Proven Coating Expertise — Nearly 30 years of PVC coating process control ensures every roll of fire-retardant and anti-static fabric meets the compliance documentation your site demands before installation.
Technical Specifications
| Parameter | Value |
|---|---|
| Product Type | PVC Coated Tarpaulin |
| Weight | 450 g/m² |
| Coating Material | PVC |
| Base Fabric | Woven Fabric |
| Waterproof Rating | Fully Waterproof |
| Application Weight Class | Medium Weight |
| Flame Retardant Grade | Available in flame retardant grades — confirm the grade required for your market |
| Anti-Static Grade | Available in anti-static grades — confirm the standard required for your project |
| Standards & Certification | ISO, CE (cross-reference documentation supplied) |
Application Suitability
| Application | Exposure & Requirement |
|---|---|
| Mining & tunnelling ventilation duct | Continuous airflow, dust accumulation, mandatory fire-retardant and anti-static compliance for underground safety regulations |
| Aviation ground support ducting | Fuel-rich environment proximity, strict flame-retardant certification required by airport safety authorities |
| Inflatable & membrane structures | Wind load flexing, UV and weather exposure, structural integrity under positive and negative pressure cycles |
| Temporary site enclosures | Rain, wind, abrasion from construction activity, rapid deployment and teardown cycles |
What Happens When Ventilation Duct Arrives Without the Fire-Retardant Certificate Your Site Requires
Every roll we ship carries the test report your compliance officer needs before the duct is installed underground or on the tarmac.
Ventilation duct fabric often reaches the job site with a material safety data sheet but no independent test result confirming the flame-retardant or anti-static grade the project specification demands. The contractor then faces a choice: install without documentation and risk a failed site audit, or hold the material and wait for a replacement that delays the entire ventilation schedule. In mining and tunnelling operations, a missing certificate is not a paperwork inconvenience — it is a safety compliance failure that can halt production. [NEED_CITE: mining ventilation duct fire safety compliance requirements by jurisdiction]
When procurement specifies PVC coated tarpaulin fire retardant / anti-static / certified fabric, the expectation is that the delivered material carries verifiable test documentation matched to the regulatory framework of the installation site. Too often, suppliers quote a treated grade but ship generic stock, leaving the buyer to discover the gap only when the site inspector asks for the certificate.
Compliance Documentation That Travels With the Fabric
Specifying PVC coated tarpaulin fire retardant / anti-static / certified material is only the first step; the real value lies in receiving documentation that your site safety officer can file without additional follow-up. We pair each production batch with the material specification sheet, the relevant test report for the flame-retardant or anti-static grade produced, and a pre-shipment inspection record. This means your compliance audit trail is complete from the moment the roll arrives at your warehouse, not weeks later after chasing paperwork across time zones.
Coating Formulation Engineered for Duct and Membrane Fabrication
Medium-weight 450 g/m² PVC coated fabric sits in the range where duct fabricators need enough body to hold a round or flat duct profile under positive air pressure, yet enough flexibility to collapse the duct for transport to remote mine sites or tunnel portals. The woven base fabric provides tear resistance at the points where duct sections join and where suspension hardware transfers load into the material. Coating adhesion is controlled so that heat-welded seams — the most common failure point in fabricated ducts — perform consistently across the full production run, not just on the sample roll sent for approval. [NEED_CITE: heat weld seam strength relative to base fabric tensile in PVC coated fabrics]
Reading the Specification Sheet Beyond the GSM Number
A 450 g/m² weight tells you the combined mass of base fabric and PVC coating per square metre, but it does not tell you how that weight is distributed. A fabric with a heavier coating and lighter base fabric will show good surface waterproofing yet tear more easily under mechanical stress than one with a denser woven base and thinner coating layer. For ventilation duct applications where the fabric flexes continuously under air pulsation, the base fabric denier and weave density determine how well the material resists crack propagation at fold points and suspension eyelets. The PVC coating method — whether knife-over-roll, dip, or calender — affects both the surface finish and the peel strength between coating and base, which directly influences how the fabric behaves during high-frequency welding. Buyers specifying material for mining or aviation duct should request the base fabric specification alongside the total GSM to confirm the balance suits their fabrication method.
The Hidden Cost of Untreated or Mis-Certified Duct Fabric
Installing ventilation duct in an underground mine or aviation fuel handling area with fabric that lacks the required fire-retardant or anti-static grade exposes the contractor to more than a failed inspection. If an incident triggers an investigation, the absence of a test certificate for the installed material becomes a central finding, regardless of whether the fabric contributed to the event. Beyond safety liability, replacing installed duct with compliant material means mobilising crews back to the face, re-rigging suspension systems, and absorbing the schedule impact on downstream trades. Even above ground, membrane structures fabricated from uncertified material can be ordered removed by local fire authorities after the structure is already erected, turning a completed project into a demolition and re-fabrication cost. [NEED_CITE: consequences of non-compliant ventilation duct fabric in mining incident investigations]
Why Technical Buyers Source This Fabric Through Jinxiang
Our 10-person R&D team develops sample rolls with your specified flame-retardant or anti-static treatment within days, so you can weld test joints and confirm duct profile behaviour before committing to a production run. Three full production lines and 36 sets of professional equipment give us the capacity to fulfil bulk duct fabric orders on the timeline mining and tunnelling projects demand, without sacrificing the batch-to-batch coating consistency that fabrication shops rely on. Dedicated quality inspection at every production stage — not just a final visual check — means GSM, coating adhesion, and treatment performance are verified in-process. We supply the full documentation package with each shipment: material specification sheet, test reports matched to the grade produced, ISO and CE certificates for cross-reference, and a pre-shipment inspection record. Custom duct diameter and length requirements are handled from the fabric stage, with width and treatment adjusted to minimise fabrication waste.
Documentation & Verification
- Material specification sheet stating GSM, base fabric type, and PVC coating method for every roll produced
- Test report for flame-retardant grade matched to the mining or aviation standard specified on your purchase order
- Anti-static surface resistance test result included where the project compliance framework requires it
- Pre-shipment inspection record confirming weight, dimensions, and treatment compliance before dispatch
- ISO and CE certificates supplied for cross-reference with your site safety management system
- Certificate of origin and customs documentation prepared to match destination country import requirements
Fabrication, Handling & Storage
- Heat-weld at temperatures suited to 450 g/m² PVC coating to achieve full seam adhesion without base fabric damage
- Store rolls upright on pallets in a dry, shaded area to prevent permanent creasing of the coated surface
- Allow cold-transported rolls to reach ambient temperature before unrolling to avoid coating crack at fold lines
- Use compatible PVC adhesive for field repairs on duct sections damaged during installation or relocation
- Plan duct section cut patterns around the roll width to minimise offcut waste and longitudinal weld seams
- Clean fabricated ducts with mild detergent only; avoid solvents that degrade the PVC coating surface
Requesting a Quotation for Certified Duct Fabric
Tell us the fire-retardant standard your project specification calls for — whether that is a mining regulation, an aviation authority requirement, or a local building code for membrane structures. Confirm the duct diameter, section length, and whether you need the fabric supplied as roll stock for your own fabrication shop or as pre-cut panels with welded seams. Let us know the colour and any anti-static surface resistance value required so that we can develop a sample roll with full documentation for your approval before production.
Frequently Asked Questions
Q: Which fire-retardant standard does the fabric meet for mining ventilation duct?
A: We produce PVC coated tarpaulin in flame-retardant grades aligned to the standards specified on your project purchase order. Confirm the exact standard your mine site or tunnelling contract requires — different jurisdictions reference different test methods — and we will match the formulation and supply the corresponding test report with your shipment.
Q: What is the anti-static surface resistance and which standard applies?
A: Anti-static grades are available with surface resistance values suited to underground mining and aviation ground support environments. The applicable standard depends on your site safety regulations. Provide the standard reference from your project specification and we will confirm the achievable resistance range and include the test result in your documentation package.
Q: How is GSM verified on arrival to match the quoted specification?
A: Every roll undergoes weight verification during our pre-shipment inspection, and the result is recorded on the inspection report included with your dispatch documentation. On arrival, you can cross-check by cutting a measured sample from the roll edge and weighing it against the stated 450 g/m² specification.
Q: Can custom duct diameter and length be produced with certified material?
A: Yes. We adjust the roll width and treatment formulation to suit your required duct diameter and section length, minimising fabrication waste. The same flame-retardant or anti-static certification documentation applies to custom-sized production runs as to standard roll stock.
Q: What documentation is supplied with each shipment for site compliance audit?
A: Each shipment includes a material specification sheet, test reports for the specific flame-retardant and anti-static grades produced, a pre-shipment inspection record, ISO and CE certificates, a roll packing list, and a certificate of origin. This package is designed to satisfy site compliance audits without requiring additional follow-up requests.
