Verified Coating Weight — every roll leaving the line is weighed against the quoted GSM and recorded before container loading.
Technical Specifications
| Parameter | Value |
|---|---|
| Product Type | PVC Tarpaulin Roll |
| Material | PVC Coated Fabric |
| GSM Options | 550g / 600g / 650g / 900g |
| Waterproof | Yes — fully coated construction |
| UV Treatment | Available (test basis not stated — confirm the grade required for your market) |
| Flame Retardant | Available in flame retardant grades (grade not stated — confirm the standard required for your market) |
| Colour Options | Blue, Blue/Orange, Green, Grey, Black, Clear, Grey/Green, Orange, or custom colour |
| Thickness | 0.2 mm – 0.4 mm / 8 mil – 16 mil / Custom |
| Key Features | Waterproof and washable; tear resistant; weather proof and sunproof; mildew proof and anti-aging |
| Printing | Custom printing of brand accepted |
Application Suitability
| Application | Exposure & Requirement |
|---|---|
| Truck side curtains and load covers | Constant flexing at tie-down points, road debris abrasion, sustained UV and rain exposure |
| Roof tent shells | Repeated folding and unfolding, prolonged sun and rain contact, weight sensitivity for vehicle roof load |
| Industrial equipment covers | Outdoor storage, dust ingress, forklift handling abrasion, chemical splash risk on construction sites |
| Inflatable and membrane structures | Air pressure load on seams, solar heat gain, weld integrity under tension |
Why Stated GSM Alone Fails to Predict Real-World Durability
Coating adhesion to the base fabric determines whether the tarpaulin survives its first season, not just the headline weight.
Buyers who source PVC coated tarpaulin roll by weight alone often discover that a fabric matching the quoted GSM still delaminates at the hem or splits where the eyelet reinforcement meets the field panel. The mass of coating applied tells you nothing about how well it bonds to the yarn, how the weave carries load across bias directions, or whether the plasticiser balance remains stable under repeated heat cycles [NEED_CITE: coating adhesion test methods for PVC coated fabrics per ISO 1421]. When a fleet operator orders several hundred linear metres for trailer side curtains, even a small variation in adhesion from roll to roll shows up as premature seam failure on the first trailers returned from route.
Coating Process and Roll-to-Roll Consistency
Jinxiang runs three full coating lines with dedicated tension and temperature control, producing PVC coated tarpaulin roll stock in the 550g through 900g range. The process controls coating weight and adhesion at every stage, so a 650g roll cut from the first batch of the day performs identically to one pulled from the last. Buyers who fabricate truck covers and roof tent panels from multiple rolls in a single production run need this consistency to avoid visible panel mismatch once the finished product is assembled and installed.
Colour Match Across a Multi-Roll Order
Colour variation between rolls is one of the most visible defects a buyer faces when panels are installed side by side on a trailer or tensioned across a tent frame. Batches are matched to a reference swatch and inspected under controlled lighting before packing [NEED_CITE: colour fastness evaluation methods for coated textiles]. This reduces the risk that a distributor cutting stock from ten different rolls ends up with a patchwork appearance that triggers a customer rejection on site.
What the GSM and Thickness Numbers Actually Mean
The GSM figure combines base fabric weight and coating weight into a single number, yet two fabrics rated at 650g can behave very differently depending on the base yarn denier and weave density. A tighter weave with lighter coating delivers higher tensile strength in the warp and weft, while a heavier coating on a looser weave improves puncture resistance and waterproof durability. Thickness, measured here between 0.2 mm and 0.4 mm, correlates with the coating build and influences how the fabric handles through a heat-weld machine: thicker stock requires more dwell time and higher platen pressure to achieve full seam fusion without burning the surface. Understanding this balance lets a fabricator choose the right grade for truck curtain flexing versus roof tent folding without over-specifying and adding unnecessary weight.
The Hidden Cost of Specifying on Price Per Kilogram
Selecting roll stock purely on unit cost often means accepting lighter base fabric compensated with filler-heavy coating. The result is a material that meets the GSM target on the scale but cracks along the fold line after repeated cold-weather handling or loses plasticiser to the surface, leaving a sticky residue that attracts dirt and degrades printed branding [NEED_CITE: plasticiser migration mechanisms in flexible PVC compounds]. Distributors who restock warehouse shelves with such material absorb the cost of customer returns and replacement shipments that far outweigh the initial saving per roll.
Why Fabricators and Distributors Source Roll Stock Here
Process depth matters more than catalogue breadth when buying PVC coated tarpaulin roll for fabrication or resale. Jinxiang’s coating lines are dedicated to PVC-coated fabric, allowing tight control over adhesion and weight across the full 550g–900g range. A ten-person R&D team develops custom width, colour and printed samples within days rather than weeks, so buyers can validate material before committing to a container order. Every roll passes 100% pre-shipment inspection with recorded weight and surface quality, giving the buyer a documented baseline before the goods leave the factory gate.
Documentation & Verification
- Material specification sheet listing exact GSM, base fabric denier, coating type and colour reference per roll
- Pre-shipment inspection record documenting weight, width and surface condition before loading
- Roll packing list with roll count, net weight and container loading plan for logistics planning
- Certificate of origin and customs documentation included with every shipment
- UV and flame retardant test reports supplied where the selected grade carries a stated standard
Fabrication, Handling & Storage
- Heat-weld parameters must be adjusted for the 0.2–0.4 mm thickness range to ensure full seam fusion without surface scorch
- Rolls should be stored upright on end caps to prevent flat-spot creasing that shows through finished panels
- Cut panels should be welded within days of cutting to avoid edge curl on heavier 900g stock
- Cold-weather handling below freezing requires gradual unrolling to prevent coating micro-crack on PVC coated fabric
- Solvent-based cleaners should be tested on a scrap piece first to confirm compatibility with the selected surface finish
Requesting a Specification Match
Provide the end-use application, the exposure conditions the finished product will face, and the target market’s fire or safety requirements if applicable. Specify the required roll width, annual volume and whether custom colour or printed branding is needed. If the material will be fabricated into finished covers rather than sold as roll stock, share the weld method and seam construction so the correct GSM and surface finish can be recommended.
Frequently Asked Questions
Q: How is GSM verified on each roll before dispatch?
A: Every roll is weighed on calibrated scales and the result recorded on the pre-shipment inspection sheet. Buyers may request the individual roll weight log alongside the packing list. On arrival, re-testing with a calibrated GSM cutter confirms the delivered material matches the specification sheet within normal production tolerance.
Q: How do you control colour consistency across rolls in the same order?
A: Production batches are matched to a master colour swatch and compared under standardised lighting before packing. Rolls destined for the same order are grouped so that panels cut from adjacent rolls show no visible mismatch once installed side by side on a truck curtain or tent shell.
Q: What custom widths and minimums apply to roll stock orders?
A: Standard and non-standard widths are available across the 550g–900g range. Minimums depend on the selected GSM and colour; solid stock colours typically carry lower minimums than custom-matched shades. Request a quotation with your target width and colour to confirm the applicable run size and lead time.
Q: How are rolls packed for container shipment?
A: Each roll is wrapped in protective film and labelled with GSM, colour, width and roll number. A detailed packing list records the roll count, total net weight and container loading sequence so the receiving warehouse can plan unloading and inventory put-away without delay.
Q: What documentation ships with a PVC tarpaulin roll order?
A: Every consignment includes a material specification sheet, pre-shipment inspection record, roll packing list, certificate of origin and customs paperwork. Where the selected grade carries a UV or flame retardant certification, the relevant test report is included to support compliance in the destination market.
