Description
Bulk PVC pond liner rolls ready for container loading — Stocked in multiple GSM grades with verified coating weight and batch colour consistency, shipped in standard roll dimensions for efficient wholesale distribution.
Technical Specifications
| Parameter | Value |
|---|---|
| Product Type | PVC Tarpaulin / Pond Liner |
| Base Fabric | High-tenacity polyester mesh |
| Coating Technology | Laminated & Hot-melt coating |
| Available GSM Grades | 350gsm / 420gsm / 500gsm / 550gsm / 600gsm / 750gsm |
| Available Thickness | 0.32mm / 0.35mm / 0.4mm / 0.45mm / 0.5mm / 0.65mm |
| Roll Dimensions | 2m × 75m / 2.1m × 50m |
| Colours Available | Blue, Red, Yellow, Light Blue, Grey, or Custom |
| Welding Suitability | Outstanding tearing strength at welded seams |
| Surface Finish | Good colour fastness |
| Special Treatments | Flame retardant, anti-static, anti-cold, anti-mildew available (confirm grade required) |
Application Suitability
| Application | Exposure & Requirement |
|---|---|
| Fish and shrimp ponds | Continuous water immersion, soil contact, puncture risk from substrate |
| Aquaculture tanks | High water volume load, seam integrity under flexing, chemical exposure from feed |
| Reservoir lining | Extended surface area coverage, batch consistency across multiple rolls |
| Agricultural water storage | Seasonal UV exposure, temperature cycling, abrasion from installation |
| Distributor stock grades | Multiple buyer requirements from one inventory, reliable GSM verification on receipt |
Why Roll-to-Roll Colour Consistency Matters for PVC Pond Liner Roll Wholesale
Batch variation across a single shipment forces distributors to sort, reject or install mismatched panels side by side.
When a buyer orders multiple rolls of PVC pond liner roll wholesale for a large aquaculture project, the expectation is that every roll unrolled on-site will match. The reality is often different. Coating colour can shift between production runs, even when the Pantone reference is identical on paper. Distributors who have experienced this know the cost is not just aesthetic — it means pulling rolls back, re-sorting inventory, or worse, installing a pond liner where half the basin is noticeably lighter than the other. Colour variance is rarely caught at the factory because the inspection happens roll by roll, not side by side. The only control that works is a dye-lot discipline that treats an entire order as one production batch, pulling base yarn and coating compound from the same input stock. [NEED_CITE: colour fastness and batch consistency standards for coated fabrics]
Container-Optimised Roll Dimensions for Wholesale Loading
Shipping air is a margin killer in coated fabric wholesale. The standard roll sizes offered — 2m × 75m and 2.1m × 50m — are dimensioned to stack efficiently in 20ft and 40ft containers, maximising roll count per shipment. This matters directly to distributors and importers whose landed cost per square metre is a function of how many rolls fit on the floor and how the weight distributes across the container axle limits. The 2m and 2.1m widths also align with common pond panel layouts, reducing the number of on-site welds a contractor needs to make when fabricating large basins. Fewer welds mean fewer potential failure points in the finished installation.
GSM Verification Before Dispatch, Not After Arrival
The most frequent complaint from PVC pond liner roll wholesale buyers is receiving material that measures lighter on arrival than the GSM stated on the quotation. This happens when coating weight drifts during production and pre-shipment sampling only checks the first roll off the line. A controlled process samples rolls at intervals across the entire production run, weighing each sampled section against the stated GSM before the packing list is signed. This is not a premium feature — it is basic quality discipline that eliminates the scenario where a 500gsm order arrives and consistently weighs in at 460gsm on the buyer’s scale. [NEED_CITE: GSM test methods for coated textiles per ISO standards]
How Base Fabric and Coating Weight Interact to Determine Real Performance
GSM alone tells you the total weight per square metre, but it does not tell you where that weight sits. A roll that reads 600gsm could achieve it through a dense polyester base with thin coating, or a lighter base with thick PVC layers. The first configuration gives higher tensile and tear strength — the polyester mesh carries the structural load. The second gives better puncture resistance and surface durability — the PVC coating absorbs impact and resists abrasion. For pond liner applications, where the fabric is laid on prepared substrate and subjected to water load and thermal movement, the balance between base denier and coating thickness determines whether the liner stretches cleanly or develops stress wrinkles at the seams. Hot-melt coating technology bonds the PVC to the mesh with strong adhesion, which is critical when welded seams are put under tension during pond filling. The adhesion strength directly affects whether the weld holds or the coating delaminates at the joint.
What Happens When You Select the Wrong GSM Grade for the Application
Underspecifying on pond liner GSM leads to failures that are not immediately visible. A roll that is too light for a deep commercial pond will stretch under water load, concentrating stress at the welded seams — the exact points the installer trusted to hold. The seams fail before the fabric does, and by then the pond has been stocked and the substrate is saturated. Overspecifying carries a different penalty: heavier rolls are harder to handle on-site, more expensive per square metre, and may require welding equipment set to higher temperatures, risking burn-through on the coating if the fabricator uses parameters calibrated for lighter grades. The cost of getting this wrong is not a warranty claim — it is draining a stocked pond, pulling out the liner, and starting the installation again. [NEED_CITE: tensile and tear test methods for coated fabrics per ISO 1421]
Why Distributors Source PVC Pond Liner Rolls from This Facility
Three full production lines and 36 sets of professional equipment support the volume commitment that wholesale buyers require, enabling consistent output across large orders without splitting production across subcontracted lines.
A 10-person R&D team handles colour matching, custom width requests and sample development, returning samples within days so buyers can confirm material before committing to container quantities.
Dedicated QA/QC at every production stage with 100% pre-shipment inspection means the roll packing list you receive reflects verified weights and counts, not estimated figures from the production plan.
ISO and CE certified processes provide the documentation framework that export markets require, from certificate of origin to customs support, reducing clearance delays at destination ports.
Nearly 30 years of focused coated fabric production delivers process control over coating weight and adhesion that newer operations cannot replicate, translating to batch consistency your downstream customers rely on.
Documentation & Verification
- Material specification sheet confirming base fabric denier, coating weight and colour reference per roll batch
- Pre-shipment inspection record with GSM verification on sampled rolls across the full order
- Roll packing list detailing individual roll count, net weight and container loading plan
- Certificate of origin and customs documentation prepared for destination country requirements
- Test reports for flame retardant and anti-static treatments where applicable to the order
Fabrication, Handling & Storage
- Hot-melt coated rolls weld cleanly at standard PVC welding temperatures — confirm settings against the specific GSM grade ordered
- Store rolls vertically on pallets to prevent flat-spotting and permanent creasing on the coating surface
- Allow rolls to acclimatise before unrolling in cold conditions to avoid cracking the PVC layer
- Lay panels with adequate overlap for welding — the 2m and 2.1m widths suit standard overlap configurations
- Avoid dragging rolls on unprepared ground to protect the coating surface from substrate puncture
What to Specify When Requesting a Quotation
Provide the target GSM, roll width preference, colour code or Pantone reference, and the total roll count or project square metreage. If your market requires specific fire classification or anti-static certification, state the standard your end user demands so the correct treatment grade is applied. Confirm whether you need stock roll dimensions or a custom cut-to-size service for individual pond layouts.
Frequently Asked Questions
Q: How is GSM verified on each roll before shipment?
A: Sampled rolls are drawn at intervals across the production run and weighed per standard test method. The results are recorded on the pre-shipment inspection report, which accompanies your shipment. This catches coating weight drift early rather than leaving discovery to your receiving dock.
Q: What roll widths and lengths are stocked versus made to order?
A: Standard stock dimensions are 2m × 75m and 2.1m × 50m rolls. Custom widths and lengths are available but require a production run with applicable lead time and minimum order quantity. Confirm your preferred dimensions when requesting a quotation.
Q: How do you control colour consistency across rolls in one order?
A: Orders are treated as a single dye-lot production batch. Base yarn and coating compound are drawn from the same input stock for the entire order. Side-by-side comparison is performed during pre-shipment inspection before rolls are packed for dispatch.
Q: What is the container loading capacity by roll count and weight?
A: Loading plans are calculated based on the specific GSM grade and roll dimensions ordered. A packing list with roll count, total net weight and container type recommendation is provided with each quotation so you can confirm landed logistics before committing.
Q: What MOQ applies for custom colours or widths on pond liner rolls?
A: Custom colours and non-standard widths require a minimum production run to ensure colour consistency and coating line setup. The exact MOQ depends on the GSM grade and specification requested. State your requirements in the inquiry for a confirmed figure.
