Description
Three-Line Capacity — Every PVC coated tarpaulin roll leaves our facility with a pre-shipment inspection record verifying GSM, colour reference and coating weight before container loading.
Technical Specifications
| Parameter | Value |
|---|---|
| Product Type | PVC Tarpaulin Roll |
| Weight Range | 500 to 800 g/m² (confirm the grade required for your application) |
| Coating Material | PVC |
| Coating Method | High-frequency heat combined |
| Waterproof Rating | Anti-permeable ≥20KPa |
| Flame Retardant Grade | Flame retardant ≤10 seconds (confirm grade required for your market) |
| Low-Temperature Flexibility | Will not fracture at -30°C |
| Chemical Resistance | Acid, alkali and brine corrosion resistant |
| Water Absorption | Almost no water absorption; dries quickly after rain |
| Seaming Method | High-frequency heat combined |
| Standards | ISO, CE |
Application Suitability
| Application | Exposure & Requirement |
|---|---|
| Tarpaulin distribution and redistribution | Bulk roll consistency, colour uniformity across batches, container-optimised packing |
| Tent, awning and inflatable fabrication | Roll-to-roll coating uniformity, reliable heat-weld performance, custom width availability |
| Truck side curtain and transport covers | Constant flexing, road abrasion, weather exposure, high-frequency weld integrity |
| Outdoor equipment and construction covers | UV and rain exposure, mechanical handling, site chemical contact |
| Agricultural and aquaculture pond lining | Permanent water contact, soil chemistry, puncture risk during installation |
Why GSM Consistency Across Rolls Decides Whether Your Warehouse Ships or Returns
A quoted GSM that arrives lighter than stated is a claim waiting to happen — every roll we dispatch carries its own weight verification record.
Distributors who buy PVC coated tarpaulin roll stock by the container have seen the pattern: the first shipment matches the spec, the second feels lighter, and by the third the end-user is complaining about premature tearing. Weight variation between rolls in the same order often traces back to inconsistent coating application or base fabric substitution at the mill level. When your customers cut and weld the fabric into finished covers, even a small GSM shortfall compounds into lower tensile values and thinner coating at the weld zone [NEED_CITE: tensile and tear test methods for coated fabrics per ISO 1421].
Batch Colour Matching for Distributors Who Cannot Afford Visible Seams
When a fabricator installs two rolls side by side on a truck curtain or tent panel, any colour drift between them becomes immediately visible to the end customer. Our PVC coated tarpaulin roll production controls pigment dosing and coating temperature at every stage so that rolls from the same batch hold a consistent colour reference. For repeat orders, we retain the colour formula on file so that reorders match previous shipments without requiring a new sample approval cycle.
Roll-Length Planning and Container Loading Efficiency
Wholesale buyers need to know exactly how many rolls fit a 20-foot or 40-foot container and what the net weight will be for freight costing. Each PVC coated tarpaulin roll order ships with a detailed packing list showing roll count, individual roll weight and total container payload. Rolls are wound on cores that resist crushing during ocean transit, and the packing arrangement minimises dead space so that your freight cost per square metre stays predictable [NEED_CITE: container loading plans for coated fabric rolls by width and GSM].
Reading the Spec Sheet Beyond the GSM Number
Weight in grammes per square metre tells you how much material is present, but it does not tell you how that material is distributed between base fabric and coating. A roll at 650 GSM with a heavy coating and a light base fabric will tear more easily than a 650 GSM roll with a denser woven scrim and a thinner coat. The high-frequency heat-combined coating method used here bonds the PVC layer into the base fabric weave rather than sitting on top of it, which improves peel strength and makes heat-welded seams less likely to delaminate under flex load. Anti-permeable performance at ≥20KPa means water cannot penetrate the coating under hydrostatic pressure, a critical factor for pond liners and outdoor covers that face standing water. Low-temperature flexibility down to -30°C ensures the PVC coating remains pliable in cold-chain logistics and winter construction environments rather than cracking when folded or handled below freezing. Chemical resistance to acid, alkali and brine makes these rolls suitable for agricultural settings where fertiliser runoff or saltwater contact would degrade uncoated fabrics.
The Hidden Cost of Specifying on Price Per Roll Alone
A lower-priced roll that arrives with inconsistent coating thickness will fail at the weld line before the fabric body does, because the heat seal depends on uniform PVC presence across the seam zone. Distributors who have absorbed return claims know that one container of underperforming stock can erase the margin saved on the initial purchase [NEED_CITE: welded seam failure analysis in PVC coated fabrics]. Colour variation between rolls forces fabricators to sort and match manually on the shop floor, adding labour cost and delaying shipment to their own customers. Rolls that arrive with a GSM below the quoted value also yield fewer square metres per kilogramme than expected, meaning your landed cost per usable area is higher than the invoice suggests.
Why Wholesale Buyers Place Repeat Roll Orders Here
Three full production lines running in parallel mean that bulk PVC coated tarpaulin roll orders do not queue behind small custom jobs — your container ships on schedule. A 10-person R&D team develops custom width and colour samples within days rather than weeks, so you can confirm the specification before committing to a full container. Dedicated QA/QC at every production stage, with 100% inspection before shipment, catches GSM drift and colour deviation before rolls reach the packing area. Thirty years of focused coated-fabric production provides the process control that keeps batch-to-batch consistency tight across large orders. Full documentation packages travel with every shipment so your customs broker and your customers receive the verification they need without chasing paperwork after delivery.
Documentation & Verification
- Material specification sheet stating GSM, base fabric and coating method per roll batch
- Pre-shipment inspection record confirming weight and colour reference before dispatch
- Roll packing list with roll count, net weight and container loading plan
- Certificate of origin and customs documentation for international clearance
- Test reports for flame retardant grades where applicable to your market requirements
Fabrication, Handling & Storage
- High-frequency heat welding suits the PVC coating method; set temperature and dwell time to the roll GSM
- Store rolls upright on cores to prevent flat-spot creases that show through after unrolling
- Unroll in temperatures above -30°C to avoid coating stiffness that causes micro-cracks at fold lines
- Clean with mild detergent only; acid and alkali resistance does not extend to aggressive solvent cleaners
- Plan cutting layouts to minimise off-cuts, especially on wider stock widths where waste scales with each mistake
What to Include With Your Roll-Stock Enquiry
Tell us the target GSM, the stock widths your cutting tables accept and the annual volume you plan to move so we can match you to the right grade and quote container-level pricing tiers. If your market requires a specific flame retardant or anti-UV grade, state the standard you need to meet and we will confirm which treatment options carry the corresponding test report. For first-time orders, request a sample roll to validate colour, weld behaviour and GSM on your own equipment before committing to bulk volume.
Frequently Asked Questions
Q: How is GSM verified per roll and what documentation accompanies shipment?
A: Each PVC coated tarpaulin roll is weighed and measured before packing. The pre-shipment inspection record lists the verified GSM, colour reference and coating weight alongside the material specification sheet. These documents travel with the container so your receiving team can cross-check on arrival.
Q: What is the batch-to-batch colour consistency process across rolls?
A: Pigment formulation and coating temperature are locked at batch start and monitored through every production run. Rolls within a single order are drawn from the same batch. For repeat orders we reference the stored colour formula to maintain consistency across shipments.
Q: What stock widths are available and what are the MOQs for custom widths?
A: Standard widths cover common roll-stock requirements for distributors and fabricators. Custom widths and colours are available with MOQs that depend on the specific grade and treatment level. Provide your required width and annual volume for a precise minimum and lead time.
Q: How are rolls packed for container loading and what is the loading plan?
A: Rolls are wound on reinforced cores and packed vertically or horizontally depending on container size. A detailed packing list accompanies every shipment showing roll count, net weight per roll and total container payload so your freight forwarder can plan without guesswork.
Q: What lead times apply to bulk roll orders?
A: Production scheduling depends on current line capacity and whether the order requires a custom width or colour run. Standard stock-grade rolls ship faster than custom specifications. Confirm your required delivery window at enquiry stage so we can allocate line time accordingly.
