Description
Roll Stock Reliability — PVC coated tarpaulin roll wholesale across eight weight grades with verified GSM and batch-to-batch colour consistency before container loading.
Technical Specifications
| Parameter | Value |
|---|---|
| Product Type | PVC Tarpaulin Roll for Fish Pond Lining |
| Base Fabric Yarn Count | 500D×840D / 500D×1000D / 1000D×1000D / 1000D×1300D / 1300D×1300D / 1000D×2000D |
| Weight Range (GSM) | 350 / 400 / 420 / 500 / 600 / 650 / 750 / 900 |
| Total Thickness | 0.29 mm – 0.65 mm |
| Mesh Count | 30×19 / 20×20 / 30×15 depending on grade |
| Tensile Strength Warp | 1650 N (350 GSM) – 3900 N (900 GSM) (test basis not stated) |
| Tensile Strength Weft | 1600 N (350 GSM) – 3500 N (900 GSM) (test basis not stated) |
| Coating Material | Double-sided PVC on polyester base |
| Surface Finish | Smooth, leather-like |
| Key Features | Water resistant; available in flame retardant grades — confirm the grade required for your market; available in anti-UV grades — confirm test standard for your application |
| Color | Customizable per order |
| Printing Option | Custom brand printing available |
| Package | Roll packing, bale packing, carton |
Application Suitability
| Application | Exposure & Requirement |
|---|---|
| Fish pond lining | Permanent water immersion, soil chemistry contact, puncture risk from substrate and aquatic activity |
| Aquaculture tanks | Continuous water pressure at seams, UV exposure on uncovered edges, cleaning chemical contact |
| Agricultural reservoirs | Long-term weathering, freeze-thaw cycles, heavy water column load on liner |
| Water containment bunds | Flex stress at fold lines, abrasion from temporary deployment and retrieval |
When "Anti-UV PVC Tarpaulin Roll Bulk" Arrives Without Proof
Ask for the test report before you load the container.
Buyers ordering PVC coated tarpaulin roll wholesale routinely see anti-UV or flame-retardant treatment stated on the quotation but absent from the shipping documentation. For fish pond and aquaculture applications, the liner sits in direct sunlight for years — if the UV stabiliser package was never added at the coating stage, the PVC surface chalks and becomes brittle long before the fabric reaches its expected service life [NEED_CITE: accelerated weathering test methods for PVC coated fabrics per ISO 4892]. Wholesale buyers who accept a generic "anti-UV" claim without a referenced test standard end up absorbing replacement cost and freight on the next order.
Roll-to-Roll GSM Verification Across a Shipment
When sourcing PVC coated tarpaulin roll bulk, the weight stated on the proforma invoice must match what arrives at the warehouse. Each grade in this range — from 350 GSM through 900 GSM — carries a distinct base fabric denier and coating weight that determines how the material performs under water pressure in pond applications. A roll that lands 30 GSM below the quoted figure has less PVC coating mass on the polyester base, which directly reduces puncture resistance where the liner rests against compacted soil or gravel substrate. Pre-shipment sampling from multiple rolls across the order catches these deviations before the container leaves the factory.
Colour Consistency When Rolls Are Laid Side by Side
A pond liner spanning a large surface area may require four or more rolls installed with overlapping welded seams. If colour varies between rolls within the same PVC tarpaulin roll bulk shipment, the differences become immediately visible once the liner is deployed and filled with water. This batch-to-batch colour drift usually traces back to inconsistent pigment loading during the coating stage or to rolls pulled from different production runs [NEED_CITE: colour fastness evaluation methods for coated fabrics per ISO 105 series]. Buyers specifying a single colour for an aquaculture facility should request that all rolls for one order be drawn from a matched production batch.
How Denier and Mesh Count Define Pond Liner Performance
The base fabric denier progresses from 500D×840D at the lighter end of this PVC coated tarpaulin roll wholesale range up to 1000D×2000D at 900 GSM. Heavier denier yarns provide greater individual filament strength, while the mesh count — 30×19, 20×20, or 30×15 — describes how many yarns per unit length run in warp and weft directions. A tighter mesh with heavier denier yarns yields higher tensile values, with warp strength reaching 3900 N at the 900 GSM grade. For fish pond lining, the liner must resist tensile stress where water weight pulls the material against the pond walls and floor; selecting a grade with adequate tensile capacity prevents stretching and thinning at these stress points.
Double-Sided PVC Coating and Welded Seam Integrity
This PVC tarpaulin roll for fish pond lining uses double-sided PVC coating on a polyester base, creating a smooth, leather-like surface on both faces. Double-sided coating matters for aquaculture applications because the liner must be sealed by hot-air welding at overlap joints — the heat fuses PVC from one roll to the next, forming a homogeneous bond. If the coating weight is uneven between the two sides, the weld can fail at the seam before the body of the fabric does [NEED_CITE: hot-air weld strength testing for PVC coated fabrics per relevant ISO standard]. Consistent coating weight across each roll ensures that welding parameters remain stable throughout installation.
The Real Cost of Ordering the Wrong Grade by Roll
A common failure pattern in pond liner projects traces back to selecting a GSM grade based on price per roll rather than on the actual water column pressure the liner must hold. A 350 GSM roll laid over rocky substrate will puncture far more readily than a 650 GSM or 750 GSM grade because the thinner coating provides less cushion between the base fabric and sharp contact points. Similarly, choosing a grade without considering weld seam requirements leads to field rework — if the coating is too thin to accept a reliable hot-air weld, installers must resort to adhesive bonding, which introduces its own failure modes under prolonged water immersion [NEED_CITE: common failure modes in geomembrane liner installations]. These problems compound when the shortfall is discovered only after the pond has been filled.
Why Distributors Source PVC Coated Tarpaulin Roll Wholesale Here
Three full production lines and 36 sets of professional equipment allow bulk orders across multiple GSM grades to be scheduled without extended delays between weight changes. A 10-person R&D team develops custom width and colour samples within days, supporting distributors who need to offer regional customers options beyond standard stock widths. Dedicated QA/QC runs at every production stage — from base fabric inspection through coating weight verification — with 100% inspection completed before rolls are cleared for dispatch. ISO and CE certified production gives wholesale buyers the compliance documentation needed for cross-border container shipments. Roll packing lists detail individual roll dimensions and net/gross weight so that container loading plans can be finalised before the truck arrives at the port.
Documentation & Verification
- Material specification sheet stating GSM, base fabric denier, coating material and colour reference per roll batch
- Weight verification per roll against the stated GSM before dispatch
- Test report for UV and flame-retardant grades where applicable, referencing the standard used
- Pre-shipment inspection record confirming roll-to-roll colour and coating consistency
- Roll packing list with roll count, individual dimensions and net/gross weight for customs clearance
- Certificate of origin and customs documentation support for cross-border wholesale shipments
Fabrication, Handling & Storage
- Hot-air weld parameters should be set based on the specific GSM grade — thicker coatings on 750 and 900 GSM rolls require higher heat input
- Store PVC tarpaulin rolls upright on end-caps to prevent flat-spot deformation on the coating surface
- When unrolling in cold conditions, allow the double-sided PVC coating to warm before flexing to avoid surface cracking
- Clean pond liner surfaces with pH-neutral agents to preserve the smooth PVC coating finish
- Plan cut patterns to minimise transverse welds in the pond floor where water pressure concentrates
What to Include With Your Enquiry
Specify the pond dimensions and water depth so that the appropriate GSM grade and tensile requirement can be matched from the available range. Indicate the roll width and length you need, along with any colour or custom brand printing requirements for your market. Confirm whether your destination market requires flame-retardant or anti-UV treatment and, if so, which test standard applies. State your target container load quantity so that roll count and packing configuration can be planned accordingly.
Frequently Asked Questions
Q: How is GSM verified when PVC coated tarpaulin rolls arrive?
A: Each roll batch is accompanied by a material specification sheet stating the quoted GSM, base fabric denier and coating material. Pre-shipment inspection records confirm that roll weight was measured against the stated value before the container was sealed. Buyers can cross-check weight on arrival using the roll dimensions and GSM stated on the packing list.
Q: How do you control colour consistency across multiple rolls?
A: Rolls within a single PVC coated tarpaulin roll wholesale order are drawn from matched production batches where pigment loading and coating parameters are held constant. A pre-shipment inspection record documents roll-to-roll colour comparison before dispatch, reducing the risk of visible variation once the liner is installed across a large pond surface.
Q: What roll packing dimensions should I plan for in container loading?
A: Roll outer dimensions vary by GSM grade — lighter grades such as 350 GSM pack smaller than the heavier 750 or 900 GSM rolls. The roll packing list provided with each shipment lists individual roll dimensions, roll count and gross weight so that container loading plans can be confirmed before dispatch.
Q: Is custom width or brand printing available on roll stock?
A: Custom widths and lengths are available for pond projects requiring specific dimensions, and custom brand printing can be applied to roll stock. Sample development is completed within days so that colour, print placement and material grade can be approved before bulk production begins.
Q: What documentation ships with bulk roll orders?
A: Bulk PVC tarpaulin roll bulk shipments include a material specification sheet, pre-shipment inspection record, roll packing list with individual roll data, certificate of origin and any applicable test reports for UV or flame-retardant grades. Customs documentation support is provided for cross-border wholesale deliveries.
