Technical Compliance Documentation — every roll of PVC tarpaulin pond liner ships with material specification sheets and test reports aligned to the fire-retardant or anti-UV grade confirmed at inquiry.
Technical Specifications
| Parameter | Value |
|---|---|
| Product Type | PVC Coated Tarpaulin |
| Material | PVC & Polyester Base Fabric |
| Thickness | 0.65mm |
| Yarn Count | 1000D*2000D |
| Weight Grade | 900 GSM |
| Density | 30*15 |
| Tensile Strength (Warp) | 3900 N |
| Tensile Strength (Weft/Pick) | 3500 N |
| Coating Material | PVC (double-sided) |
| Surface Finish | Smooth, soft, leather-like texture |
| Flame Retardant | Available in flame retardant grades — confirm the grade required for your market |
| Anti-UV | Available with anti-UV treatment — confirm test basis for your application |
| Repairability | Repairable by hot air welding |
| Certifications | ISO and CE |
Application Suitability
| Application | Exposure & Requirement |
|---|---|
| Fish pond liner | Permanent water immersion, soil chemistry, puncture from substrate irregularities, UV exposure on exposed edges |
| Aquaculture tank lining | Continuous water contact, biological load, cleaning chemical exposure, weld integrity under hydrostatic pressure |
| Water reservoir cover | Weather exposure, wind uplift stress, long-term UV degradation risk, seam water-tightness |
| Agricultural irrigation pond | Seasonal temperature cycling, algae and organic contact, mechanical abrasion from maintenance equipment |
What Fire-Retardant Certification Means for Specialist Pond and Membrane Structures
A flame-retardant claim without a named test standard leaves your project exposed at the inspection stage.
When sourcing PVC tarpaulin pond liner for commercial aquaculture or membrane containment, the site safety officer will ask for a test report tied to a specific standard — not a general statement on the data sheet. PVC coated tarpaulin for specialist application must carry documentation referencing DIN 4102, NFPA 701, or the local building code equivalent, depending on jurisdiction. Rolls arriving without this paperwork get rejected at the gate, regardless of how the material performs in practice. [NEED_CITE: fire classification standards for coated textile membrane structures]
Compliance Documentation That Travels With the Material
Every shipment of this PVC coated tarpaulin includes a documentation package matched to the grade confirmed at order stage. The material specification sheet states the GSM, base fabric denier, and coating weight per roll, so your receiving team can verify that what was quoted is what arrived. For projects requiring fire-retardant or anti-static performance, the test report cites the specific standard and classification achieved — eliminating guesswork during third-party inspection.
On-Site Weld Integrity for Water Containment
Hot air welding is the standard joining method for PVC pond liners, and the 0.65mm double-sided coated construction supports consistent weld bead formation across long seam runs. The 1000D×2000D polyester base fabric provides dimensional stability during heating, reducing the risk of substrate distortion at the weld zone. Properly executed, the welded seam achieves continuity with the parent material, which is critical where hydrostatic pressure concentrates at pond corners and drain penetrations. [NEED_CITE: hot air welding parameters for PVC coated polyester fabrics]
Decoding the Base Fabric and Coating Relationship
The 900 GSM weight grade of this PVC tarpaulin pond liner results from the combined mass of the 1000D×2000D polyester base fabric and the double-sided PVC coating applied to both faces. GSM alone does not determine strength — a heavy coating on a low-denier base will show high weight but lower tear resistance than a balanced construction like this 30×15 density weave. The warp tensile reading of 3900 N and weft reading of 3500 N reflect how the heavier 2000D weft yarns distribute load across the fabric plane. For pond liner applications, this balance matters because the material must resist both the sustained tension of water weight and the point loads from substrate contact. The smooth, leather-like surface finish also aids in cleaning and reduces algae adhesion compared to textured finishes.
The Cost of Undocumented Material Grades
Specifying PVC coated tarpaulin for a lined reservoir or aquaculture facility without locking down the fire-retardant grade in writing leads to costly rejections. The material may perform adequately, but without a test report referencing the applicable standard, the installation fails compliance review and the entire liner must be removed or retrofitted. Similarly, ordering anti-UV treatment without a stated test basis means there is no benchmark to verify performance after seasons of direct sun exposure on the pond surface. [NEED_CITE: coating adhesion failure at welded seams under sustained water load]
Batch-to-batch colour variation is another hidden cost when roll stock is sourced without a confirmed colour reference on the specification sheet. For visible pond edges or decorative water features, panels cut from different rolls can show noticeable tonal shifts once installed side by side, requiring sorting and selective placement that delays project completion.
Why Procurement Teams Specify This Fabric
Deep process control over coating weight and adhesion across three full production lines means the 900 GSM stated at quotation is verified again at pre-shipment inspection — no short-weight rolls reach the container. The 10-person R&D team develops custom-width samples within days, allowing you to confirm weld behaviour and colour match before committing to bulk yardage. Dedicated QA/QC at every production stage catches coating thickness deviation and base fabric tension faults inline, not after the roll is packed. Documentation is compiled per order, not pulled from a generic library, so test reports and certificates correspond to the exact grade and batch shipped.
Documentation & Verification
- Material specification sheet stating 900 GSM, 1000D×2000D base fabric, 0.65mm thickness, and colour reference per roll
- Fire-retardant test report citing the specific standard confirmed at inquiry stage
- Pre-shipment inspection record with weight verification against stated GSM before dispatch
- Roll packing list with batch traceability for multi-roll pond liner orders
- Certificate of origin and customs documentation for international project sites
Fabrication, Handling & Storage
- Hot air welding at temperatures suited to the 0.65mm PVC coating thickness — confirm parameters with test welds on scrap
- Store rolls upright on pallets to prevent flat-spotting and permanent creasing of the 900 GSM coated fabric
- Allow cold-stored rolls to acclimatise before unrolling to avoid coating micro-cracking at low temperatures
- Clean the smooth leather-like surface with mild detergent only — solvent-based cleaners may soften the PVC coating
- Cut panels with allowance for thermal expansion in large pond liner installations exposed to direct sunlight
- Protect exposed roll edges during transport to prevent nicking the double-sided PVC coating layer
Request a Project-Specific Quotation
Provide your pond or containment dimensions, the fire-retardant or anti-static grade required by your local authority, and the roll width that suits your fabrication setup. Confirm whether you need roll stock or cut-to-size panels with welded seams. A sample in your specified colour and treatment grade can be developed within days for weld testing and approval before production begins.
Frequently Asked Questions
Q: What fire-retardant grade can you supply and which test standard does it meet?
A: Fire-retardant treatment is available in multiple grades to match different market requirements. The specific grade and corresponding test standard — such as DIN 4102, NFPA 701, or M2 — must be confirmed at inquiry stage so the correct test report ships with your order. State your local compliance requirement when requesting a quotation.
Q: How do I verify the GSM and coating weight on arrival?
A: Each roll ships with a material specification sheet stating the confirmed 900 GSM, base fabric denier, and coating weight. Your receiving team can conduct a simple cut-and-weigh check against the documented values. The pre-shipment inspection record also records the verified weight per roll before dispatch.
Q: What hot air welding parameters are recommended for on-site seam repair?
A: Welding temperature, speed, and pressure depend on ambient conditions and the specific 0.65mm PVC coating formulation. We recommend running test welds on offcuts from your shipment to dial in parameters before joining production panels. Request our welding guidance note when placing your order.
Q: Can you supply material test reports for tensile and tear strength?
A: Test data for tensile strength — 3900 N warp and 3500 N weft — can be included with your shipment documentation. Specify the test standard required by your project engineer at inquiry stage so the report format matches your compliance submission requirements.
Q: Is anti-static treatment available with a measured surface resistance value?
A: Anti-static treatment is available for specialist containment applications where static discharge is a concern. The surface resistance value and test method must be confirmed at the quotation stage. Provide your project specification and we will match the treatment grade and supply the corresponding test report.
