Description
Proven Coating Consistency — Every 500D500D 1817 roll leaves our facility with verified weight, colour, and surface uniformity across the entire batch.
Technical Specifications
| Parameter | Value |
|---|---|
| Product Type | PVC Coated Tarpaulin Roll |
| Base Fabric Denier | 500D*500D |
| Mesh Count | 18*17 |
| Coating Material | PVC |
| Welding Compatibility | HF, Hot Air, Sewing |
| Flexibility | Highly flexible, resistant to cracking |
| Self-Cleaning Surface | Yes |
| Fire Retardant | Available — confirm the grade required for your market |
| UV Resistance | Available — confirm the test basis required for your market |
| Antibacterial & Mildew Proof | Available |
| Oil & Stain Resistance | Available |
| Acid & Alkali Resistance | Available |
| Temperature Resistance | High temperature and cold resistant |
| Anti-Oxidation | Yes |
| Weather Resistance | Yes |
| Key Features | Fire retardant, UV resistant, antibacterial, mildew proof, oil resistant, stain resistant, acid & alkali resistant, anti-oxidation, weather resistant, self-cleaning |
Application Suitability
| Application | Exposure & Requirement |
|---|---|
| Tensile and membrane structures | Sustained wind load, UV exposure, weld integrity at stress points |
| Portable storage and warehouse covers | Repeated folding, ground contact, moisture and mildew exposure |
| Shade systems and stadium shading | Continuous solar radiation, self-cleaning demand, colour retention |
| Airport hangar and aviation covers | Wide span tensioning, chemical resistance to de-icing fluids |
| Large format technical textiles | Roll-to-roll batch consistency, high-frequency welding precision |
Why Roll-to-Roll Consistency Matters More Than the Quoted GSM
A quoted weight means nothing if the roll arriving at your dock weighs less.
Distributors and fabricators regularly receive PVC coated tarpaulin roll stock where the first roll matches the spec sheet and the twentieth feels noticeably lighter. The cost of discovering this after cutting and welding is severe — panels that fail under load, seams that delaminate, and customers who hold you responsible. PVC Coated Tarpaulin Roll wholesale orders magnify this risk because a single container holds dozens of rolls cut from different production runs. [NEED_CITE: ISO 1421 tensile and tear test methods for coated fabrics] When GSM varies by even a small margin across a batch, the downstream fabricator bears the entire loss. Our approach is to treat weight tolerance as a controlled variable, not an acceptable range, and to document every roll against the purchase order before it ships.
Batch Colour Matching Across Container-Load Volumes
Colour shifts between rolls in the same PVC Coated Tarpaulin Roll wholesale shipment become visible the moment panels are installed side by side on a shade structure or warehouse cover. We control pigment dosing at the coating stage so that every roll within a purchase order references the same colour standard. Buyers who order mixed containers — several widths or multiple colours for different customers — receive rolls grouped and labelled by batch for easy identification on arrival.
Welding Compatibility for Downstream Fabrication
Fabricators working with high-frequency or hot-air welders need coating chemistry that bonds predictably at the seam. This PVC coated fabric supports HF welding, hot-air welding, and conventional sewing, giving production teams flexibility in how they construct finished panels. The coating formulation is designed to flow and fuse at standard welding temperatures without scorching or delamination, which is critical when seams carry structural load in tensile or membrane applications. [NEED_CITE: coated fabric weld peel strength test methods]
Understanding the 500D×500D Base Fabric and 18×17 Mesh
The denier of the base polyester yarn and the weave density together determine how the material behaves under tension and when a tear starts to propagate. A 500D×500D yarn with an 18×17 mesh count creates a balanced grid that distributes load across both warp and weft directions, reducing the chance that a single broken yarn triggers a runaway tear. The PVC coating penetrates the weave and locks the yarns in place, which directly affects peel strength — the force required to separate the coating from the base fabric. Coating weight alone does not predict performance; a heavier coating on a loosely woven base may crack at fold points while a properly balanced construction stays flexible. Surface finish also plays a role: a self-cleaning treatment reduces dirt adhesion on outdoor shade structures, cutting maintenance frequency and preserving the fabric’s solar reflectance over extended exposure.
What Happens When Roll Stock Fails Inspection
Fabricators who source PVC coated tarpaulin roll material without verifying each roll on receipt face compounding costs. A roll that is lighter than specified tears more easily during fabrication and under load. A roll with inconsistent colour forces the workshop to cull panels and reorder, delaying the entire project. A flame-retardant claim without a supporting test report means the finished installation may fail a site inspection and require complete replacement. [NEED_CITE: fire classification requirements for temporary structures and tensile membranes] These failures are preventable when the supplier treats inspection as a production step rather than a formality.
Why Buyers Keep Reordering This Roll Stock
Three full production lines allow us to run stock-grade rolls alongside custom-width orders without either line blocking the other, keeping PVC Coated Tarpaulin Roll wholesale lead times predictable. A dedicated R&D team develops samples within days when a buyer needs to match a specific colour reference or treatment grade before committing to a full container. Every roll passes through in-process quality checks at the coating, winding, and packing stages — not a single final inspection after the fact. We provide a complete documentation package with each shipment, so customs clearance and incoming quality checks at your warehouse proceed without delay. Container loading plans are confirmed before dispatch, detailing roll count, dimensions, and weight so logistics teams can plan unloading and storage.
Documentation & Verification
- Material spec sheet stating 500D×500D denier, 18×17 mesh, and PVC coating composition
- GSM verification record per roll compared against the quoted weight tolerance
- Colour reference card matched to the batch sample approved before production
- Container loading plan listing roll count, dimensions, and gross weight
- Pre-shipment inspection record covering surface, weld readiness, and packaging integrity
- ISO and CE certificates included with each dispatch documentation set
Fabrication, Handling & Storage
- HF weld settings should be calibrated to this PVC coating thickness before production runs begin
- Hot-air seams benefit from a test strip to confirm peel strength at the chosen temperature
- Store rolls upright on pallets to prevent flat-spot deformation of the wound coating layer
- Avoid dragging rolls across abrasive surfaces that can score the self-cleaning top finish
- Sewn seams should use UV-resistant thread matched to the fabric’s outdoor exposure conditions
- Cold-weather unfolding requires gradual warming to preserve the crack-resistant flexibility
Before You Request a Quote
Tell us the roll widths and lengths your production line requires, along with the annual volume you plan to order. If your market mandates a specific flame-retardant or UV-resistance grade, include the standard reference so we can confirm availability with the matching test report. For mixed-colour container orders, provide the RAL or Pantone references and the quantity per colour so we can plan batch runs accordingly.
Frequently Asked Questions
Q: How do you verify GSM on arrival against the quotation?
A: Each roll is weighed and measured during pre-shipment inspection. We record the actual GSM alongside the quoted value on the inspection report included in your documentation package. Any deviation outside the agreed tolerance is flagged before loading, not discovered at your warehouse.
Q: How is colour consistency controlled across multiple rolls in one order?
A: Pigment dosing is locked at the coating stage using a master batch reference. Rolls within the same purchase order are produced from the same pigment lot and visually compared under controlled lighting before packing.
Q: What roll widths and lengths are available for stock grades?
A: Standard widths and lengths are kept in production rotation. Custom widths and roll lengths are available — provide your required dimensions and our team will confirm lead time and minimum quantity.
Q: What documentation accompanies each bulk shipment?
A: Every PVC Coated Tarpaulin Roll wholesale shipment includes a material specification sheet, GSM verification record, colour reference confirmation, pre-shipment inspection report, roll packing list, and certificates of origin and compliance.
Q: What are the container loading options by roll count and weight?
A: We prepare a loading plan before dispatch showing how many rolls fit per container, the arrangement pattern, and total gross weight. This lets your logistics team plan unloading resources and warehouse space in advance.
