Description
Verified Roll Weight — every roll ships with a pre-shipment inspection record confirming the stated 650 Gsm, so wholesale buyers never face a shortfall between quotation and delivery.
Technical Specifications
| Parameter | Value |
|---|---|
| Product Type | PVC Coated Tarpaulin Roll |
| Weight | 650 Gsm |
| Coating Material | PVC |
| Base Fabric | Polyester |
| Waterproof Rating | Waterproof (grade not stated in source) |
| Flame Retardant Grade | Fire retardant (grade not stated in source) — confirm the grade required for your market |
| UV Treatment | UV resistance (test basis not stated in source) — request test report for your specification |
| Anti-Mildew | Antibacterial and mildew proof |
| Chemical Resistance | Oil and stain resistance, acid and alkali resistance |
| Temperature Range | High temperature and cold resistance (specific values not stated in source) |
| Surface Finish | Self-cleaning surface |
| Welding Options | HF welding, Hot Air welding, Sewing |
| Flexibility | Highly flexible, resistant to cracking |
| Assembly State | Roll |
Application Suitability
| Application | Exposure & Requirement |
|---|---|
| Tent and awning fabrication | Repeated assembly and teardown, outdoor weather exposure, UV and mildew resistance |
| Tensile and membrane structures | Constant tension load, wind flex, long-term UV and weather exposure |
| Portable storage structures | Rain ingress prevention, abrasion from stored goods, structural frame contact |
| Airport hangar covers | Fuel and hydraulic fluid contact, wide-span wind loading, fire safety compliance |
| Shade systems and shadings | Direct solar radiation, thermal expansion cycling, colour stability |
| Stadium architectural structures | Large unsupported spans, sustained wind uplift, public safety fire classification |
Why the Stated GSM Does Not Always Match What Arrives on the Dock
Roll-to-roll weight verification is the only defence against short-weight fabric entering your warehouse.
When buying PVC tarpaulin roll stock in container-load volumes, the weight printed on the spec sheet is what you pay for — but it is not always what you receive. Distributors regularly discover that the rolls arriving on the dock feel lighter, measure thinner, and tear more easily than the samples approved weeks earlier [NEED_CITE: documented GSM variance in imported coated fabric shipments]. A PVC coated tarpaulin roll wholesale order that arrives underweight does not just cost more per usable square metre; it forces fabricators to reject batches mid-production, delays customer deliveries, and damages reputations built over years.
Batch Consistency Across Every Roll in the Container
Maintaining colour and finish uniformity across a wholesale PVC coated tarpaulin roll wholesale order requires dedicated QA checkpoints at the coating head, the curing oven, and the winding station. When one roll in a batch drifts in shade or gloss level, the difference becomes visible the moment two panels are installed side by side on a tensile structure or tent roof. The self-cleaning surface treatment on this 650 Gsm fabric must be applied at a controlled rate so that dirt release performance remains even from the first roll to the last.
Welding Behaviour and Downstream Fabrication
Fabricators who buy by the roll need to know the material will respond predictably under HF, hot air, and sewing equipment. Inconsistent PVC coating thickness causes weld lines to fail at lower peel loads than the body of the fabric, and seam failure in a tensioned structure is a safety issue, not just a cosmetic one [NEED_CITE: tensile and tear test methods for coated fabrics per ISO 1421]. This 650 Gsm PVC coated tarpaulin roll wholesale stock supports all three joining methods, giving tent manufacturers and membrane structure fabricators flexibility in their production lines.
Reading the Specification Sheet Beyond the GSM Number
A 650 Gsm weight tells you the combined mass of base fabric and PVC coating per square metre, but it does not describe how that weight is distributed. A heavier coating with a lighter base yarn may feel thick but tear easily under point load, while a denser polyester base with a thinner PVC film delivers higher tensile strength and better weld adhesion. The antibacterial and mildew proof treatment matters for tent fabric stored damp between seasons, and the acid and alkali resistance protects portable storage covers used in agricultural and industrial environments where chemical splash is routine [NEED_CITE: chemical resistance testing standards for PVC coated textiles]. The self-cleaning surface reduces maintenance cost for shade systems and stadium structures installed at heights where washing is difficult.
What Happens When Colour Drifts Between Rolls
A shade system or tensile structure installed with panels cut from rolls that differ in colour or gloss level will show visible banding in direct sunlight. The cost of replacing a single mismatched panel on a stadium canopy or airport hangar extends far beyond the fabric itself — scaffolding, crane hire, and project delay penalties follow. This is why roll-to-roll colour consistency is checked at multiple production stages rather than only at final inspection.
Sourcing Confidence for Wholesale Buyers
Dedicated QA at every production stage ensures that 650 Gsm weight, coating adhesion, and surface finish are measured on the production line, not only at the packing bench. Three full production lines and 36 sets of professional equipment support the volume that PVC coated tarpaulin roll wholesale orders demand without sacrificing lead time reliability. A 10-person R&D team develops custom width, colour, and print samples within days, shortening the approval cycle before bulk production begins. Pre-shipment inspection covers every roll, and the documentation package — including material specification sheet, packing list, and certificate of origin — is prepared before the container leaves the factory gate [NEED_CITE: DIN 4102 fire classification for building materials].
Documentation & Verification
- Material specification sheet listing 650 Gsm weight, base fabric type, and PVC coating details per batch
- Pre-shipment inspection record confirming measured GSM on every roll before container loading
- Roll packing list with individual roll weight, count, and container loading plan for logistics scheduling
- Certificate of origin and customs documentation prepared for international wholesale shipments
- Fire retardant and UV test reports supplied where applicable to the grade specified at order
Fabrication, Handling & Storage
- HF and hot air welding parameters should be tested on 650 Gsm sample offcuts before full production runs
- Sewing needle size must match 650 Gsm thickness to prevent skipped stitches and thread breakage at seam lines
- Store rolls upright on pallets to prevent permanent creasing of the self-cleaning PVC surface
- Avoid storing rolls in direct sunlight before fabrication to protect UV treatment integrity
- Use mild, non-solvent cleaners on the self-cleaning surface to maintain dirt release performance over time
- Allow cold-stored rolls to reach workshop temperature before unrolling to prevent cracking of the PVC coating
What to Include in Your Enquiry
Provide the target width, roll length, and annual volume so that container loading and pricing tiers can be calculated accurately. Specify the fire retardant grade your market requires, as building codes vary between regions and the correct test report must accompany the shipment. Indicate whether you need standard stock colours or custom Pantone-matched shades, and confirm if finished cut panels or full roll stock is the delivery format.
Frequently Asked Questions
Q: How is the 650 Gsm weight verified on each roll before shipment?
A: Every roll is weighed and measured during the 100% pre-shipment inspection. The measured GSM value is recorded on the inspection report included in your documentation package, so you can cross-check delivery against the quoted specification without waiting for third-party lab results.
Q: How do you control colour consistency across multiple rolls in the same bulk order?
A: Colour is checked at the coating stage and again at winding using reference standards. Rolls from the same batch are grouped together for dispatch, and any roll that falls outside the agreed tolerance is pulled from the order before packing.
Q: What roll widths and lengths are available, and what is the MOQ for custom widths?
A: Standard stock widths are held for common PVC coated tarpaulin roll wholesale orders. Custom widths and lengths are available with minimum quantities that vary by specification. Share your required dimensions and annual volume so the production team can confirm feasibility and lead time.
Q: How is roll stock packed and loaded for container shipping to prevent transit damage?
A: Each roll is wrapped and secured on pallets to prevent shifting during ocean freight. A container loading plan listing roll count, weight distribution, and stacking arrangement is confirmed with the buyer before dispatch to maximise space and protect the self-cleaning surface from creasing.
Q: What documentation is included with each wholesale shipment for customs and quality traceability?
A: Every shipment includes a material specification sheet, pre-shipment inspection record, roll packing list, certificate of origin, and any applicable test reports for fire retardant or UV grades. These documents support customs clearance and provide traceability back to the production batch.
