Process-Controlled Coating — nearly 30 years focused on PVC coated fabric with deep control over coating weight and adhesion, ensuring every roll of 650gsm PVC coated tarpaulin roll meets the tensile and weather demands of covering a moving load.
Technical Specifications
| Parameter | Value |
|---|---|
| Product Type | PVC Coated Tarpaulin |
| Weight | 650 GSM |
| Base Fabric Denier | 1000D*1300D |
| Mesh Count | 20*20 |
| Total Thickness | 0.46mm |
| Coating Material | PVC |
| Base Material | Polyester |
| Tensile Strength (Warp) | 2550 N (test basis not stated in source) |
| Tensile Strength (Weft) | 2250 N (test basis not stated in source) |
| Key Features | Water Resistant, Waterproof, Flame Retardant (grade not stated — confirm the grade required for your market), Anti-UV (test basis not stated — confirm the standard required for your region) |
| Repairability | Repairable by Hot Air Welding |
| Surface | Double-Sided PVC Coating on Polyester Base |
Application Suitability
| Application | Exposure & Requirement |
|---|---|
| Truck side curtain | Constant flexing at tie-down points, road abrasion, UV and weather exposure, colour consistency across fleet vehicles |
| Flatbed trailer cover | Load shifting stress, wind flutter, rain and road spray, reinforced eyelet and hem zones |
| Machine and equipment cover | Outdoor storage, UV degradation risk, water ingress protection, abrasion from contact with metal surfaces |
| Awning and tent fabrication | Tension loading, weather resistance, hot air weldability for seam fabrication, roll-to-roll colour matching |
Why the Weld Line Fails Before the Fabric Does on Truck Covers
Weld strength depends on coating adhesion to the base fabric, not just the GSM of the PVC Coated Tarpaulin Roll.
Fleet operators replacing side curtains on curtain-side trailers often find the cover splitting along the welded seam while the body of the fabric remains intact. The flex point where the load shifts most concentrates stress on the heat-welded joint. [NEED_CITE: tensile and peel strength test methods for coated fabrics per ISO 1421] When coating adhesion to the polyester base is insufficient, the PVC layer delaminates at the weld under repeated flexing cycles. This failure mode is not visible during pre-installation inspection — it emerges after the cover has been tensioned, loaded, and exposed to road vibration. Specifying a PVC coated tarpaulin for truck and transport requires verifying not just fabric weight but the bond strength between coating and substrate.
Covering a Moving Load Requires Fabric Specified by Denier, Not Just Weight
A 650 GSM roll built on a 1000D*1300D polyester base delivers the tensile capacity needed when a flatbed load shifts under braking or cornering. The warp direction carries 2550 N and the weft 2250 N, which translates to resistance against the tearing forces that build at eyelet and tie-down zones during transit. Fleet operators specifying side curtain and truck cover fabric by the roll need this balance of weight and base denier to ensure the PVC Coated Tarpaulin Roll performs under real road conditions, not just static lab measurements.
Roll-to-Roll Consistency Across a Fleet Cover Order
When a transport company orders enough rolls to cover an entire fleet, colour variation between rolls becomes visible once the covers are installed side by side on adjacent trailers. Batch consistency in both GSM and colour is critical for operators who cannot accept one trailer looking noticeably different from the next. [NEED_CITE: colour measurement and batch consistency standards for coated fabrics] The 20*20 mesh count on this grade provides a uniform substrate that supports even coating application across production runs, reducing the risk of shade drift between consecutive rolls in a single dispatch.
Reading the Specification Sheet Beyond the GSM Number
GSM alone does not predict how a truck cover will behave at the flex point. The 0.46mm total thickness of this 650 GSM grade represents the combined build of PVC coating on both sides of a 1000D1300D polyester scrim. A heavier coating relative to the base fabric improves waterproof sealing but can reduce flexibility where the cover folds around tie-down hardware. The 2020 mesh density determines how many yarn crossover points exist per square inch — more crossover points distribute load across a wider area of the scrim, which directly affects tear propagation resistance. For transport applications, the relationship between denier, mesh count, and coating weight matters more than any single figure. Hot air weldability further depends on the coating formulation and thickness: too thin a coating layer will not fuse reliably, while excessive coating build can trap air pockets at the seam.
The Cost of Ordering a Generic Size Instead of a Model-Fitment Cover
Transport equipment builders who order pre-cut truck covers in standard dimensions frequently end up with excess material that flaps in the wind or, worse, a cover that leaves the rear corners of the trailer exposed. [NEED_CITE: industry guidance on custom versus generic tarpaulin sizing for transport fleets] A cover that does not match the specific trailer model creates tension points at the eyelets that exceed what the fabric was designed to carry. Welded seams at these over-stressed points are typically the first to fail. Buying PVC Coated Tarpaulin Roll stock and cutting to exact vehicle dimensions eliminates this mismatch, but it requires the supplier to deliver roll-to-roll GSM and thickness consistency so that fabrication behaviour remains predictable across the order.
What the Production Line Delivers for This Grade
Three full production lines and 36 sets of professional equipment handle the volume required when a fleet operator orders multiple container loads of this 650 GSM grade. The 10-person R&D team develops samples within days when a transport equipment builder needs to confirm weld parameters before committing to production. Dedicated QA/QC runs at every stage — base fabric inspection, coating weight verification, and 100% pre-shipment inspection — so that the roll arriving at your fabrication shop matches the specification on the quotation. [NEED_CITE: quality control protocols for coated fabric production per ISO management systems] For buyers who have received material lighter than the quoted GSM in the past, this process control is the difference between a cover that survives the first winter and one that delaminates at the hem.
Documentation & Verification
- Material specification sheet stating 650 GSM, 1000D*1300D base denier, and coating weight for each roll
- Pre-shipment inspection record confirming roll-to-roll GSM and colour consistency before dispatch
- Test report for flame retardant and UV grades where applicable, with stated grade and test basis
- Roll packing list with net weight and roll count for container loading verification against your purchase order
- Certificate of origin and customs documentation for cross-border shipment of PVC Coated Tarpaulin Roll stock
Fabrication, Handling & Storage
- Hot air welding on the 0.46mm double-sided PVC coating requires temperature and speed calibration to achieve full seam fusion without scorching
- Reinforce eyelet zones with additional PVC patches to distribute tie-down loads across the 1000D*1300D base fabric
- Store rolls upright on pallets to prevent permanent creasing of the 650 GSM coated surface
- Allow cold-stored rolls to acclimatise before unrolling to avoid coating micro-cracking at low temperatures
- Cut panels with the warp direction aligned to the primary load path on truck and trailer covers
- Clean the smooth PVC surface with non-solvent detergents to preserve coating integrity over repeated wash cycles
What to Include in Your Enquiry
To receive an accurate specification recommendation, share the trailer models you are covering, the climatic conditions the covers will face, and whether your market requires flame retardant certification for transport textiles. Specify the roll width you need, your annual volume, and whether you require finished cut-to-size covers or raw roll stock for in-house fabrication. If colour matching to an existing fleet is required, provide a reference sample or RAL code so the production team can confirm shade consistency before bulk runs.
Frequently Asked Questions
Q: How do I confirm the 650 GSM I receive matches what was quoted?
A: Request a pre-shipment weight verification record that documents the GSM of each roll against the stated specification. On arrival, you can cross-check with a calibrated scale and a measured sample cut. Our QA process includes 100% inspection before dispatch, and the roll packing list provides net weight data for your own verification.
Q: Can truck covers be cut to my exact trailer model instead of generic sizes?
A: Yes. Provide the trailer make, model, and year, and the production team will develop a cut pattern matched to those dimensions. This eliminates the excess material and tension mismatches that cause premature weld failure on generic-size covers, ensuring the PVC Coated Tarpaulin Roll is fabricated to fit your specific vehicles.
Q: What test reports support the flame retardant and anti-UV claims?
A: Test reports are available for flame retardant and anti-UV grades where applicable, stating the grade and the test standard used. Confirm the specific grade or standard your market or transport authority requires, and the documentation will be matched to that requirement before shipment.
Q: How do you ensure colour consistency across multiple rolls in one order?
A: All rolls in a single order are produced in the same batch run on the same coating line. Pre-shipment inspection includes visual colour comparison between rolls, and the inspection record documents the result. For fleet-wide orders, this prevents visible shade variation once covers are installed on adjacent trailers.
