PVC Tarpaulin Fabric Rolls 500D*500D 18*17 – Custom Made

Description

Process-Controlled Coating — Deep oversight of adhesion and weight across three full production lines ensures every PVC Tarpaulin Fabric Rolls 500D500D 1817 meets the quoted specification before dispatch.

Technical Specifications

Application Suitability

Why a 500D*500D Weave Matters More Than GSM Alone for PVC Tarpaulin Roll Manufacturer Custom Orders

Coating weight without base fabric density tells only half the story.

I have reviewed field failures where a roll met its quoted GSM yet tore easily along the warp. The reason was a loose weave beneath a heavy coating layer. The 1817 mesh count in this 500D500D base provides a tight yarn intersection that resists tear propagation regardless of the PVC layer thickness. When sourcing from any PVC tarpaulin roll manufacturer custom specifications should always pair GSM with denier and mesh count for a complete picture [NEED_CITE: tensile and tear test methods for coated fabrics per ISO 1421].

Coating Adhesion and the Three-Line Advantage

Consistent coating adhesion separates a roll that delaminates at the weld from one that holds through years of flex cycles. Our three full production lines apply PVC under controlled tension and temperature, producing uniform bonding between the 500D*500D base fabric and the coating layer. This process control is what lets fabricators run HF or hot air welding with predictable seam behaviour.

Treatment Packages That Match the Specification Sheet

Flame retardant, UV resistance, and antibacterial treatments are available on request for this PVC coated tarpaulin roll. Each treatment is documented on the material specification sheet that ships with the order. If your project requires a specific fire classification for a public structure, confirm the applicable standard before production so the correct additive package is compounded into the coating [NEED_CITE: DIN 4102 fire classification for building materials].

How Base Fabric Density, Coating, and Welding Interact on the Shop Floor

The 500D denier means each yarn in both warp and weft carries a substantial fibre bundle, providing the backbone for tensile resistance. The 18*17 mesh count packs those yarns tightly, reducing the gap the coating must bridge and improving peel strength at the interface. HF welding works by exciting the PVC molecules at the seam — a tighter weave gives a more stable substrate, so the weld zone achieves strength close to the parent fabric. Hot air welding relies on the same coating chemistry but adds filler rod material, and the self-cleaning surface of this roll keeps contaminants away from the weld bead. Stitching remains viable for edges and hems where thermal seams are impractical, though needle holes in a 500D fabric require reinforcement tape to prevent tear initiation.

The Cost of Skipping Pre-Shipment Verification

Orders that arrive lighter than quoted force a choice between accepting sub-standard material and filing a claim that delays the project by weeks. Colour drift between rolls means installed panels show visible banding under sunlight, triggering rework across an entire tensile roof. When flame retardant claims lack supporting test reports, building inspectors reject the installation at the final walkthrough. These are not hypothetical — they are recurring friction points in coated fabric procurement [NEED_CITE: common field failures in PVC coated fabric installations].

Why Fabricators Source This PVC Coated Tarpaulin Roll from Jinxiang

Nearly 30 years focused on PVC coated fabric gives our team deep familiarity with how 500D*500D constructions behave through coating, welding, and long-term weathering. Three full production lines and 36 sets of professional equipment support bulk roll orders with reliable scheduling. A 10-person R&D team handles custom colour matching, width adjustments, and treatment formulation so specifications align with your project requirements. Dedicated QA/QC at every production stage with full pre-shipment inspection catches GSM deviations and colour drift before rolls leave the facility. Samples are developed within days, allowing you to verify hand feel, weld response, and colour accuracy before committing to a production run.

Documentation & Verification

• Material specification sheet confirming 500D500D base, 1817 weave, and coating type per roll
• UV and flame retardant test reports supplied where applicable to the selected treatment package
• Pre-shipment inspection record verifying roll weight against the quoted GSM
• Roll packing list detailing roll count, dimensions, and batch references for traceability
• ISO and CE certificates included with shipment documentation
• Certificate of origin and customs support provided for export orders

Fabrication, Handling & Storage

• HF welding on 500D*500D PVC rolls requires matched frequency and dwell time settings for full seam penetration
• Hot air seams on antibacterial-treated rolls need clean surfaces to maintain adhesion at the weld bead
• Store rolls upright on cores to prevent flat-spot deformation of the PVC coating layer
• Unroll in moderate temperatures to preserve flexibility and avoid cold-cracking at the fold
• Use mild, non-solvent cleaners on the self-cleaning surface to avoid damaging the anti-oxidation finish
• Reinforce stitch lines with PVC tape to distribute load across the 18*17 weave density

What to Include in Your Enquiry

To specify the right PVC coated tarpaulin roll for your application, share the end-use scenario and exposure conditions, the width and roll length your fabrication line accepts, and any fire classification or UV test standard your market requires. If you need a non-stock colour, provide a Pantone or RAL reference so we can develop a sample for your approval before production begins.

Frequently Asked Questions

Q: How is GSM verified on each roll before shipment?
A: Every roll is weighed and measured against the material specification sheet during pre-shipment inspection. The recorded GSM is logged on the inspection report that accompanies your shipment. If a roll falls outside tolerance, it is held for review before dispatch, so the PVC coated tarpaulin roll you receive matches the weight you ordered.

Q: Can you supply test reports for UV and fire retardant claims?
A: Yes. When your order includes UV stabilisation or flame retardant treatment, we provide the corresponding test report with the shipment documentation. The specific grade and test standard are confirmed during the specification stage so the report matches the compliance requirements of your destination market.

Q: How do you ensure colour consistency across multiple rolls in one order?
A: Colour is checked at multiple points during coating and again at pre-shipment inspection. Rolls from the same batch are compared side by side under standardised lighting. Any roll showing visible deviation from the approved colour reference is flagged and replaced before packing.

Q: What is the lead time and minimum on custom width or colour?
A: Custom widths and non-stock colours are produced on our dedicated lines with scheduling that accounts for colour changeover and cleaning cycles. Typical lead times vary with order volume and treatment complexity. Share your required width, roll length, and annual volume so we can confirm the minimum and delivery window.

Q: Which welding methods are compatible with this fabric?
A: The 500D*500D PVC coated tarpaulin roll supports HF welding, hot air welding, and sewing. HF produces clean, strong seams ideal for tensile panels. Hot air welding suits on-site repairs and complex geometries. Sewing is practical for hems and edge reinforcements, with tape applied over stitch lines to maintain waterproofing.