Description
Batch Consistency — Every roll of PVC tarpaulin fish pond liner ships with a verified coating weight record, ensuring the GSM on the arrival matches the quotation across three in-process controlled production lines.
Technical Specifications
| Parameter | Value |
|---|---|
| Product Type | PVC Tarpaulin Fish Pond Liner |
| Material Construction | Double-sided PVC coating on polyester base fabric |
| Yarn Count Options | 500D×840D / 500D×1000D / 1000D×1000D / 1000D×1300D / 1300D×1300D / 1000D×2000D |
| Mesh Density | 20×20 / 30×15 / 30×19 (varies by grade) |
| Weight Range (GSM) | 350 / 400 / 420 / 500 / 600 / 650 / 750 / 900 g/m² (confirm grade for application) |
| Thickness Range | 0.29 mm / 0.32 mm / 0.38 mm / 0.44 mm / 0.46 mm / 0.55 mm / 0.65 mm |
| Tensile Strength (Warp) | 1650 N – 3900 N (depends on grade, test basis not stated) |
| Tensile Strength (Weft) | 1600 N – 3500 N (depends on grade, test basis not stated) |
| Waterproof | Yes |
| Flame Retardant | Available in flame retardant grades — confirm the grade required for your market |
| UV Treatment | Available with anti-UV treatment — request test report for your climate zone |
| Surface | Smooth, leather-like texture |
| Shape Compatibility | Circular, Rectangular, Foldable pond configurations |
| Custom Options | Width, length, colour and printing available on request |
Application Suitability
| Application | Exposure & Requirement |
|---|---|
| Commercial fish farming ponds | Permanent water immersion, soil chemistry contact, puncture risk from substrate |
| Hatchery and nursery tanks | Contained water volumes, frequent cleaning, bio-security washdowns |
| Agricultural reservoir liners | Seasonal UV exposure, wind-driven abrasion against embankments |
| Aquaculture distributor stock | Roll-to-roll batch consistency for regional fabrication and resale |
| Water containment for field irrigation | Fold-out deployment, drag abrasion during installation |
Why Roll-to-Roll Consistency Matters More Than Stated GSM
A quoted GSM is meaningless if the weight varies between rolls in the same container.
When importing PVC tarpaulin fish pond liner by the roll, fabricators often discover that one roll welds cleanly at a given hot-air temperature while the next burns through or delaminates. This variance points to inconsistent coating weight across the batch, not a problem with the welding crew. The result is scrapped material, re-welded seams that fail under water pressure, and complaints from end users who blame the fabric. Sourcing teams then spend weeks reconciling invoices against actual weights, only to find the supplier’s quality documentation was never tied to specific roll numbers. [NEED_CITE: coating weight variance effects on hot-air welding parameters for PVC coated fabrics]
Container-Load Planning for Aquaculture Distributors
Buying PVC tarpaulin fish pond liner in volume requires a clear loading plan that accounts for roll diameter, weight per linear metre, and the internal dimensions of the container. Heavier GSM grades reduce the number of rolls per twenty-foot unit, which changes the landed cost per square metre. We provide a roll packing list before dispatch so buyers can calculate exactly how many rolls of each grade fit, avoiding half-empty containers or overweight fines at port.
Batch Colour Matching Across the Shipment
Aquaculture operators lining multiple ponds on one site expect uniform colour when sheets are welded side by side. Any visible shade difference between adjacent rolls reflects poor pigment dispersion or inconsistent coating thickness during production. Our in-process QA checks colour reference at every coating stage, so the PVC tarpaulin fish pond liner rolls in a single order arrive with matched colour — confirmed on the pre-shipment inspection record before loading. [NEED_CITE: pigment dispersion standards for PVC coated fabric batches]
Reading Denier, Density and GSM Together
The base fabric denier and mesh count determine how load transfers through the weave, while the coating weight fills the gaps and provides the waterproof barrier. A 1000D×1000D fabric at 30×19 density carries tensile loads across more yarns per centimetre than a 500D×840D at 20×20, which is why heavier denier constructions show higher warp and weft tensile values. GSM alone tells you how much PVC is on the fabric, but not how that PVC is distributed over the base weave. A lighter denier with high coating weight may feel thick yet tear easily along a single yarn line, whereas a balanced denier-density combination resists tear propagation even at a lower total GSM.
The Hidden Cost of Specifying the Wrong Grade
Choosing a PVC tarpaulin fish pond liner grade that is too light for the pond depth leads to punctures from substrate stones and seam separation under hydrostatic pressure. Conversely, over-specifying GSM for shallow nursery tanks inflates material cost and makes the liner harder to fold and deploy in cold weather. Colour variance between rolls forces fabricators to cut around mismatched sections, increasing waste. When flame retardant or anti-UV treatment is claimed without a supporting test report, the buyer carries the compliance risk if local inspectors ask for documentation on site. [NEED_CITE: hydrostatic pressure calculations for lined aquaculture ponds]
What Volume Buyers Get From This Supply Line
Our three full production lines handle bulk PVC tarpaulin fish pond liner orders with consistent output scheduling, so container-load quantities ship on time rather than stacking up against seasonal demand. The ten-person R&D team develops custom width and colour samples within days, letting distributors test market response before committing to a full production run. Dedicated QA checks coating weight, colour and tensile properties at each stage, with 100% pre-shipment inspection recorded roll by roll. Export documentation, including certificate of origin and customs paperwork, is prepared for each destination market. Hot-air welding compatibility is verified during sample development so fabricators know the correct temperature range before the bulk order arrives.
Documentation & Verification
- Material specification sheet confirming exact GSM, denier and coating weight per roll
- Pre-shipment inspection record with weight verification against quoted specification
- Roll packing list detailing roll count, net weight and cubic volume for container loading
- Test reports for anti-UV and flame retardant grades where applicable to your market
- Certificate of origin and customs documentation for import clearance in destination country
Fabrication, Handling & Storage
- Hot-air welding temperature must be matched to the specific GSM grade to avoid coating burn-through
- Store rolls horizontally on pallets to prevent edge compression marks on the PVC coating
- Unroll in ambient temperatures above 5 °C to prevent creasing of heavier denier constructions
- Avoid dragging the coated surface over sharp substrate stones during pond deployment
- Field repairs on punctures use the same PVC-coated material, hot-air welded at matching temperature
- Plan cut patterns around standard roll widths to minimise welded seams in circular pond layouts
What We Need to Quote Your Roll Order
Provide the target GSM grade or the pond depth and water volume so we can recommend the correct denier and weight combination. Confirm the roll width and length you need for your container loading plan, along with colour reference and any custom printing requirements. If your market requires flame retardant or anti-UV certification, specify the standard so we include the matching test report with the shipment.
Frequently Asked Questions
Q: What GSM grade should I stock for a typical commercial fish pond?
A: Commercial fish ponds generally require mid-to-heavy GSM grades depending on depth and substrate conditions. Shallow nursery tanks often use lighter grades for easier folding, while deeper grow-out ponds need heavier denier constructions to resist hydrostatic pressure and puncture. Share your pond dimensions and we will recommend the grade that balances durability with handling weight.
Q: How do you ensure colour consistency across multiple rolls?
A: Colour is checked at every coating stage through our in-process QA system, and the reference is recorded on the pre-shipment inspection document. All rolls in a single order are produced from the same pigment batch, so sheets welded side by side on site show no visible shade difference.
Q: Can I order custom widths to avoid field welding on large circular ponds?
A: Custom widths are available with minimum order quantities that depend on the GSM grade and colour selected. Wider rolls reduce the number of field welds needed for large circular or rectangular ponds, improving containment integrity. We will confirm the achievable width and lead time once you specify the grade.
Q: What test documentation comes with anti-UV or flame retardant rolls?
A: Rolls specified with anti-UV or flame retardant treatment ship with a test report confirming the treatment level. Specify the standard required by your local regulations when placing the order, and we will match the grade and include the corresponding documentation with the shipment.
Q: How is container loading calculated for roll stock orders?
A: We provide a roll packing list before dispatch showing roll count, individual roll weight and total cubic volume. This lets you plan whether a twenty-foot or forty-foot container is more cost-effective for the GSM grades and quantities you are ordering.
