening quote that quietly drifts upward once the relationship is established. The price stays honest because we keep checking it against the market, order after order.

Transparent pricing, no separate fees

You don't pay India Pack a separate service fee or commission. We act as your level-one procurement office in India, and our pricing is all-inclusive — so you can compare our quote directly against your existing suppliers, like for like. What you save is in the price, not in a separate line item.

Order flexibility — build a container on your terms

You don't have to place a full-container order all at once, or commit to a single bag specification. Within an order you can mix specifications, and we select facilities capable of producing the range you need — so a single container can carry the mix your operation actually requires.

You can also build a container over time. Place orders as your requirement firms up, and we'll keep the container open — with the price of each order locked at the point you place it — until the load is complete. You're not forced to forecast a full container in one go or accept a price that moves while you wait.

Two practical limits keep this clean: we hold a container open for up to 20-25 days from your first order, and dispatch lead times begin once the container composition is final and the load is full. For procurement teams used to committing to full single-spec containers upfront, that flexibility removes both the forecasting pressure and the risk of over-ordering.

Factory access without factory risk

India Pack maintains active sourcing relationships with 10+ FIBC manufacturers across India. When a factory hits a capacity constraint or a quality issue, we give you the option to switch production without interrupting your supply. You don't restart vendor qualification from scratch — we carry that burden for you.

Documentation managed end to end

We manage the complete export documentation set — commercial invoice, packing list, certificate of analysis, SWL test certificates, packing inspection report, and any third-party inspection reports — so your import clearance proceeds without delays or amendment requests. We have supported buyers in Europe, USA, Canada, Middle East, Australia, and New Zealand across food processing, chemicals, construction and mineral trading.

Send us your specs and we'll come back with supplier options and a quote. Don't have them finalised? Tell us what you're packing and where it's going — we'll help you build the right specification. Distributors or end-users, you bring the requirement and we handle the supply.

Send Your Specifications

Frequently Asked Questions

We are a sourcing partner, not a factory. We connect you to a network of audited Indian manufacturers, match each order to the right plant, and manage specification, quality, and shipment on the ground.

Yes. For custom branding, we review your artwork files for resolution, print alignment, and fit to the bag geometry. If you don't have technical drawings or layouts ready, our team drafts the bag specification sheets and print-ready layouts for your approval.

We treat your designs, artwork, and intellectual property as confidential. Confidentiality terms are enforced down the supply chain with our manufacturing partners in India.

We provide free prototype samples of standard or readily available fabric specifications for your evaluation and physical testing, shipped through international couriers such as DHL, FedEx, UPS, DPD, or Interparcel.

We provide up to 2 samples completely free of cost, with courier included. Beyond that, additional samples remain free of charge and you cover only the courier.

Standard manufacturing lead time for an initial order is 5–8 weeks from final artwork and specification sign-off, with advance payment or LC opening. Repeat orders with identical specifications often run faster, as plants pre-schedule production blocks and keep printing plates ready for mounting.

Bags are hydraulically compressed, wrapped in moisture-resistant, UV-stabilised PP sheets, and bound with high-tensile bands for long transit. Each bale carries multi-sided, waterproof labels showing your PO number, bag specifications, quantities, and weights.

Average full-container transit times are 35–45 days to Europe (via the Cape), 30–40 days to the US East Coast, 35– 45 days to the US West Coast and New Zealand, and 45–55 days to Latin America. Actual schedules vary with seasonal carrier routing and whether the load is FCL or LCL. We keep you posted about the status of the shipment

Air blowing and suction remove loose PP fragments and dust using filtered, oil-free compressed air and vacuum extraction. Light-table inspection checks every seam against backlighting to catch dropped stitches, pinholes, or weave defects. if specified we run Bags though Metal detection to confirm no embedded needle fragments or metallic tools remain.

In case of a claim we are your representative to the company, We review production records alongside your photos or videos to identify the root cause. If a manufacturing defect is verified, we issue a credit or replacement and update factory protocols to prevent recurrence.

Our facilities run in-house load tests on every production run. Certified test reports and label proofs are sent to you for verification and approval before dispatch. We share pre production bag photos to confirm that bags are being mass produced as per your specification. This would include Safety Label, Print artwork, Pre production Print Panel, Printing, Bag dimensions, accesories

We provide high-strength overlock and safety stitching, along with double-needle stitching options based on your application and handling needs. Because stitching directly dictates the bag's Safe Working Load (SWL), every seam meets industrial safety standards.

Yes, we supply both J-fold and Butterfly-fold edge construction depending on your facility's filling infrastructure.

We offer single, double, and triple sift-proofing, using high-density filler cords and non-woven felt layers sewn directly into the seams to plug needle holes. For ultra-fine or hygroscopic materials, we can integrate heavy-duty polyethylene (PE) internal liners for dust-proof and moisture-proof security.

Yes, we source food-grade and pharmaceutical-grade big bags produced in BRCGS-certified cleanroom facilities that meet US FDA and European standards. These bags undergo pest control, metal detection, and hygiene audits to support contamination control for sensitive ingredients.

Type A bags provide no static protection and suit non-flammable materials. Type B bags prevent propagating brush discharges but are not rated for flammable solvent or gas atmospheres. Type C (conductive) bags use interconnected conductive threads and must be grounded during filling and discharge. Type D (dissipative) bags safely release charge into the air without a ground connection.

Yes, we offer full design flexibility including duffel tops for easy manual filling, open tops, and conical discharge spouts for sticky or sluggish materials. Our technical team matches the bag's openings to your filling and discharging equipment.

Our standard loop colours are white, blue, and black. We can provide other colours free of charge if currently in stock. For custom, Pantone-specific colours, a minimum order quantity (MOQ) of 2 MT applies.

A B-Lock (or cord lock) is a heavy-duty plastic or metal locking device attached to the tie-strings of a bag's spout, usually the discharge spout. It lets operators lock the spout closed and adjust or release it during emptying without untying tight knots.

A Hose Slider is a closure mechanism that regulates or completely stops material flow through the discharge spout. It works by sliding a rigid bar or collar over the spout to pinch it shut, giving operators precise control when partially emptying a bag.

We supply to your required safety factor. Industry standard is 5:1 for single-trip bags and 6:1 for multi-trip bags, with UN-certified bags for dangerous goods built to a 6:1 minimum.

Single-trip bags are designed for one filling and discharge cycle and are the most cost-efficient choice for one-way shipments. Multi-trip bags use heavier GSM fabric and a higher safety factor for repeated reuse. We match the construction to how the bag will be used.

Yes. We add UV stabilisers to the fabric for bags stored or handled outdoors, rated to 200 KLY to 350 KLY.

Baffle bags have internal fabric panels at the corners that hold the bag's square shape when filled, so it doesn't bulge. That lets you load more product per pallet and stack more stably in containers and warehouses. See our Baffle FIBC page for full specifications.

Coated (laminated) fabric adds a moisture and sift barrier and suits fine or hygroscopic powders. Uncoated fabric allows the bag to breathe, which suits products that need ventilation such as some agricultural goods. We recommend based on your product.

We offer loose, form-fit, and tubular polyethylene liners, EVOH liners, plus aluminium-foil liners for moisture- or oxygen-sensitive products. The liner type depends on your product's barrier needs.

The most common sizes are A4 (full-page documents and manifests) and A5 (smaller labels and barcodes). Custom sizes can also be made. Two closure options are available:
  • Standard Flap: a top or side opening with an overlapping flap to keep out dust.
  • Ziplock (resealable): maximum protection against rain, moisture, and grime.

The minimum order quantity for coloured fabric is 3 MT. A specific Pantone colour number is always required for production.

We produce woven PP fabric across a range of weights to match your strength and cost needs, from 55 GSM to 240 GSM additional coating 30 gsm

Yes. We source BOPP-laminated woven bags with high-definition print for consumer-facing and retail-grade packaging, giving sharp graphics and a moisture barrier in one structure. MOQ's apply