Deep Process Control Over Coating Weight — every roll of PVC laminated tarpaulin is inspected stage by stage against the stated GSM before leaving our Jinan facility.
Technical Specifications
| Parameter | Value |
|---|---|
| Product Type | PVC Coated Tarpaulin Roll |
| Base Fabric | High-strength polyester mesh fabric |
| Coating Material | PVC |
| Coating Technology | Laminated & Hot-melt Coating |
| Yarn Type | 100% High Tenacity Polyester Yarns |
| Weight (GSM) | 350gsm / 420gsm / 500gsm / 550gsm / 600gsm / 750gsm |
| Total Thickness | 0.32mm / 0.35mm / 0.4mm / 0.45mm / 0.5mm / 0.65mm |
| Roll Width | 2m / 2.1m |
| Roll Length | 75m (2m width) / 50m (2.1m width) |
| Color Options | Blue / Red / Yellow / Light Blue / Grey (Customized) |
| Surface Finish | Glossy / Matte |
| Waterproof | Yes |
| Cold Crack Resistance | Yes |
| Anti-Mildew | Yes |
| Anti-Static | Treatment available (standard not stated in source) |
| UV Treatment | Sunproof treatment available (test basis not stated in source) |
| Flame Retardant | Available as special treatment (grade not stated in source) |
| Key Features | Cold crack resistant, anti-mildew, waterproof, customizable color and finish |
Application Suitability
| Application | Exposure & Requirement |
|---|---|
| Mining ventilation ducts | Continuous airflow, underground dust, potential ignition sources requiring fire-retardant and anti-static compliance |
| Tunnelling duct fabrication | Confined space, high humidity, rock dust abrasion, mandatory site safety certifications |
| Aviation ground support ducts | Fuel-rich environment, strict anti-static requirements, frequent deployment and retraction |
| Membrane and inflatable structures | Wind load, UV exposure, structural tension requiring consistent tensile strength across the panel |
| Temporary construction enclosures | Weather exposure, scaffolding abrasion, site safety flame-retardant requirements |
| Industrial ventilation systems | Chemical fumes, temperature variation, long-term flex fatigue at duct joints |
What "Fire-Retardant" Means Without a Documented Grade Behind It
A fire-retardant claim without a test certificate is a compliance liability, not a safety feature.
PVC coated tarpaulin roll is widely specified for ventilation ductwork and temporary enclosures in environments where ignition risk is real. When a supplier states the fabric is flame retardant but cannot produce a test report referencing a recognized standard — whether M2, B1 per DIN 4102, or NFPA 701 — the buyer carries the risk. Site inspectors reject undocumented material, and the cost of replacing installed duct or enclosure fabric mid-project far exceeds the initial material savings [NEED_CITE: DIN 4102 fire classification for building materials]. Our PVC laminated tarpaulin is available in flame-retardant grades — confirm the grade required for your target market and request the corresponding test report before placing the order.
Laminated and Hot-Melt Coating for Duct Fabrication
The adhesion between the PVC coating and the polyester mesh base fabric determines how well the material holds together during high-frequency welding and long-term flexing in duct applications. Laminated and hot-melt coating technology bonds the coating layers to the high-tenacity polyester mesh under controlled heat and pressure, producing a PVC coated tarpaulin fabric roll with reliable peel strength at the weld line. This matters when fabricators cut, weld and install ventilation ducts that must maintain seam integrity under positive and negative air pressure.
Anti-Static Treatment for Underground and Aviation Environments
In mining and tunnelling, ventilation duct fabric must dissipate static charge to prevent ignition of combustible dust or gas. Anti-static treatment is available on this PVC laminated tarpaulin — the specific surface resistance value and test standard should be confirmed at inquiry stage to match the site compliance requirement. Aviation ground support applications carry similar static dissipation mandates. Requesting the test documentation up front ensures the material passes audit without project delays [NEED_CITE: anti-static testing standards for ventilation ducts in mining].
Reading GSM and Thickness in Relation to Structural Demand
The weight options — 350gsm through 750gsm — correspond to thickness values from 0.32mm to 0.65mm, and each grade serves a different structural role. A lighter grade may be adequate for temporary enclosure panels under low wind load, while heavier grades provide the tensile and tear reserve needed for inflatable membrane structures or high-pressure ventilation ducts. Coating weight alone does not determine strength; the base fabric denier and weave density contribute the mechanical backbone. The laminated construction ensures the coating and base fabric act as a composite, so peel resistance at seams remains predictable during hot-air or wedge welding. Specifying the correct GSM grade for the mechanical load and welding method avoids both over-engineering and premature field failure.
The Cost of Undocumented Material Claims
When flame-retardant or anti-static treatments are claimed without supporting test reports, the failure does not appear at the warehouse — it appears at the job site inspection. Ductwork installed underground may be pulled out and replaced if the fire safety auditor cannot verify the fabric grade. Similarly, membrane structures for events or construction may be rejected by the venue or local authority if the installed PVC coated tarpaulin fabric roll lacks documentation matching the building code reference [NEED_CITE: tensile and tear test methods for coated fabrics per ISO 1421]. Colour variation between rolls can also cause rejection when panels are installed side by side on visible structures. These are not material defects — they are documentation and consistency gaps that are preventable with the right pre-order verification process.
Why Source This PVC Laminated Tarpaulin Here
Three full production lines and 36 sets of professional equipment in our 9,180 m² facility support bulk roll output with controlled lead times for duct and membrane projects. A 10-person R&D team handles material selection, custom width and treatment specification, developing samples within days so you can approve colour, hand feel and weldability before committing to production volume. Dedicated QA/QC runs at every production stage with 100% pre-shipment inspection, so GSM and coating weight are verified roll by roll rather than sampled at the end. Full customization in width, length, colour and treatment options is supported without the extended minimums that delay specialist projects. ISO and CE certified production underpins every roll dispatched for international industrial ventilation and specialist structure applications.
Documentation & Verification
- Material specification sheet stating exact GSM, base fabric denier and coating method per roll
- Test report for flame-retardant or anti-static grade matching your site compliance requirement
- Pre-shipment inspection record with roll-by-roll weight verification before container loading
- Roll packing list detailing width, length, colour and net weight for customs clearance
- Certificate of origin and full customs documentation for international project delivery
Fabrication, Handling & Storage
- Set hot-air weld temperature to match the 0.32mm–0.65mm thickness range for clean peel-free seams
- Allow rolls to acclimatize before unrolling in cold conditions to protect the cold-crack resistant coating
- Store rolls upright on pallets to prevent flat-spotting on the laminated PVC surface
- Use compatible PVC adhesive for field repairs on gloss or matte finish panels
- Plan cut patterns around the 2m or 2.1m roll width to minimize transverse weld seams in duct runs
Before You Request a Quote
Provide the ventilation duct diameter, air pressure rating and any fire-retardant or anti-static grade required by your site safety standard so we can recommend the correct GSM grade and treatment. Confirm whether you need rolls in stock width and length or custom dimensions, and advise the annual volume to support consistent batch pricing. If colour matching to existing structure panels is required, share the RAL or Pantone reference so we can develop a sample roll for your approval before production.
Frequently Asked Questions
Q: Which flame-retardant grades are available for mining and tunnelling duct applications?
A: Flame-retardant treatment is available as a special option on this PVC laminated tarpaulin. The specific grade — whether B1 per DIN 4102, M2, or NFPA 701 — must be confirmed against your site safety standard. Request the corresponding test report during the inquiry stage so compliance documentation is ready before material arrives on site.
Q: How is anti-static performance verified for underground ventilation use?
A: Anti-static treatment can be applied during production to reduce surface resistivity. The test method and target surface resistance value depend on the mining authority or aviation standard governing your project. We provide the treatment and supporting documentation — confirm the required standard at inquiry so the correct formulation is specified.
Q: How do you ensure GSM matches the quoted specification on every roll?
A: QA/QC checks run at every production stage with 100% pre-shipment inspection. Each roll is weighed and measured against the stated GSM before packing. A pre-shipment inspection record accompanies every dispatch so you can verify roll-by-roll weight data upon receipt at your warehouse or project site.
Q: What welding methods suit this laminated PVC fabric for duct construction?
A: Hot-air welding and high-frequency welding are both compatible with the laminated and hot-melt coated construction. Weld temperature and speed should be matched to the selected thickness grade from 0.32mm to 0.65mm. We recommend producing test welds on sample material to dial in machine settings before cutting full production panels.
Q: Can custom width and colour be supplied for membrane structure projects?
A: Custom width, length and colour are available with sample development completed within days for your approval. The standard widths are 2m and 2.1m in roll lengths of 75m and 50m respectively. Share your required dimensions and colour reference at inquiry so we can confirm lead time and minimum order for the custom specification.
