PVC Coated Tarpaulin Roll, 500GSM, ≥20KPa Waterproof, Tricot Base Fabric — knife coated for consistent adhesion across the full roll width. Coating weight and base fabric weave jointly determine tensile and tear performance; specify GSM with application load in mind rather than assuming heavier is always better. Weld behaviour at flex points is validated before dispatch to prevent seam failure under moving loads.
- 100% pre-shipment inspection on every roll
- 10-person R&D team for custom width, colour and treatment
- Sample development within days for custom specs
Description
Verified Coating Weight — every roll of PVC Coated Tarpaulin undergoes stage-by-stage QA and 100% pre-shipment inspection so the GSM on the quotation is the GSM on the scale at arrival.
Technical Specifications
| Parameter | Value |
|---|---|
| Product Type | PVC Coated Tarpaulin |
| Weight | 500GSM |
| Base Fabric | Tricot / Plain Woven Industrial Fabric |
| Coating Material | PVC |
| Waterproof Rating | Anti-permeable ≥20KPa |
| Flame Retardant | ≤10 seconds (grade not stated — confirm M2 / B1 / NFPA 701 for your market) |
| Low-Temperature Flexibility | Will not fracture at -30°C |
| Corrosion Resistance | Acid, alkali and brine resistant |
| Anti-Mildew | Mildew proofing properties stated |
Application Suitability
| Application | Exposure & Requirement |
|---|---|
| Truck and trailer cargo covers | Constant flexing at load points, road debris abrasion, weather and UV exposure during transit |
| Pool and reservoir covers | Permanent water contact, chemical treatment exposure, tension from span loading |
| Heavy-duty equipment covers | Outdoor weather exposure, dust and moisture ingress, repeated handling and folding |
| Open-air weather protection | Rain, wind-driven moisture, temperature cycling across seasons |
Why Quoted GSM Does Not Guarantee Roll-to-Roll Consistency
A stated GSM means nothing unless every roll is weighed and recorded before it leaves the factory.
Buyers frequently open a container to find the PVC coated tarpaulin manufacturer custom order feels lighter than expected. The quotation says 500GSM, but the coating weight drifted during production — thinner in the middle of the roll, heavier at the edges. Without a documented inspection record tied to each roll number, there is no way to prove what was shipped versus what was ordered [NEED_CITE: ISO 1421 test methods for tensile and tear properties of coated fabrics]. This PVC coated tarpaulin roll ships with a pre-shipment inspection record that logs GSM per roll, so any variance is caught before dispatch, not discovered on the warehouse floor.
Coating Adhesion and Base Fabric Construction
The tricot plain woven base fabric provides a stable substrate for PVC coating, distributing tensile load across both warp and weft directions. A PVC coated tarpaulin manufacturer custom specification requires control over how the coating penetrates the weave — too little penetration and the coating delaminates under flex stress, too much and the fabric loses drape and flexibility. The 500GSM construction balances coating thickness against base fabric weight to maintain handling characteristics for fabrication into covers and curtains.
Cold-Climate Performance Without Brittleness
Low-temperature flexibility rated to -30°C means the PVC compound retains its plasticiser balance well below freezing. In cold-climate transport or outdoor storage, standard PVC formulations stiffen and crack when folded or impacted. This formulation resists fracture at temperatures where competing materials become brittle, making it suited to winter logistics and high-altitude site conditions [NEED_CITE: low-temperature impact test standards for flexible PVC].
Reading the Specification Sheet Beyond the Headline Number
The 500GSM weight combines base fabric mass and PVC coating mass — neither figure alone determines performance. A heavier base fabric with a thinner coating may tear differently than a lighter base with a thicker coating, even at identical total GSM. The anti-permeable ≥20KPa waterproof rating confirms coating integrity under hydrostatic pressure, relevant for pool covers and weather-exposed applications. Corrosion resistance to acid, alkali and brine indicates suitability for marine environments and agricultural chemical exposure, not just standard rain protection. Mildew proofing prevents biological degradation when rolls are stored in humid conditions before fabrication.
The Hidden Cost of Unverified Flame Retardant Claims
A data sheet that states flame retardant ≤10 seconds without naming a grade creates compliance risk at the point of installation. Site inspectors in Europe may demand DIN 4102 B1 classification, while North American projects reference NFPA 701. Supplying PVC coated tarpaulin roll stock with an unspecified retardant grade invites rejection, rework, and project delay — costs that far exceed the price difference of specifying the correct standard at the inquiry stage [NEED_CITE: DIN 4102 fire classification for building materials and textile membranes]. Always request the test report tied to your target market before approving bulk production.
Why Procurement Teams Source This PVC Coated Tarpaulin Roll Here
Three full production lines and 36 sets of professional equipment support bulk roll output with controlled lead times. The 10-person R&D team handles custom width, colour matching, and treatment specification — samples developed within days rather than weeks. A dedicated QA/QC process runs at every production stage, not just at final packing, so coating weight and colour consistency are monitored continuously. Full documentation including material specification sheets, test reports, and certificates of origin ships with every dispatch. Roll-to-roll colour control ensures that when multiple rolls from the same order are fabricated side by side, no visible shade variation appears in the finished installation.
Documentation & Verification
- Material specification sheet stating exact 500GSM, tricot base fabric construction, and PVC coating weight per roll
- Flame retardant test report available — specify M2, B1, or NFPA 701 at inquiry for your target market
- Pre-shipment inspection record with roll-by-roll GSM verification and colour consistency check
- ISO and CE certificates included with dispatch documentation package
- Certificate of origin and customs support documentation for international shipment clearance
- Roll packing list with individual roll numbers cross-referenced to inspection data
Fabrication, Handling & Storage
- Heat welding parameters should match the 500GSM PVC coating thickness — test weld settings on sample offcuts before full fabrication
- Reinforced hems and eyelet zones require additional backing material to distribute tie-down loads across the tricot base
- Store rolls upright on pallets in shaded, ventilated areas to prevent flat-spot deformation of the PVC coating surface
- Allow cold-stored rolls to acclimatise above 10°C before unrolling to avoid coating stiffness and crease damage
- Clean with mild detergent only — solvent-based cleaners may degrade the PVC plasticiser balance and low-temperature flexibility
Specify What You Need Before Inquiry
Provide the end-use application and exposure conditions so the correct treatment package can be recommended — flame retardant grade, anti-UV level, and surface finish all vary by market and installation environment. Confirm required roll width, colour reference, and whether printed branding is needed on the PVC coated tarpaulin roll surface. State your annual volume and whether you require finished cut sizes or bulk roll stock for in-house fabrication.
Frequently Asked Questions
Q: How is GSM verified on each roll before it ships?
A: Every roll undergoes in-process QA during coating and a final weight check at pre-shipment inspection. The inspection record logs actual GSM per roll number, which is compared against the quoted specification. Any roll outside tolerance is held before dispatch. Buyers can request the inspection record to verify weight on arrival.
Q: Which flame retardant standards are available for this material?
A: The material is produced with flame retardant treatment achieving ≤10 seconds, but the specific grade depends on your market requirement. Request M2, B1, NFPA 701, or DIN 4102 classification at inquiry stage. A test report for the chosen standard is supplied with the shipment documentation.
Q: What are the minimums and lead times for custom width or colour?
A: Custom widths, colours, and printed branding are handled by the R&D team with samples developed within days for approval. Minimum order quantities and lead times depend on the specification complexity and are confirmed at quotation. Stock widths and standard colours typically carry lower minimums and faster dispatch.
Q: How is colour consistency controlled across multiple rolls in one order?
A: Colour matching is monitored at the coating stage with reference to the approved sample. The pre-shipment inspection includes a visual check across all rolls in the order for shade variation. Rolls that do not match the reference are flagged before packing, ensuring consistent appearance when fabricated side by side.
Q: What documentation is included with each container shipment?
A: Each dispatch includes a material specification sheet, pre-shipment inspection record, roll packing list, certificate of origin, and applicable ISO and CE certificates. Flame retardant or anti-UV test reports are included where the specification requires them. All documents reference individual roll numbers for traceability.








