Description
Roll-to-Roll Batch Consistency — three dedicated production lines and 100% pre-shipment inspection ensure every 500D500D 1817 PVC tarpaulin roll matches the stated specification across weight, colour and width.
Technical Specifications
| Parameter | Value |
|---|---|
| Product Type | PVC Tarpaulin Roll |
| Base Fabric Denier | 500D*500D |
| Mesh Count | 18*17 |
| Coating Material | PVC |
| Welding Options | HF, Hot Air, Sewing |
| Surface Finish | Self-cleaning |
| Flame Retardant | Available in flame retardant grades — confirm the grade required for your market |
| UV Treatment | Available with UV stabilisation — request the test basis for your climate zone |
| Mildew Resistance | Mildew proof |
Application Suitability
| Application | Exposure & Requirement |
|---|---|
| Tensile structures | Permanent tension, wind uplift cycles, UV exposure, weld seam integrity under load |
| Large format technical textiles | Consistent surface for digital printing, dimensional stability across roll widths |
| Portable storage structures | Repeated assembly and tear-down, abrasion at frame contact points |
| Airport hangars | Fire compliance, wide-span tension, fuel and hydraulic fluid splash resistance |
| Shade systems | Continuous solar exposure, colour fastness, thermal expansion under heat |
| Stadium architectural structures | Long-span membrane tension, snow and wind load, public safety fire classification |
What "Wholesale Roll Stock" Really Means for Your Margin
Buying PVC Tarpaulin Roll wholesale without batch-controlled coating means every roll is a gamble on weight, shade and width consistency.
When importers source standard-grade coated fabric from multiple mills or uncontrolled production runs, the consequences arrive at the container door. Rolls that should weigh the same per linear metre come in light, colour shifts become visible once panels hang side by side on a tensile roof, and widths that drift by even a few centimetres throw off cutting patterns and inflate waste. [NEED_CITE: coating weight variance across rolls in mixed-batch production]
For distributors restocking regional warehouses, those variances compound into customer complaints and returns that erode the margin the bulk price was supposed to protect.
Stock Colour Matching Across a Single Dye Lot
Roll-to-roll colour consistency starts with batch-controlled pigment dosing on the coating line. When a wholesale PVC Tarpaulin Roll order is split across multiple runs with different dye lots, shade variation becomes visible the moment two panels are unrolled next to each other on a job site. Our in-process QA checks colour against the reference standard before each roll leaves the line, so every roll in a single purchase order shares the same dye lot. This matters most for tent manufacturers and tensile structure installers where adjacent panels must read as one continuous surface.
Container Loading by Roll Count and Weight
Shipping PVC coated fabric roll stock in full container loads requires predictable roll weight and dimensions so the loading plan holds. Each roll is weighed and measured after winding, and the packing list records net weight, gross weight and linear metres per roll. This lets buyers calculate the exact roll count and total weight for 20ft and 40ft containers before dispatch, eliminating guesswork at the port and unexpected demurrage charges from overloaded containers. [NEED_CITE: standard container weight limits for coated fabric roll shipments]
Reading the Specs That Matter for Wholesale Buyers
The 500D500D base fabric paired with an 1817 mesh count creates a balanced weave where warp and weft tensile values stay close, which is important for applications like tensile membranes where load is applied in multiple directions. A weave that is heavily biased in one direction will stretch unevenly under tension and create visible distortion in large-format print or shade panel installations.
The self-cleaning surface finish reduces dirt adhesion on outdoor structures, cutting the frequency of wash-down cycles on installed shade systems and tensile roofs. For fabricators who weld seams, the PVC coating supports HF welding, hot air welding and sewing — so downstream shops can use their existing equipment without adjusting process parameters for a new material. The mildew proof treatment protects stored rolls in humid warehouse conditions before they reach the cutting table. [NEED_CITE: relationship between mesh count balance and multi-directional tensile behaviour in coated fabrics per ISO 1421]
The Hidden Cost of a Colour Mismatch in a Bulk Roll Shipment
A shade difference that looks minor on the sample swatch becomes a deal-breaker when ten panels are installed across a stadium canopy or a warehouse side curtain. The buyer’s end client sees the variation immediately, and the installer is forced to reorder matching fabric — at spot pricing, with new lead times, and while the project clock is running. [NEED_CITE: rework costs from colour variation in installed tensile membrane structures] Batch-controlled coating and pre-shipment colour verification against the order reference eliminate this exposure before the rolls ever reach the job site.
Why Buyers Source Roll Stock Here
Three full production lines running dedicated coated fabric output support bulk roll volumes without splitting orders across subcontracted capacity. A 10-person R&D team develops custom widths, colours and surface treatments for buyers who need stock grades adapted to a specific market. In-process QA at every coating stage catches weight drift and shade shift before a roll is wound, not after it arrives overseas. The 100% pre-shipment inspection verifies each roll against the purchase order for GSM, width and colour, and the inspection record ships with the container. Samples for new colour or treatment requests are developed within days so buyers can approve before committing to production volume.
Documentation & Verification
- Roll packing list stating net weight, gross weight and roll count per container for freight planning
- Material specification sheet confirming 500D500D denier, 1817 mesh and coating type per batch
- Pre-shipment inspection record verifying weight, colour and width against the purchase order
- ISO and CE certificates accompanying every dispatch for customs clearance and buyer compliance
- UV and flame retardant test reports provided for treated grades upon request
Fabrication, Handling & Storage
- HF and hot air welding compatible with the PVC coating — confirm temperature and dwell time on test pieces first
- Sewn seams should use UV-stable thread rated for coated polyester to match the fabric’s outdoor exposure profile
- Store rolls upright on pallets in a dry warehouse; laying rolls flat on the self-cleaning surface can create flat spots
- Allow rolls to acclimatise before unrolling in cold conditions to prevent stiff coating from cracking at the core
- Use non-solvent cleaners on the self-cleaning surface to avoid softening the PVC coating layer
Request a Wholesale Roll Quotation
Provide the target roll width, linear metres per roll and annual volume so we can match you to a production run with confirmed dye lot consistency. Specify any flame retardant grade or UV stabilisation level your end market requires, and we will include the corresponding test report with the shipment documentation. If you need mixed colours in one container, share the colour references and quantities per shade so we can confirm the loading plan.
Frequently Asked Questions
Q: How is the quoted GSM verified before the rolls ship?
A: Every roll is weighed after winding and the result is recorded on the pre-shipment inspection sheet. The inspection record travels with the container so you can cross-check the actual weight against the material specification sheet on arrival. Any roll falling outside the stated tolerance is pulled before packing.
Q: What is the standard roll width and container loading quantity?
A: Standard widths are produced to match common cutting patterns for tensile and tent fabrication. Roll count per 20ft or 40ft container depends on the chosen width and linear metres per roll. A detailed loading plan with roll count, total weight and CBM is provided at quotation stage for your freight forwarder.
Q: How do you control colour consistency across rolls in one order?
A: All rolls in a single purchase order are coated from the same batch-mixed pigment run. In-process QA compares each roll against the order colour reference before winding. The dye lot number is printed on the roll label so you can verify batch continuity when the container is opened.
Q: Which colours are in stock for immediate dispatch versus made to order?
A: High-demand colours such as white, grey and standard blue are produced in regular runs and held for quick dispatch. Custom or brand-specific colours are produced to order with a confirmed lead time. Request a stock list with your inquiry to see current availability by width.
Q: Can you ship UV and flame retardant test reports with the documentation?
A: Yes. For rolls ordered with UV stabilisation or flame retardant treatment, the corresponding test reports are included in the shipment documentation pack. Specify the grade or standard your market requires at inquiry stage so the correct treatment and report are matched to your order.
