Description
Dedicated QA Per Roll — weight and shade verified across every roll before dispatch, with pre-shipment inspection records covering the full batch.
Technical Specifications
| Parameter | Value |
|---|---|
| Product Type | PVC Coated Tarpaulin |
| Weight (GSM) | 250gsm–1500gsm (confirm grade required) |
| Base Fabric Denier | 200DX300D / 500DX500D / 840DX840D / 1000DX1000D |
| Coating Material | PVC |
| Surface Finish | Glossy or matte |
| Colour Options | Blue, yellow, black, green, white, custom matching |
| UV Treatment | Customised (confirm test basis for your market) |
| Flame Retardant | Available in treated grades (confirm grade required) |
| Anti-Fungal | Treated |
| Waterproof | Fully waterproof coated construction |
| Temperature Range | -15°C to 70°C |
| OEM/ODM | Accepted |
| Standards | ISO, CE (company level) |
Application Suitability
| Application | Exposure & Requirement |
|---|---|
| Tarpaulin distributor cut-to-size stock | High turnover across multiple GSM tiers, consistent shade and weight roll-to-roll for retail packaging |
| Tent, awning and inflatable manufacture | Continuous roll feed through automated welding lines, matte or glossy surface for print adhesion |
| Agricultural and aquaculture pond liner | Permanent water contact, soil chemistry exposure, puncture risk from substrate |
| Transport fleet side curtain fabric | Constant flexing at load points, road debris abrasion, prolonged UV exposure |
| Construction site equipment covers | Outdoor weathering, wind-driven rain, mechanical handling damage |
Why Roll-to-Roll Weight Consistency Matters More Than Quoted GSM
A quoted 650 GSM figure means little if the rolls arriving at your warehouse average 620 GSM with no record of deviation.
Wholesale PVC coated tarpaulin roll stock often carries a GSM figure on the commercial invoice that is never rechecked after coating. Distributors who fabricate cut-to-size panels from underweight rolls end up fielding warranty claims from their own customers when the fabric tears earlier than expected. The gap between stated and actual weight accumulates across container loads — a shipment that should yield a certain number of saleable panels falls short, eroding margin on every roll. [NEED_CITE: tensile and tear test methods for coated fabrics per ISO 1421]
How Batch Weight Is Controlled During Production
Coating weight depends on knife gap setting, paste viscosity and line speed — variables that drift as ambient temperature shifts through a production shift. Our in-process QA checks GSM at set intervals along each PVC coated tarpaulin roll before it reaches the winding station. Any roll falling outside tolerance is flagged and separated before packing. This prevents lightweight rolls from mixing into a container destined for a distributor who has committed specific grades to specific customers.
Colour Matching Across the Full Order Quantity
Shade variation is a frequent complaint when multiple rolls from one order are installed or fabricated side by side. Pigment dosing, mixing temperature and coating thickness all influence the final colour read. We produce your PVC coated tarpaulin roll stock within a single batch run wherever volume allows, keeping pigment formulation constant from first roll to last. [NEED_CITE: colour fastness and shade tolerance standards for coated technical textiles]
Reading Denier and GSM Together
Base fabric denier sets the structural skeleton: a 1000DX1000D weave delivers substantially higher tear resistance than a 200DX300D construction, regardless of how much PVC is applied on top. GSM alone tells you the total mass per square metre — coating plus base — but not how that mass is distributed. A heavier coating on a lighter base fabric may reach the target weight yet lack the puncture resistance a pond liner demands. Matching denier to end-use stress is the step most wholesale specifications skip.
The Hidden Cost of Choosing the Wrong Grade
A distributor stocking a single mid-range GSM for all customer segments will inevitably over-supply light-duty buyers and under-supply heavy-duty ones. The over-supplied accounts pay for weight they do not need; the under-supplied accounts return with failed seams and torn panels. Flame retardant grades add another layer of risk — fabric installed in a mining or construction ventilation application without the required certification will be rejected at site inspection, forcing a complete replacement. [NEED_CITE: fire classification requirements for temporary structures and ventilation ducting]
Weld seam failure is another consequence of mis-specified material. The coating formulation and surface finish directly affect hot-air and wedge weld parameters. A matte surface may require different temperature settings than glossy stock, and running the same weld settings across both finishes leads to delamination at the seam while the fabric body remains intact.
Why Wholesale Buyers Source PVC Coated Tarpaulin Roll Stock Here
Three full production lines with 36 sets of professional equipment provide the capacity to fill multi-container orders within a single production window, keeping the entire shipment in one batch.
A 10-person R&D team develops colour matches and surface finish samples within days, allowing distributors to confirm shade and hand-feel before committing to a full container.
Dedicated QA/QC operates at every production stage — coating weight, colour, surface quality — with 100% inspection before any roll is packed for dispatch.
Nearly 30 years of process control over PVC coating weight and adhesion means the parameters for each denier construction are established, not guessed.
Custom width and roll length options are handled in standard production runs, so container loading plans can be optimised for roll count and weight without forcing non-standard lead times.
Documentation & Verification
- Material specification sheet stating GSM, denier and coating reference for every roll
- Pre-shipment inspection record with weight verification against stated GSM
- Roll packing list showing container loading by roll count and gross weight
- Colour reference sheet confirming batch shade against approved standard
- Test reports for UV and flame retardant grades where applicable
- Certificate of origin and customs support documentation
Fabrication, Handling & Storage
- Hot-air weld temperature must be adjusted for glossy versus matte surface finish to prevent coating delamination
- Rolls stored vertically on pallets to avoid flat-spotting and permanent crease marks across the coating
- Allow cold-stored rolls to reach ambient temperature before unrolling to prevent PVC cracking below -15°C
- Matte finish rolls accept solvent-based ink printing more readily than glossy stock for branded tarpaulin panels
- Cut-to-size layout should account for selvedge trim to maximise panel yield from each PVC coated tarpaulin roll
What to Include in Your Roll Stock Enquiry
Specify the GSM grades and denier constructions your market requires, along with target annual volume and container frequency. Confirm whether you need standard stock colours or custom Pantone matching for private-label packaging. Let us know if your downstream fabrication uses hot-air or wedge welding so we can recommend the appropriate surface finish. Request a sample roll if you need to validate weld parameters or colour approval before full production.
Frequently Asked Questions
Q: How is GSM verified on every roll before it ships?
A: In-process QA checks coating weight at set intervals along each roll during production. Any roll outside tolerance is separated before packing. A pre-shipment inspection record accompanies the consignment, showing measured weight per roll against the stated GSM.
Q: Can I mix different GSM grades in a single container?
A: Yes. We build a roll packing list that groups grades by SKU and position within the container for efficient unloading. Each grade retains its own material specification sheet and inspection record so your warehouse team can sort on arrival.
Q: What is the minimum order per colour and width?
A: Minimums depend on the denier construction and whether the colour is a stock option or a custom match. Custom Pantone shades require a longer run to justify pigment batching. Contact us with your target width and colour list for a precise minimum and lead time.
Q: How do you maintain colour consistency across repeat orders?
A: We retain the pigment formulation from the original batch and reference the approved colour standard on every repeat production. Each new batch is compared against the retained standard before dispatch to catch any drift early.
Q: What documentation arrives with each container?
A: Each shipment includes a material specification sheet per roll, a pre-shipment inspection record, a roll packing list with container loading details, test reports for applicable treatments, and a certificate of origin with full customs support.
