Description
Roll-to-Roll Consistency — Production control over coating weight and colour matching ensures every roll in your shipment meets the quoted GSM and visual specification.
Technical Specifications
| Parameter | Value |
|---|---|
| Product Type | PVC pond liner aftermarket supplier |
| Material | PVC + High-strength polyester mesh fabric |
| Weight (GSM) | 350gsm / 420gsm / 500gsm / 550gsm / 600gsm / 750gsm (confirm grade for your application) |
| Total Thickness | 0.32mm / 0.35mm / 0.4mm / 0.45mm / 0.5mm / 0.65mm (confirm grade for your application) |
| Coating Method | Laminated technology & Hot-melt coating technology |
| Roll Width | 2m / 2.1m |
| Roll Length | 75m / 50m |
| Colour Options | Blue / Red / Yellow / Light blue / Grey (customised colours available) |
| Key Features | Cold crack resistance, anti-mildew treatment, waterproof, sunproof treatment, anti-static treatment |
| Flame Retardant | Special treatment available — confirm the grade required for your market |
| Certifications | ISO, CE |
Application Suitability
| Application | Exposure & Requirement |
|---|---|
| Fish pond and aquaculture lining | Permanent water immersion, soil chemistry contact, puncture from substrate, UV exposure on exposed edges |
| Irrigation reservoir and water storage | Standing water, weather cycling, ground settlement stress, abrasion from sediment |
| Hatchery and tank lining | Constant water contact, cleaning chemical exposure, frequent draining and refilling |
| Tarpaulin distributor roll stock resale | Cut-to-size retail, multiple grade inventory, batch colour consistency for shelf display |
| Tent cover and awning fabrication | Weather exposure, tension loading at attachment points, folding and transport abrasion |
Why Roll-to-Roll Colour and Weight Variance Destroys Liner Projects
Consistent GSM and colour across every roll in a single shipment is what separates usable pond liner stock from a costly write-off.
When you are lining a commercial aquaculture pond or supplying cut-to-size liner to retail buyers, a roll that arrives lighter than quoted or visibly different in shade from the one installed next to it creates immediate problems. Buyers have reported orders where the material weight fell short of the quotation, with no way to verify until the container was opened and weighed. Colour drift between rolls in the same batch becomes visible the moment two panels are welded side by side on the pond floor [NEED_CITE: batch colour variation in coated fabric production runs]. For wholesale buyers purchasing by the container load, this kind of inconsistency does not just delay one project — it damages relationships with your own customers downstream.
Coating Adhesion and Seam Integrity for Pond Liner Fabrication
The laminated and hot-melt coating technology used in this PVC coated tarpaulin roll range delivers strong adhesion between the PVC layer and the high-strength polyester mesh base fabric. For pond liner applications, this adhesion is critical because heat-welded seams must hold under constant hydrostatic pressure without delaminating. When the coating bonds fully to the mesh, the weld zone achieves tearing strength that approaches the body fabric itself, reducing the risk that seams fail before the liner material does. This matters most at the pond edges where water pressure concentrates and where installers fold and anchor the liner into trench systems.
Container Loading and Roll Dimensions for Wholesale Efficiency
Standard roll sizes of 2m × 75m and 2.1m × 50m are structured for efficient container loading by roll count and weight. For tarpaulin distributors and importers stocking multiple grades for regional resale, these dimensions determine how many linear metres fit in a 20-foot or 40-foot container and how that translates to your landed cost per square metre. The availability of multiple weight grades — from 350gsm through to 750gsm — means you can consolidate light-duty pond liner and heavy-duty reservoir liner into one shipment, reducing freight complexity [NEED_CITE: container loading optimisation for coated fabric rolls by GSM and roll diameter].
How GSM, Base Fabric and Coating Weight Interact in Pond Liner Selection
The stated GSM of a PVC pond liner is the combined weight of the polyester mesh and both sides of PVC coating, and it cannot be evaluated alone. A 550gsm fabric with a tighter mesh weave and thinner coating may outperform a 550gsm fabric with a loose mesh and heavy coating fill when it comes to tear propagation resistance. The base fabric denier and yarn count determine how the liner resists puncture from sharp substrate rocks and how it behaves when folded during installation. Hot-melt coating tends to produce better adhesion and weld strength compared to simple laminating, which directly affects whether heat-welded pond seams hold long-term. Roll width selection between 2m and 2.1m determines how many welded seams are needed to cover a given pond area — fewer seams mean fewer potential failure points and faster installation on site.
The Hidden Cost of Specifying Pond Liner on Price per Kilogram Alone
When a pond liner order is awarded purely on the lowest cost per kilogram, the material that arrives may achieve that price point through reduced coating weight or a lighter base mesh — both of which compromise long-term waterproof integrity. Rolls that are underweight compared to the quotation create thinner weld zones that split under water pressure. Colour inconsistency across a large order forces installers to sort and segregate rolls before welding, adding labour and delaying project handover. Anti-mildew or sunproof treatments claimed on paper without supporting test documentation leave you exposed when liner degradation appears earlier than expected on the exposed pond edges [NEED_CITE: common failure modes in PVC pond liner installations related to material specification gaps]. These costs surface at the job site, long after the purchase order is closed.
Why Wholesale Buyers Source This Range Here
Three full production lines with 36 sets of professional equipment provide the capacity to fulfil container-load orders across multiple GSM grades without splitting your shipment across different production windows. A dedicated 10-person R&D team handles custom colour matching and sample development, with samples turned around within days rather than weeks so you can confirm shade and weight before committing to the full order. Every roll undergoes 100% pre-shipment inspection with weight verification against the stated specification — not a sampling protocol that misses underweight rolls. The coating process control built over nearly 30 years of focused production ensures that batch-to-batch GSM and colour stay within tolerance across repeat orders. Full documentation including material specification sheets and roll packing lists with batch references gives your downstream customers the traceability they need for their own projects.
Documentation & Verification
- Material specification sheet stating exact GSM, base fabric denier and coating type per roll grade
- Pre-shipment inspection record with roll-by-roll weight verification against quoted specification
- Roll packing list with batch reference number for colour and production traceability
- Test reports for anti-mildew and sunproof treatments where applicable to your grade selection
- ISO and CE certification documentation for import compliance in your destination market
Fabrication, Handling & Storage
- Heat-weld seams at temperatures matched to the selected GSM grade to avoid coating burn-through on lighter weights
- Store rolls horizontally on padded racks to prevent permanent creasing across the 2m or 2.1m width
- Allow cold-stored rolls to reach ambient temperature before unrolling to prevent coating crack at low temperatures
- Clean finished pond liners with mild detergent only — harsh solvents degrade the PVC coating surface
- Plan cut patterns from 75m or 50m roll lengths to minimise offcuts and welded seam count on large ponds
What We Need to Quote Your Roll Stock Order Accurately
Tell us the GSM grade or range of grades you need for your market, along with your target roll width and standard roll length preference. If you require custom colour matching or branded printing on the roll surface, provide your colour reference or artwork file so our R&D team can develop samples for your approval. Let us know your estimated annual volume and whether you need finished cut-to-size panels or raw roll stock only — this affects both pricing tiers and lead time scheduling.
Frequently Asked Questions
Q: How do I verify the GSM I receive matches the quotation?
A: Every roll is weighed during our 100% pre-shipment inspection, and the results are recorded in the inspection report shipped with your order. You can independently verify by cutting a measured sample from any roll and weighing it to calculate grams per square metre against the stated specification.
Q: Can I order custom colours with my brand printed on the rolls?
A: Custom colours are available with batch-to-batch consistency controlled through our coating process. Our R&D team develops colour samples within days for your approval before production. Branded printing on the roll surface or core is supported for distributor orders.
Q: What is the minimum order for a custom colour or GSM grade?
A: Minimum quantities depend on the specific colour and grade combination you require, as smaller batches affect coating line setup efficiency. Share your target volume and preferred grade with our team, and we will confirm the minimum along with lead time.
Q: Do you provide test reports for UV and anti-mildew treatments?
A: Test documentation is available for grades where these treatments are applied. Specify which performance properties are required for your destination market when you inquire, and we will confirm the applicable test reports with your quotation.
Q: How are rolls packed for container loading to prevent damage?
A: Rolls are packed with protective wrapping to prevent surface abrasion and creasing during transit. The roll packing list included with each shipment details the batch reference, GSM grade, dimensions and quantity for every roll in your container.
