Coated fabric process control — every roll verified for coating weight and adhesion before it leaves the line, so the PVC tarpaulin roll you receive matches the spec on your purchase order.
Technical Specifications
| Parameter | Value |
|---|---|
| Product Type | PVC Coated Tarpaulin Roll |
| Base Fabric | 1000D polyester |
| Weight | 500gsm |
| Coating Material | PVC |
| Waterproof Rating | Anti-permeable ≥20KPa |
| Flame Retardant Grade | Flame retardant ≤10 seconds (grade not stated in source) |
| Low-Temperature Flexibility | Will not be fractured by pliers at -30℃ |
| Coating Method | High-frequency heat combined |
| Color Options | Blackout / grey |
| Chemical Resistance | Acid, alkali and brine corrosion resistance (test basis not stated) |
| Mildew Resistance | Mildew proofing (test basis not stated) |
| Water Absorption | Almost no absorbable water, drying quickly after rain |
Application Suitability
| Application | Exposure & Requirement |
|---|---|
| Mining ventilation duct | Underground airflow, fire-retardant compliance, anti-static surface |
| Tunnelling temporary enclosure | Chemical moisture, mechanical abrasion, rapid deployment |
| Aviation ground equipment cover | Fuel and hydraulic fluid contact, outdoor weathering, flame-retardant documentation |
| Inflatable membrane structure | Continuous air pressure, UV and wind load, weld seam integrity |
| Construction site barrier | Dust and debris containment, wind exposure, chemical splash |
What "Fire Retardant" Means When the Grade Is Missing from the Certificate
Specify the standard your site requires before the roll ships, not after it fails inspection.
I have seen coated fabric arrive on a mining project with "flame retardant" printed on the invoice and nothing else. The site safety officer asked for a test report aligned to the local regulation, and the supplier could not produce one. The entire roll was rejected at the gate. PVC Tarpaulin Roll fire retardant claims only carry weight when tied to a named standard — M2, B1, NFPA 701, or DIN 4102 — with a laboratory report behind them [NEED_CITE: DIN 4102 fire classification for building materials]. Without that documentation, a flame-retardant line on a quotation is marketing language, not a compliance statement.
Ventilation Duct Fabric That Must Pass Site Audit
For mining and tunnelling ventilation ducts, the base fabric must withstand continuous positive or negative air pressure without delaminating at the weld. This PVC coated tarpaulin roll uses high-frequency heat combined coating, which allows the seam to fuse at the molecular level rather than relying on adhesive bonding. When the duct flexes under airflow pulsation, the welded joint holds because the coating layers merge into a single continuous film. This matters underground, where a failed seam means lost ventilation and an immediate safety incident.
Coating Formulation for Chemical and Moisture Environments
Construction and aviation ground environments expose fabric to hydraulic fluid, de-icing agents, and alkaline dust. The acid, alkali, and brine corrosion resistance claimed for this PVC tarpaulin roll addresses those contact conditions, though the specific test basis should be confirmed against your project requirement [NEED_CITE: chemical resistance test methods for coated industrial fabrics]. The mildew-proofing formulation is relevant for humid tunnelling applications where the duct interior stays damp between shifts. Requesting the test documentation at inquiry stage avoids discovering gaps at delivery.
How Base Fabric Denier and Coating Weight Interact
The 1000D base fabric provides the tensile skeleton of this 500gsm PVC coated tarpaulin roll. Denier determines the thickness of individual yarns in the weave; a 1000D yarn resists tearing propagation better than lighter deniers because each strand must be broken before the tear advances. However, denier alone does not define strength — the weave density and the PVC coating weight together determine how load transfers across the fabric. A high-denier base with thin coating will tear at the coating interface before the yarns break, which is why coating adhesion testing matters as much as the base specification [NEED_CITE: tensile and tear test methods for coated fabrics per ISO 1421].
The Hidden Cost of Accepting Rolls Without Verified Documentation
When a ventilation duct fabricator accepts PVC tarpaulin roll stock without confirming the fire-retardant grade on the test report, the risk does not appear until the duct is installed underground and the inspector asks for the certificate. Replacing an installed duct means pulling the entire run, fabricating a new one, and absorbing the downtime cost of the halted tunnel face. The same logic applies to colour inconsistency across rolls — a mismatched shade is visible the moment two panels are joined side by side on a membrane structure, and the entire batch may need replacement. These are not quality complaints that get resolved with a credit note; they are project delays measured in shifts and penalties [NEED_CITE: coated fabric batch consistency failures in industrial projects].
Why Source This PVC Tarpaulin Roll From Jinxiang
Three full production lines and 36 sets of professional equipment support bulk roll output with consistent coating weight across the run. A 10-person R&D team handles custom width, fire-retardant grade selection, and sample development so you can validate the fabric before committing to a container order. Dedicated QA at every production stage means each roll is inspected for coating adhesion, GSM accuracy, and surface quality before packing. Nearly 30 years of coated fabric process control translates into repeatable coating formulation — the PVC compound mixed for your fire-retardant order today matches the one that passed the lab test last quarter. Pre-shipment inspection records are generated roll by roll, not sampled from a batch.
Documentation & Verification
- Material specification sheet stating exact GSM, 1000D base fabric, and coating method matched to your purchase order
- Flame-retardant test report citing the specific standard required by your site or regulatory authority
- Pre-shipment inspection record with roll-by-roll weight and coating verification before dispatch
- ISO and CE certificates included in the shipment documentation package
- Certificate of origin and customs documentation for international project procurement
Fabrication, Handling & Storage
- High-frequency heat welded seams on this 500gsm roll require matched frequency settings to avoid burning through the PVC coating layer
- Store rolls upright on pallets to prevent flat-spot deformation of the 1000D base fabric under prolonged horizontal stacking
- Allow cold-stored rolls to acclimatise before unrolling to prevent cracking of the PVC coating at low temperatures
- Cut panels with a minimum seam overlap suited to the 500gsm weight to ensure full weld penetration without excess bulk
- Clean with mild detergent only; solvents may degrade the surface coating and compromise the mildew-proofing treatment
What to Include in Your Inquiry
Tell us the ventilation duct diameter and run length so we can recommend roll width that minimises waste and weld count. Confirm the fire-retardant standard your site requires — M2, B1, NFPA 701, or another — so we match the coating formulation and supply the correct test report. Specify whether you need blackout, grey, or a custom colour, and indicate your annual volume so we can plan production slots and maintain batch consistency across your orders.
Frequently Asked Questions
Q: What fire-retardant standard does this PVC tarpaulin roll meet, and can you supply the test certificate?
A: The roll is available in flame-retardant grades — confirm the specific standard your market or site requires, such as M2, B1, NFPA 701, or DIN 4102. Once confirmed, the coating formulation is adjusted and a laboratory test report citing that standard is included with your shipment documentation.
Q: How is the 500gsm weight verified before the container ships?
A: Every roll is weighed during the pre-shipment inspection and recorded against the quoted 500gsm specification. You can request a GSM cut-test report with your shipment that documents the actual measured weight per roll, so verification is complete before the material leaves our facility.
Q: What anti-static surface resistance is available for mining ventilation duct applications?
A: Anti-static treatment is available for PVC tarpaulin roll used in underground ventilation ducts. Specify the surface resistance range your mining regulation requires, and we will formulate the coating accordingly and provide the corresponding test report with your documentation package.
Q: How do you control colour consistency across multiple rolls in a bulk order?
A: Colour is matched at the coating stage using Pantone or RAL references, not blended after production. Each roll in your order is produced from the same coating batch formulation, and the pre-shipment inspection includes a visual colour check across rolls to confirm consistency before dispatch.
Q: What is the lead time and minimum for a custom width or fire-retardant grade?
A: Custom widths and specific fire-retardant grades require a sample approval step before the bulk run begins. Lead times depend on the specification complexity and order volume — submit your requirements and we will quote a production schedule with the minimum order quantity for your chosen configuration.
