Description
Proven Coating Consistency — Every 650gsm roll is verified for weight and adhesion across three dedicated production lines before leaving the facility, ensuring wholesale buyers receive the specification they ordered.
Technical Specifications
| Parameter | Value |
|---|---|
| Product Type | PVC Coated Tarpaulin Roll |
| Weight | 650gsm |
| Base Fabric | 100% high tenacity polyester yarns |
| Coating Material | PVC |
| Coating Method | Laminated technology & Hot-melt Coating technology |
| Key Features | Waterproof, Cold Crack Resistant, Anti-Mildew |
| Treatment Options | Flame retardant grades available (grade not stated in source), Anti-static treatment available (grade not stated in source), UV treatment available (test basis not stated in source) |
| Welding Performance | Outstanding tearing strength for welding |
| Printing Compatibility | Digital printing |
Application Suitability
| Application | Exposure & Requirement |
|---|---|
| Tarpaulin distributor restock | Consistent roll-to-roll colour and weight for resale without end-user complaints |
| Truck side curtain and cover fabric | Continuous flexing at tie-down points, road debris abrasion, prolonged UV and weather exposure |
| Converter cutting and welding roll stock | Dimensional stability through automated cutting, high-frequency welding adhesion at seams |
| Caravan tent and awning production | Lightweight handling during fabrication, foldability without coating crack, outdoor weathering |
| Digital printing advertising fabric | Surface receptivity to solvent and UV inks, colour accuracy, outdoor display life |
Why Quoted GSM Does Not Guarantee What Arrives on the Dock
Actual delivered weight is the only specification that matters to a wholesale buyer.
It is common in bulk fabric purchasing for the material specification sheet to state one weight while the roll that arrives weighs less, sometimes by a significant margin. This gap erodes margin for distributors who resell by the roll and creates structural risk for converters welding covers to a tensile expectation that the lighter fabric cannot meet. When a PVC Coated Tarpaulin Roll wholesale order arrives underweight, the cost shows up as failed seams, customer returns, or rejected site inspections. [NEED_CITE: pre-shipment weight verification practices for coated fabric rolls]
Stock Grade Consistency Across the Container
A 650gsm roll from one production run should match the next roll in colour, hand feel, and coating adhesion. Hot-melt coating and laminated technology on dedicated lines control the coating weight distribution across the full width, so converters cutting side curtain panels or awning sections do not encounter soft spots or delamination zones mid-roll. For wholesale buyers loading full containers, batch-to-batch consistency means the inventory you sell in month one performs identically to the rolls you sell in month four.
Coating Adhesion at the Weld Line
The point where a fabricated cover fails is rarely the body of the fabric — it is the weld seam, where flex loads concentrate and coating adhesion determines whether the joint holds or peels apart. Hot-melt coated polyester stock bonds the PVC layer into the base yarn structure rather than sitting on top of it, which gives high-frequency welding a more predictable melt zone and stronger tear resistance at the joint. Converters running automated weld lines benefit from this because it reduces rework on truck covers and awning assemblies. [NEED_CITE: hot-melt versus knife-over-roll coating adhesion for PVC polyester fabrics]
What the Specifications Actually Mean in Use
GSM alone does not define strength — a 650gsm fabric built on a loosely woven base with heavy coating filler will tear more easily than a lighter fabric with a tight polyester weave. The 100% high tenacity polyester yarns specified here provide the structural backbone, while the coating adds waterproofing, UV shielding, and welding receptivity. Laminated and hot-melt coating methods differ from standard knife coating in that they drive the PVC into the yarn interstices under heat and pressure, producing higher adhesion strength and better delamination resistance. This matters when a truck side curtain flexes thousands of times in service, or when a converter welds seams that must carry the full load of a tensioned cover. Digital printing compatibility depends on surface smoothness and coating chemistry — this stock accepts solvent and UV-curable inks for advertising and branded cover applications without surface pre-treatment.
The Cost of a Specification Mismatch in Roll Stock
A colour shift between rolls in the same order is invisible until the converter lays panels side by side on the shop floor, at which point the entire batch may be rejected by the end client. An anti-static or flame retardant treatment claimed without a documented grade means a mining or construction site inspector can refuse to accept the finished duct or cover, halting a project. Coating adhesion that is weaker than expected surfaces only during welding or under load — by then the roll has already been cut, the labour is spent, and the material cannot be returned. [NEED_CITE: coated fabric batch consistency and colour matching standards for roll stock]
Why Buyers Source Roll Stock Here
Three full production lines and 36 sets of coating equipment mean capacity to fill container-volume orders without splitting production across subcontracted lines. A 10-person R&D team develops custom width, colour, and print samples within days rather than weeks, shortening the approval cycle for wholesale buyers. Dedicated QA/QC at every stage — including 100% pre-shipment inspection of roll weight and colour — addresses the most common complaint in bulk fabric purchasing: receiving material that does not match the quotation. ISO and CE certified production systems provide the documentation framework that importers in regulated markets require for customs clearance.
Documentation & Verification
- Material specification sheet confirming 650gsm weight, base fabric denier, and PVC coating weight per roll
- Pre-shipment inspection record with measured GSM and colour reference for every roll in the order
- Roll packing list detailing individual roll weight, net and gross weight for container load planning
- UV and flame retardant test reports issued when treatment grades are specified at order placement
- Certificate of origin and customs documentation prepared for the destination market
Fabrication, Handling & Storage
- High-frequency welding parameters should be calibrated to hot-melt coated surfaces for optimal seam adhesion
- Store 650gsm rolls upright on core to prevent flat spots that cause tracking issues on cutting tables
- Allow cold-stored rolls to reach ambient temperature before unrolling to avoid coating micro-cracking
- Use PVC-compatible cleaners only — solvent-based agents may soften the hot-melt coating layer
- Cut panels with grain direction noted to maintain consistent tensile behaviour across welded assemblies
- Digital printing surfaces should be free of dust and plasticiser bloom before ink application
What to Specify When Requesting a Quote
Provide the stock widths and roll lengths your cutting line requires, along with the annual volume you intend to purchase, so pricing tiers and container loading plans can be calculated. State whether you need flame retardant or anti-static treatment and which grade your market or end-use regulation demands. If colour matching to an existing inventory is required, send a physical sample or Pantone reference so batch consistency can be confirmed before the production run.
Frequently Asked Questions
Q: How is GSM verified on each roll before shipment?
A: Every roll is weighed individually during pre-shipment inspection. The measured GSM is recorded against the material specification sheet and included in the inspection record that accompanies your order, so the weight stated on the quotation is the weight that arrives at your dock.
Q: How do you control colour consistency roll-to-roll within the same batch?
A: Rolls within a single production run are coated from the same PVC compound batch under controlled temperature. Pre-shipment inspection checks colour reference across rolls, and the packing list identifies batch reference so you can group rolls by run during warehouse allocation.
Q: What are the stock widths and bulk pricing tiers?
A: Standard widths are held in stock for container-volume dispatch. Pricing tiers are structured by total roll count and container utilisation. Specify your required widths and order volume at inquiry stage so a tier-specific quotation can be prepared.
Q: What container loading capacity applies to 650gsm tarpaulin rolls?
A: Roll count per container depends on width, roll length, and winding tension. The roll packing list provided with each shipment details individual roll dimensions and weights so you can calculate exact container utilisation before dispatch.
Q: Can I order mixed widths or colours in one container?
A: Mixed loads are accommodated for wholesale buyers managing diverse inventory. Minimum quantities apply per SKU to ensure each colour and width runs as a consistent batch. State your SKU mix at inquiry for confirmation of minimums and loading plan.
