Coated Fabric Depth — Nearly 30 years focused on PVC coating technology delivers process control over adhesion and weight consistency for aquaculture-grade pond liners.
Technical Specifications
| Parameter | Value |
|---|---|
| Product Type | PVC Coated Tarpaulin Roll |
| Weight (GSM) | 550gsm |
| Total Thickness | 0.45mm |
| Color | Black |
| Coating Material | PVC |
| Denier Options | 200DX300D, 500DX500D, 840DX840D, 1000DX1000D |
| Size Options | 3x4m, 6x8m, 8x10m, 10x12m or custom made |
| Surface Finish | Available in glossy or matte |
| Temperature Range | -15ºC to 70ºC |
| Treatment | Waterproof, UV, FR and anti fungal treated (grade not stated for FR; test basis not stated for UV) |
| Working Life | 3-10 years depending on usage environment |
| Environment | Eco-friendly |
| Standards | ISO, CE |
Application Suitability
| Application | Exposure & Requirement |
|---|---|
| Commercial fish farming pond lining | Permanent water immersion, soil chemistry contact, puncture risk from substrate debris |
| Aquaculture water containment systems | Continuous hydrostatic pressure, biofouling exposure, anti-fungal surface requirement |
| Agricultural reservoir and irrigation ponds | UV exposure, seasonal temperature cycling, mechanical stress from water level fluctuation |
| Fish tank covers | Overhead UV and weather exposure, condensation, lightweight flexibility needed for handling |
What GSM Verification Means for Pond Liner Procurement
A stated GSM on the quotation must be confirmed on the roll that arrives at your site.
Pond liner failures in aquaculture rarely happen in the middle of the fabric — they start where the material is thinnest or where the coating adhesion is weakest. When a PVC coated tarpaulin roll for pond liner applications arrives lighter than specified, the liner cannot sustain hydrostatic pressure at depth, and seams become the first failure point. Buyers who skip incoming weight verification accept risk that compounds with every cubic meter of water the pond holds [NEED_CITE: GSM verification methods for coated fabric incoming inspection].
Coating Integrity Under Continuous Water Contact
A pond liner operates in an environment no other coated fabric application demands: full submersion for months or years at a time. The PVC coating on this PVC coated tarpaulin roll for pond liner use must maintain adhesion to the base fabric despite constant moisture penetration attempts at cut edges and welded seams. Coating weight and the bond between PVC and the polyester scrim determine whether the liner survives its first season or delaminates under biological and chemical stress from the water body.
Anti-Fungal Performance in Aquatic Environments
Fish farming ponds accumulate organic matter, algae, and microbial colonies on submerged surfaces. Anti-fungal treatment on the PVC coating slows biological degradation that would otherwise break down the coating surface and reduce waterproof integrity over time. When specifying this PVC coated tarpaulin roll for pond liner projects, request the test basis for anti-fungal claims — the treatment must remain effective through continuous immersion, not just surface contact [NEED_CITE: anti-fungal treatment durability testing for submerged coated fabrics].
Reading the Specification Sheet Beyond Weight
The 550gsm weight and 0.45mm thickness together describe how much PVC is applied to the base fabric, but denier selection determines the mechanical backbone of the liner. A 1000DX1000D base fabric resists tear propagation far more effectively than a 200DX300D scrim at the same coating weight, which matters when substrate stones or root structures push against the liner from below. The temperature range of -15ºC to 70ºC defines the operational boundary: below the lower limit, PVC stiffens and becomes brittle during installation in cold climates, while sustained heat near the upper boundary softens the coating and reduces puncture resistance. For pond installations, the interplay between denier grade, coating thickness, and site temperature determines which roll specification actually performs in the ground.
The Cost of Specifying on Price Per Square Meter Alone
When procurement decisions rest on the lowest square-meter cost, the PVC coating weight often absorbs the margin. A roll that arrives at 480gsm instead of the quoted 550gsm saves money on paper but delivers a liner that thins at high-stress points — corners, inlet penetrations, and welded joins. In aquaculture, a liner failure means draining the pond, losing stock, and replacing the entire membrane. Colour variation between rolls in the same delivery also signals inconsistent coating weight, which becomes visible when panels are welded side by side during installation [NEED_CITE: coating weight variance and seam failure correlation in PVC pond liners].
Why Aquaculture Buyers Source This PVC Coated Tarpaulin Roll Here
Dedicated QA and QC inspection at every production stage means the 550gsm coating weight is verified before the roll leaves the line, not just stated on the invoice. Three full production lines with 36 sets of professional equipment support bulk roll orders with consistent thickness across the batch — critical when multiple rolls must weld together for large pond coverage. The 10-person R&D team develops samples within days for custom width, denier, or treatment requirements, allowing buyers to confirm fit before committing to production volume. Pre-shipment inspection covers 100 percent of rolls, catching GSM deviation and surface defects before they reach the port.
Documentation & Verification
- Material specification sheet confirming 550gsm weight, 0.45mm thickness, and PVC coating composition per roll
- Test report for waterproof rating and anti-fungal treatment effectiveness available on request
- Pre-shipment inspection record documenting roll-by-roll weight and visual check
- Roll packing list with dimensions, net weight, and roll count for container loading verification
- ISO and CE certificates covering the production facility and coated fabric output
Fabrication, Handling & Storage
- Heat-weld seams at temperatures matched to 0.45mm PVC coating thickness to ensure bond strength exceeds fabric tear strength
- Store rolls upright on pallets to prevent flat-spot compression marks on the 550gsm coated surface
- Unroll in ambient temperatures above 5ºC to avoid creasing or cracking the PVC coating during cold-weather installation
- Use compatible PVC adhesive for field repairs on punctures, matching coating chemistry for lasting bond
- Plan panel layout from available roll widths to minimize welded seams across the pond floor
Requesting a Quotation for Your Pond Project
Provide the pond dimensions, depth, and substrate conditions so we can recommend the appropriate denier grade and confirm roll width availability for your layout. Specify whether you need the material in roll form for site welding or pre-cut panels with finished edges. If your market requires documented UV or flame-retardant treatment, state the standard your project must meet so we can supply the matching test report with your shipment.
Frequently Asked Questions
Q: How can I verify the GSM weight of the pond liner rolls on delivery?
A: Use a calibrated digital scale and a template cutter to weigh a known-area sample from each roll. Compare the result against the 550gsm stated on the material specification sheet. Jinxiang Tech conducts weight verification at every production stage and provides a pre-shipment inspection record with roll-by-roll data so you can cross-check before the container leaves the facility.
Q: Does anti-fungal treatment remain effective under permanent submersion?
A: Anti-fungal additives are compounded into the PVC coating to inhibit microbial growth on submerged surfaces. The treatment longevity depends on water chemistry and organic load. Request the test report for anti-fungal performance to confirm suitability for your specific aquaculture environment before placing a bulk order.
Q: How do welded seams hold up under continuous hydrostatic pressure?
A: Properly heat-welded seams on this 550gsm PVC coated fabric can achieve bond strength equal to or exceeding the base fabric tear strength. Welding temperature and dwell time must match the 0.45mm coating thickness. We recommend test welds on sample pieces before full installation to dial in the correct parameters for your welding equipment.
Q: What roll widths are available for large pond coverage?
A: Standard and custom widths are available to minimize the number of welded seams required across your pond floor. Provide your pond dimensions and preferred panel layout so we can confirm the most efficient roll width and length, reducing material waste and installation labour on site.
Q: Which denier grade should I choose for my pond depth?
A: Deeper ponds exert greater hydrostatic pressure and require higher denier base fabric to resist tear propagation under load. Options range from 200DX300D for shallow containment to 1000DX1000D for deep commercial ponds. Share your maximum water depth and substrate conditions so we can recommend the correct denier matched to the 550gsm PVC coating weight.
