Description
Consistent Roll Weight — every PVC coated pond liner roll undergoes in-process weight verification against the stated GSM before leaving the line, ensuring bulk aquaculture buyers receive the specification they ordered.
Technical Specifications
| Parameter | Value |
|---|---|
| Product Type | PVC Tarpaulin |
| Base Fabric Material | Polyester |
| Coating Material | PVC |
| Weight Options (GSM) | 350 / 400 / 420 / 500 / 600 / 650 / 750 / 900 |
| Base Fabric Denier Options | 500D×840D / 500D×1000D / 1000D×1000D / 1000D×1300D / 1300D×1300D / 1000D×2000D |
| Mesh Count Options | 30×19 / 20×20 / 30×15 |
| Total Thickness Range | 0.29 mm – 0.65 mm |
| Strong Warp | 1650 N – 3900 N (test standard not stated in source) |
| Strong Weft | 1600 N – 3500 N (test standard not stated in source) |
| Waterproof Performance | Water Resistant / Waterproof |
| Flame Retardant | Available in flame retardant grades — confirm the grade required for your market |
| UV Treatment | Anti-UV treatment available — confirm test basis for your application |
| Shape Options | Circular / Rectangular / Foldable |
| Key Features | Waterproof, Anti-UV, Flame Retardant options |
Application Suitability
| Application | Exposure & Requirement |
|---|---|
| Commercial fish pond lining | Permanent water contact, hydrostatic pressure, soil chemistry exposure, puncture risk from substrate |
| Aquaculture reservoir containment | Large surface area water retention, UV exposure on uncovered edges, long-term immersion stability |
| Agricultural water storage | Seasonal fill-and-drain cycles, sediment abrasion, livestock access near edges |
| Nursery and hatchery tanks | Controlled water chemistry, frequent cleaning, smooth surface required to protect stock |
| Distributor roll stock for regional farming | Batch consistency across multiple rolls, container-friendly packing, colour uniformity for resale |
When the Quoted GSM Does Not Match the Roll You Receive
Weight verification at every production stage is the only defence against underweight liner entering your supply chain.
For aquaculture operators and tarpaulin importers, ordering PVC tarpaulin fish pond liner roll stock at a specified weight only to find the delivered material lighter on arrival is a recurring sourcing failure. The liner feels thinner during deployment, weld seams behave differently from the approved sample, and the expected service life shortens under hydrostatic load. This gap between quoted and actual GSM is not a tolerance issue — it is a process control failure at the coating stage. [NEED_CITE: tensile and tear test methods for coated fabrics per ISO 1421]
Each roll in this range is produced under staged QA with weight checks against the specification sheet before packing, so the 650 GSM grade on your purchase order is the 650 GSM grade you measure on receipt.
Bulk Roll Consistency for Aquaculture Procurement
When lining a series of ponds across a single site, roll-to-roll variation in weight or colour becomes visible the moment adjacent panels are heat-welded together. This PVC tarpaulin fish pond liner range is produced across three full coating lines with in-process weight monitoring, targeting uniform GSM from the first roll to the last within a batch. Wholesale buyers stocking multiple grades benefit from this consistency because downstream customers receive predictable material behaviour during fabrication and installation.
Grade Selection Across Pond Depth and Exposure
Shallow nursery tanks do not need the same fabric construction as deep grow-out ponds under full hydrostatic head. The available GSM range from 350 to 900, paired with denier options from 500D×840D up to 1000D×2000D, lets buyers match liner weight to water depth and substrate conditions. Lighter grades suit temporary or lined-frame tanks, while heavier constructions with higher tensile values address permanent earth-bottom ponds where puncture and sustained load are primary concerns.
How Denier, Mesh Count and Coating Weight Interact
The base fabric denier and mesh count determine how much PVC the weave can hold and how the load distributes across warp and weft. A 1000D×1000D fabric at 20×20 mesh provides a heavier yarn structure that resists tear propagation, while a 500D×840D at 30×19 offers a tighter weave for smoother surface finish at lighter weights. Coating thickness, reflected in the total thickness measurement, adds waterproofing and weld-ability but also stiffness — a factor when deploying foldable pond formats on uneven ground. [NEED_CITE: relationship between base fabric construction and coated fabric tensile performance]
The Cost of Ordering Liner Without Verified Specification Documentation
Receiving a container of pond liner rolls without a material specification sheet means the buyer has no baseline to test against on arrival. Underweight material discovered after deployment requires full removal, disposal and re-ordering — a cost that far exceeds the unit price difference. Weld parameters set for a sample made at correct GSM will underperform on lighter material, and seam failures appear at the flex points where the pond wall meets the floor. Colour variation between rolls from an uncontrolled batch forces visible patchwork in lined ponds, particularly damaging for distributors reselling to farm operators. [NEED_CITE: common failure modes in PVC coated fabric welding at inconsistent material weight]
Why Wholesale Buyers Source This Range Here
Nearly thirty years of coated fabric production provides the process depth needed to hold GSM tolerance across long roll runs. Three full production lines and thirty-six sets of professional equipment support the volume required for container-load pond liner orders. A ten-person R&D team handles custom width, colour matching and sample development so buyers can verify material before committing to bulk. Dedicated QA at every stage means weight, coating adhesion and visual quality are checked before packing rather than sampled after the fact.
Documentation & Verification
- Material specification sheet stating exact GSM, denier, mesh count and coating weight for each roll grade ordered
- Pre-shipment inspection record covering weight verification and visual check per roll before dispatch
- Roll packing list with individual roll count, net weight and container loading plan for receipt verification
- Certificate of origin and customs documentation prepared for international bulk shipment
- Test documentation for anti-UV and flame retardant grades supplied where applicable to the ordered specification
Fabrication, Handling & Storage
- Heat-weld temperature and dwell time must be set to the specific GSM grade — 350 GSM and 900 GSM require different parameters
- Store rolls horizontally on pallets to prevent edge creasing that becomes permanent on heavier grades above 650 GSM
- Allow folded pond liners to acclimatise and relax before deployment, particularly in cooler conditions where PVC stiffens
- Cut panels with allowance for hem and weld overlap, planning layout to minimise off-cuts on wide roll stock
- Use compatible PVC adhesive or hot-air welding for field repairs on punctures, matching repair patch weight to the installed grade
Planning Your Pond Liner Order
To specify the right grade, share your pond dimensions, water depth, substrate type and whether the liner will be earth-bottom or frame-supported. Confirm the target GSM, required roll width and whether you need circular pre-cut formats or continuous roll for on-site fabrication. If your market requires flame retardant or anti-UV certification, state the applicable standard so the correct grade is selected and documented before production begins.
Frequently Asked Questions
Q: How is GSM verified on arrival and what documentation accompanies each roll batch?
A: Each roll undergoes weight checking during production against the stated GSM on the material specification sheet. A pre-shipment inspection record is provided before dispatch, and the roll packing list details individual roll weights so buyers can verify on receipt that the PVC tarpaulin fish pond liner roll stock matches the ordered specification without guesswork.
Q: What roll widths and lengths are available, and can custom widths be ordered?
A: Standard widths are available across the range, and custom widths can be developed through the R&D team for buyers who need specific dimensions to reduce on-site cutting waste. Lead times for custom widths depend on current line scheduling, and sample rolls are produced for approval before the full batch is committed to production.
Q: How do you ensure colour consistency across multiple rolls in the same pond liner order?
A: Colour matching is controlled at the coating stage with in-process checks across the production run. All rolls within a single order are scheduled together where possible to maintain batch consistency, reducing the risk of visible variation when adjacent panels are installed side by side in a pond or reservoir lining project.
Q: How are rolls packed for container loading and what protection is provided during ocean freight?
A: Rolls are packed in roll packing, bale packing or carton format depending on the grade and buyer preference. A container loading plan is provided with the packing list showing roll count and weight distribution, and outer packing is selected to protect edges and coating surfaces during transit to international wholesale destinations.
Q: What are the minimum order quantities and lead times for bulk roll stock pond liner purchases?
A: Minimum quantities depend on the specific GSM grade and whether the order is standard or custom width. Typical multi-week lead times apply for bulk roll stock, with sample development completed within days for buyers who need to verify material before placing the full container order. Contact the sales team with your grade and volume requirements for a confirmed schedule.
