Description
Roll-To-Roll Weight Verified — every 650 gsm roll is weighed and logged against the specification sheet before leaving the coating line, ensuring wholesale buyers receive the GSM they paid for across full container loads.
Technical Specifications
| Parameter | Value |
|---|---|
| Product Type | PVC Coated Tarpaulin Roll |
| Weight | 650 GSM |
| Base Fabric Denier | 1000D × 1300D |
| Mesh Count | 20 × 20 |
| Total Thickness | 0.46 mm |
| Coating Material | PVC |
| Base Material | Polyester |
| Tensile Strength (Warp) | 2550 N |
| Tensile Strength (Weft) | 2250 N |
| Key Features | Water resistant¹, flame retardant¹, anti-UV¹ |
| Surface Finish | Smooth, leather-like texture |
| Package Options | Roll packing, bale packing, carton |
¹ Grade or test basis not stated in source — confirm the specific grade required for your market before ordering.
Application Suitability
| Application | Exposure & Requirement |
|---|---|
| Truck and trailer covers | Constant road vibration, flexing at load points, UV and rain exposure, abrasion from tie-down straps |
| Machine and equipment covers | Outdoor storage, dust and moisture ingress, repeated fitting and removal causing surface wear |
| Tent and awning fabrication | Tensile load on frame joints, prolonged sun exposure, wind-driven rain, heat-welded seam integrity |
| Wood and lumber covers | Stacked weight, moisture penetration, forklift handling damage, fungal growth prevention |
Why the GSM on Your Quotation Does Not Always Match the Roll You Receive
A quoted 650 GSM means little if the roll that arrives weighs 610.
Buyers sourcing PVC coated tarpaulin roll wholesale regularly face a gap between the specification sheet and the material on the warehouse floor. Coating weight drift during production, base fabric substitution, or deliberate under-coating to reduce cost all push the finished roll below the agreed GSM. The shortfall may not be visible until the fabric is cut and fabricated into covers, at which point tensile performance and weld strength are already compromised. [NEED_CITE: tensile and tear test methods for coated fabrics per ISO 1421] A buyer ordering a full container of rolls has little chance of catching a 5–8 % weight deficit without dedicated pre-shipment weighing and documentation.
Roll-to-Roll Colour Consistency Across Large Wholesale Orders
When tarpaulin distributors and importers stock multiple GSM grades for regional resale, colour variation between rolls in the same shipment becomes a visible problem the moment two panels are installed side by side. The 650 GSM grade is produced on dedicated coating runs where pigment batching and PVC compound mixing are controlled within a single production cycle. Rolls pulled from the same batch maintain colour uniformity that fabricators and end users expect. For buyers who need to split a container across several colour references, separating production runs by colour at the quotation stage prevents cross-contamination and shade drift. This PVC coated tarpaulin roll wholesale supply workflow assigns a batch number to every roll so downstream buyers can trace colour origin.
Container Loading Optimised for Roll Count and Gross Weight
Bulk roll purchasing hinges on fitting the maximum usable weight into a standard container without exceeding road transport limits at either end. The 650 GSM grade, at 0.46 mm total thickness, delivers a practical balance between roll diameter and linear metres per roll. Roll packing, bale packing and carton options allow the loading plan to be adjusted for the buyer’s unloading equipment — bale packing suits operations with forklifts and open warehouse floors, while carton packing protects rolls destined for retail re-sale. A container loading plan confirming roll count, net and gross weight and cubic utilisation is provided at quotation stage so buyers can calculate landed cost per square metre before committing to production.
How Denier, Mesh Count and Coating Weight Interact in the 650 GSM Grade
The 1000D × 1300D polyester base fabric at 20 × 20 mesh count forms a dense grid that distributes tensile load across multiple yarn intersections rather than concentrating stress on individual threads. Warp tensile strength of 2550 N and weft tensile strength of 2250 N reflect the heavier 1300D weft yarn carrying the cross-direction load where trailer side curtains and tent panels flex most. Coating weight on both sides of this base fabric brings the total to 650 GSM, filling the interstices between yarns and bonding to the polyester surface to resist delamination under heat welding. The 0.46 mm thickness provides enough body for the fabric to hold its shape during fabrication without becoming too stiff for roll forming or folding in cold conditions. [NEED_CITE: relationship between mesh density and tear propagation in PVC coated polyester]
The Cost of Specifying on GSM Without Verifying Base Fabric Density
A 650 GSM roll built on a lighter 500D base with extra coating compound to reach the target weight will feel correct on the scale but will tear more easily at cut edges and welded seams because the yarn grid carrying the mechanical load is under-dimensioned. Fabricators discover this when eyelets pull through the hem or when a heat-welded seam peels apart under load. The 650 GSM grade here uses the 1000D × 1300D base specifically so the tensile and tear performance comes from the yarn structure, not from excess coating filler. [NEED_CITE: peel strength and weld integrity on PVC coated polyester fabrics] Buyers who compare rolls only by GSM and price miss the base fabric specification that ultimately determines whether a truck cover or tent panel survives its first season.
What This Supply Chain Brings to Roll Buyers
Three full production lines and 36 sets of professional equipment run simultaneously, giving volume buyers access to multi-container orders without extended queue times. A 10-person R&D team handles custom width, colour matching and pattern printing with samples developed within days rather than weeks. Dedicated QA/QC at every production stage means coating weight, colour shade and dimensional accuracy are checked before the roll reaches the packing area, not after. ISO and CE certified production processes underpin the documentation package that international distributors need for customs clearance and downstream compliance. Nearly 30 years of focused coated fabric production provides the process knowledge to hold GSM tolerance, adhesion strength and surface finish across large batch runs.
Documentation & Verification
- Material specification sheet stating 650 GSM, 1000D × 1300D base fabric and coating weight per roll
- Pre-shipment inspection record with 100 % weighing and visual coverage before dispatch
- Roll packing list detailing roll count, net and gross weight and container loading sequence
- Test reports for flame retardant and anti-UV grades supplied when a specific grade is confirmed at order
- Certificate of origin and customs documentation prepared for destination country requirements
- Batch traceability number on every roll linking back to coating run and raw material lot
Fabrication, Handling & Storage
- Heat weld at temperatures matched to the 0.46 mm PVC coating thickness to achieve full-seam adhesion without base fabric scorch
- Store 650 GSM rolls upright on pallets to prevent flat-spot deformation on the inner layers
- Allow rolls to acclimatise before unrolling in cold conditions to avoid cracking the PVC surface
- Use wide-foot presser feet when sewing the 1000D × 1300D base to prevent needle-feed distortion at seam lines
- Clean with mild detergent only — solvent-based cleaners can soften the PVC coating and reduce surface integrity
- Plan cutting layouts to minimise off-cuts from the available roll width and maximise yield per linear metre
What to Include in Your Next Inquiry
Specify the end-use application and the environmental conditions the finished product will face — wind load, sun exposure, chemical contact or mechanical abrasion. State the roll widths and linear metres you need per colour, along with your annual volume forecast, so production runs can be planned for maximum batch consistency. If your market requires a particular flame retardant or anti-UV grade, name the standard so test reports can be prepared before sampling.
Frequently Asked Questions
Q: How is GSM verified on each 650 gsm roll before shipment?
A: Every roll is cut-weighed on calibrated scales against the 650 GSM specification during pre-shipment inspection. Results are logged per roll on the inspection record and shared with the buyer before container loading. Rolls falling outside the agreed tolerance band are flagged and replaced before dispatch, so the container contains only verified material.
Q: What roll widths and lengths are available for container loading?
A: Standard and custom widths are produced on the coating line to match buyer requirements. Roll length is set to optimise container weight and cubic capacity. A loading plan confirming roll count, dimensions and gross weight is provided at quotation stage so buyers can plan unloading and warehousing.
Q: How do you control colour consistency across rolls in one order?
A: Rolls within a single order are produced from the same pigment batch in a continuous coating run. Batch numbers are assigned per roll for full traceability. If an order spans multiple colours, each colour is run separately to prevent shade contamination between compounds.
Q: What is the MOQ for custom widths or colours?
A: Minimums depend on the width and colour requested. Custom widths and non-stock colours require dedicated coating runs, and the MOQ is calculated to cover line setup and raw material batching. Sample rolls are developed within days for approval before full production is scheduled.
Q: Can you supply test reports for flame retardant and anti-UV treatments?
A: Yes, test reports are provided when a specific grade or standard is confirmed at the inquiry stage. Because requirements vary by market and application, buyers should specify the flame retardant classification or UV exposure standard relevant to their region so the correct treatment is applied and documented.
