Description
Roll-to-Roll Consistency — every PVC coated tarpaulin roll leaving the line is weighed, recorded, and matched against the quoted GSM before it reaches the container.
Technical Specifications
| Parameter | Value |
|---|---|
| Product Type | PVC Coated Tarpaulin Roll |
| Material | 100% high toughness polyester yarn with PVC coating |
| Coating Technology | Lamination technology and hot melt coating technology |
| Weight Range | 400-500 GSM (medium), 700-1000 GSM (heavy-duty), 1100-1500 GSM (super heavy) |
| Base Fabric Denier | 500D (medium), 1000D (heavy-duty), 500D-2000D (super heavy) |
| Total Thickness | 0.35-0.45 mm (medium), 0.70-1.0 mm (heavy-duty), 1.2-1.5 mm (super heavy) |
| Tensile Strength | Longitude 1500-2000 / Latitude 1200-1800 N/5cm (medium); Meridian 2000-2500 / Latitude 1800-2200 N/5cm (heavy-duty); Warp 2500-3000 / Weft 2200-2800 N/5cm (super heavy) |
| Flame Retardant | B1 grade (test standard reference not stated in source — confirm the standard required for your market) |
| Anti-Static | Anti-static treatment available (surface resistance standard not stated — verify against site requirements) |
| UV Treatment | UV treatment available (test basis not stated — request report for your climate zone) |
| Cold Resistance | Cold resistant cracking properties |
| Mildew Resistance | Mold proof and mildew proof |
| Waterproof | Fully waterproof coated construction |
| Color Options | Blue, Blue/Orange, Green, Grey, Black, Clear, Grey/Green, Orange, or custom colours |
| Welding Tear Strength | Excellent welding tear strength |
| Color Fastness | Best color fastness rated by manufacturer |
| Weather Resistance | Suited to extended outdoor exposure |
Application Suitability
| Application | Exposure & Requirement |
|---|---|
| Warehouse cover rolls | Constant UV exposure, rain load, wind uplift — requires consistent GSM and UV treatment across the full roll length |
| Construction site protection | Abrasion from scaffolding, debris impact, daily folding — demands high tensile strength and tear resistance |
| Truck tarpaulin conversion | Flex cycling, road spray, tie-down stress at hems — needs reliable weld strength and denier-rated base fabric |
| Tarpaulin distributor stock | Regional resale across multiple end uses — requires batch-to-batch colour match and documented GSM per roll |
| Agricultural equipment covers | Chemical exposure from fertilizers, prolonged sun, seasonal storage — benefits from mildew-proof and anti-UV treatment |
Why Stated GSM Does Not Guarantee the Roll You Receive
We verify every roll on the scale before it ships, not after you complain.
When purchasing PVC coated tarpaulin roll stock in bulk, the gap between quoted weight and actual delivered weight is one of the most common disputes in the supply chain. A distributor ordering a container load at 650 GSM may receive material that averages lower once unwrapped, leading to thinner sections that fail prematurely under tension or UV load. Weight variation within a single roll can also cause problems during fabrication, where heat welding parameters set for the specified thickness produce weak seams on underweight sections. [NEED_CITE: industry disputes over coated fabric GSM deviation in bulk shipments]
How We Control Batch Consistency Across Container Loads
Our production lines run dedicated QA checkpoints at every coating stage, measuring coating weight and base fabric adhesion before the roll moves to winding. For wholesale buyers importing by the container, this means each PVC coated tarpaulin roll carries a recorded weight that maps back to its position in the production run. Colour batches are mixed and matched to reference standards before coating begins, reducing the visible variation that appears when two rolls from different batches are installed side by side.
What Container-Load Buyers Should Verify Before Dispatch
Roll-to-roll consistency matters most when the material is being converted or resold. A distributor cutting truck covers from a mixed batch needs every roll to respond identically to the same heat weld temperature and pressure. Our pre-shipment inspection records capture GSM, thickness, and colour reference per roll, giving importers a complete data package before the container is sealed. [NEED_CITE: pre-shipment inspection protocols for coated textile exports]
Reading the Specification Sheet Beyond the GSM Number
GSM tells you the weight per square metre, but it does not describe how that weight is distributed between the polyester base fabric and the PVC coating layers. A 700 GSM roll built on a 1000D base with balanced coating will resist tearing and hold a weld seam far better than a 700 GSM roll where most of the weight sits in a thick coating over a lighter 500D scrim. Our lamination and hot melt coating technology controls this balance explicitly, bonding the PVC into the yarn structure rather than simply sitting on the surface. This is why tensile and tear figures vary across GSM tiers — the 400-500 GSM medium grade delivers 1500-2000 N/5cm longitude tensile, while the 1100-1500 GSM super heavy grade reaches 2500-3000 N/5cm warp, reflecting the denser base fabric underneath.
The Cost of Choosing the Wrong Roll Grade for Your Market
Selecting a medium-duty PVC coated tarpaulin roll for an application that demands heavy-duty performance shows up as early weld failure, edge tearing around grommets, or coating delamination after a single season. Conversely, specifying super heavy 1100-1500 GSM for a lightweight cover that never sees mechanical stress adds dead weight and shipping cost without functional benefit. Distributors who stock a single grade for all customers end up either over-specifying and losing margin or under-specifying and handling returns. [NEED_CITE: coated fabric grade selection and field failure correlation]
Why Wholesale Buyers Source PVC Coated Tarpaulin Roll Stock Here
Three full production lines and 36 sets of professional equipment give us the throughput to fill container orders without splitting production across multiple runs, which is where batch inconsistency originates. Our 10-person R&D team handles custom width, colour matching, and sample development so that approval happens before the main run, not after. Dedicated QA/QC at every stage means the roll packing list you receive reflects actual measured data, not nominal values copied from a catalogue. Samples for custom requirements are developed within days, letting distributors confirm colour, hand feel, and weld behaviour before committing to volume.
Documentation & Verification
- Material specification sheet stating GSM, base fabric denier, and coating method per roll batch
- Pre-shipment inspection record with roll-by-roll weight verification against quoted values
- Roll packing list detailing roll count, individual net weight, and dimensions for container planning
- Test reports for flame retardant B1 grade and UV treatment where applicable to the order
- Certificate of origin and customs support documentation for import clearance
Fabrication, Handling & Storage
- Heat weld temperature and dwell time must be adjusted across the 400-500 GSM medium and 1100-1500 GSM super heavy grades to avoid seam delamination
- Store rolls upright on pallets to prevent flat-spot deformation on the outer coating layers
- Unroll heavy-duty 700-1000 GSM grades in moderate temperatures to avoid stiffness-related creasing
- Clean coated surfaces with mild detergent only — solvent-based cleaners degrade the PVC coating bond
- Cut patterns should account for roll width to minimise offcuts and maximise container-load yield
What to Include in Your Enquiry
Tell us the end-use application and the environmental conditions the fabric will face so we can recommend the correct GSM tier and treatment package. Specify your target roll width, colour reference, and whether you need standard stock grades or a custom production run. If your market requires documented flame retardant certification or anti-static compliance, state the relevant standard so we include the correct test report with your shipment.
Frequently Asked Questions
Q: How is GSM verified per roll and how should I inspect on arrival?
A: Every roll is weighed individually during pre-shipment inspection, and the recorded weight is listed on the packing document. On arrival, select several rolls at random, cut a measured sample from each, and weigh it on a calibrated scale. Compare your readings against the dispatch record. Any significant deviation should be reported with photos and sample weights so we can trace the roll back to its production batch.
Q: How do you ensure colour consistency across rolls in the same order?
A: All rolls within a single order are produced from the same colour batch mixed before the coating run begins. Our QA team checks colour reference against the approved standard at multiple points during production. If your order requires rolls from different production dates, we match each run to the same reference sample and note any batch boundaries on the packing list so you can plan installation sequencing.
Q: What roll widths and lengths are available for container loading?
A: Standard widths are available from stock in multiple options suited to common fabrication patterns. Custom widths can be produced with low minimums for distributors who need to optimise cutting yield for specific end products. Roll length is configured to match your container weight and volume limits, and the roll packing list details the exact count and net weight so you can confirm loading efficiency before dispatch.
Q: How are rolls packed and loaded to maximise container utilisation?
A: Rolls are packed vertically on pallets or horizontally in protective wrapping depending on the grade and your unloading equipment. The packing list provides roll dimensions and total weight so your logistics team can plan container loading in advance. Heavy-duty 1100-1500 GSM rolls are loaded to stay within axle weight limits while filling available volume.
Q: What are the minimum order quantities for custom width, colour or print?
A: Custom colour runs and non-standard widths carry minimums that depend on the coating line setup and the GSM tier you select. Medium-duty grades typically allow smaller custom runs than super heavy grades due to material volume. Contact us with your target specification and we will confirm the minimum along with sample lead time before you commit to the full order.
