Description
Roll-to-Roll Consistency — Three full production lines and dedicated QA/QC at every coating stage ensure uniform weight, thickness, and colour across every PVC Tarpaulin Roll shipped.
Technical Specifications
| Parameter | Value |
|---|---|
| Product Type | PVC Coated Tarpaulin Roll |
| Material | PVC & Polyester (Polyester Base Fabric + Double-Sided PVC Coating) |
| Yarn Count Options | 500D840D / 500D1000D / 1000D1000D / 1000D1300D / 1300D1300D / 1000D2000D |
| Weight Options (GSM) | 350 / 400 / 420 / 500 / 600 / 650 / 750 / 900 |
| Thickness Range | 0.29mm – 0.65mm |
| Density Options | 30×19 / 20×20 / 30×15 |
| Warp Strength Range | 1650N – 3900N (test basis not stated in source) |
| Weft Strength Range | 1600N – 3500N (test basis not stated in source) |
| Key Features | Waterproof, Water Resistant, Anti-UV (test basis not stated), Flame Retardant (grade not stated), Anti-Bacteria (test basis not stated), Abrasion Resistant |
| Surface | Double-Sided PVC Coating, Smooth with Leather-Like Texture |
| Repairability | Hot Air Welding |
| Packaging | Roll Packing, Bale Packing, Carton |
| Certifications | ISO, CE (company-level) |
Application Suitability
| Application | Exposure & Requirement |
|---|---|
| Commercial fish pond lining | Permanent water immersion, soil chemistry contact, puncture risk from substrate stones and root systems |
| Aquaculture tank construction | Continuous moisture exposure, bacterial growth prevention, frequent cleaning and disinfection cycles |
| Agricultural irrigation reservoirs | Extended UV exposure, seasonal temperature fluctuation, large water volume static load |
| Shrimp and prawn pond liners | Saline water contact, abrasive sediment, need for smooth surface to prevent organism injury |
| Tarpaulin distributor stock | Batch consistency across rolls for regional resale and cutting into custom sizes |
Why Batch Consistency Matters More Than Quoted GSM for Pond Liner Rolls
A quoted GSM figure means little if roll-to-roll weight varies across your container load.
Purchasing PVC tarpaulin by the roll for pond lining projects often involves container-quantity orders. When GSM drifts between rolls, some sections of the installed liner end up thinner than the design requires, creating weak zones that fail under hydrostatic pressure. Colour variation between batches becomes visible once adjacent panels are welded together on site, forcing contractors to replace entire sections. [NEED_CITE: batch colour variance causing rejection in coated fabric installations] These issues rarely surface during pre-shipment sampling because buyers typically test only the first roll. Consistent coating weight and colour matching across the full order is what separates a liner that performs uniformly from one that develops early leaks in isolated zones.
Roll Stock Availability and Width Options for Pond Projects
Sourcing PVC Tarpaulin Roll for fish pond construction requires matching roll width to pond dimensions to minimise weld seams and material waste. This product family is available in custom widths, allowing buyers to specify dimensions that align with their pond layouts. Fewer longitudinal welds reduce the total seam length on site, which is where most liner failures originate when the substrate shifts or water pressure flexes the fabric. Bulk buyers can order full container loads with a single width or mix widths to serve different pond sizes within one aquaculture facility.
Colour and Coating Uniformity Across Multi-Roll Orders
When multiple rolls are welded side by side to line a large reservoir, any shade difference between adjacent panels becomes immediately apparent after installation. Double-sided PVC coating applied under controlled line conditions maintains colour reference consistency throughout the production run. Buyers ordering PVC tarpaulin rolls in quantity should confirm their colour reference before dispatch and request batch matching across the full order. [NEED_CITE: coating colour matching procedures for PVC tarpaulin roll production] This approach prevents costly on-site sorting and panel reshuffling during installation.
How Yarn Count, Density and Coating Weight Interact in Pond Liner Performance
Selecting the correct PVC tarpaulin grade for pond lining requires understanding how base fabric construction and coating weight combine to determine field performance. Yarn count options ranging from 500D×840D to 1000D×2000D define the base fabric tensile capacity; higher denier yarns resist greater hydrostatic loads from deeper water columns. Density settings such as 30×19 or 20×20 determine how tightly those yarns are woven, directly influencing tear propagation resistance — a critical factor when the liner is stretched over uneven substrate. The PVC coating weight, expressed in GSM from 350 to 900, fills the weave interstices and provides the waterproof barrier. A lighter base fabric with heavy coating may achieve the target GSM but will lack the structural strength of a heavier base with proportionate coating. The thickness range of 0.29mm to 0.65mm reflects the combined result of these three variables. Buyers should specify based on pond depth and expected mechanical stress rather than GSM alone.
The Hidden Cost of Specifying the Wrong Roll Grade for Your Pond
Choosing a PVC tarpaulin grade that is too light for the intended pond depth leads to premature failure at stress points where the liner contacts sharp substrate features. When coating weight is insufficient relative to the base fabric weave openness, water can migrate through pinholes that develop under sustained hydrostatic pressure. Rolls with inconsistent thickness across the width create tension imbalances during welding, causing seams to separate before the fabric itself reaches its service limit. [NEED_CITE: hydrostatic pressure failure modes in flexible pond liners] Anti-bacteria and anti-UV treatments claimed without supporting test reports leave buyers unable to verify that the liner will withstand the biological and solar exposure conditions present in open-air aquaculture operations. These failures typically appear months after installation, when remediation costs far exceed the savings from selecting a lower grade.
Why Wholesale Buyers Source Pond Liner Rolls Here
Three full production lines operating with 36 sets of professional equipment deliver the volume capacity required for container-load PVC tarpaulin roll orders. A dedicated 10-person R&D team develops samples within days when buyers need to confirm weight, colour, or width before committing to bulk production. Every roll passes through QA/QC inspection at each production stage, with 100% pre-shipment verification against the quoted specification. Coating weight and adhesion are controlled through established process parameters refined over decades of PVC coated fabric production. Roll packing lists document weight and dimensions per roll, enabling buyers to calculate container loading and verify received quantities against the dispatch record.
Documentation & Verification
- Material specification sheet stating confirmed GSM, base fabric yarn count, and coating type for each roll
- Pre-shipment inspection record verifying weight and thickness per roll against purchase order
- Roll packing list with individual roll dimensions and net weight for container loading calculation
- Test reports for anti-UV and flame retardant grades where specified in the purchase order
- Certificate of origin and customs documentation supporting international bulk shipment
Fabrication, Handling & Storage
- Hot air welding at manufacturer-recommended temperature ensures leak-proof joins across double-sided PVC coating layers
- Store rolls upright on pallets to prevent flat-spot deformation on the polyester base fabric
- Unroll in moderate temperatures to avoid creasing the PVC coating surface before pond installation
- Clean welded seams with compatible PVC solvent to maintain bond integrity on coated surfaces
- Allow sufficient overlap width based on roll thickness to achieve full seam strength during welding
- Protect cut roll edges from direct sunlight before installation to preserve coating adhesion at exposed edges
Requesting a Quotation for Bulk Pond Liner Rolls
Provide your target GSM grade, required roll width and length, and total roll count to receive a specification recommendation matched to your pond depth and climate conditions. Indicate whether anti-UV or flame retardant treatment is required for your market so that appropriate test documentation can be prepared. Confirm your colour reference and whether multiple container loads need batch matching across shipments. Specify if you require samples before bulk production to verify coating hand feel and weld compatibility with your on-site equipment.
Frequently Asked Questions
Q: How can I verify the GSM and thickness of bulk rolls upon delivery?
A: Each bulk PVC tarpaulin roll order ships with a pre-shipment inspection record documenting the verified weight and thickness per roll. Buyers can cross-check these figures using a calibrated scale and thickness gauge on arrival. Requesting a roll packing list before dispatch allows you to compare stated values against your received goods and flag any discrepancies immediately.
Q: What roll widths and lengths are standard for pond liner projects?
A: Roll widths and lengths are produced to your specified dimensions rather than a single stock size. This approach allows pond contractors to order widths that match their excavation layout, reducing the number of field welds required. Provide your pond dimensions and preferred overlap allowance so that roll dimensions can be optimised for your installation plan.
Q: How do I ensure colour consistency across multiple container orders?
A: Confirm your colour reference before the first production run and request batch matching notation on subsequent orders. Pre-shipment inspection includes visual colour comparison against the approved reference. For multi-container projects, ordering all rolls in a single production run provides the highest degree of shade uniformity across the entire installation.
Q: What welding temperature and technique work best for PVC pond liner rolls?
A: Hot air welding is the recommended joining method for this double-sided PVC coated fabric. Temperature settings depend on the specific GSM grade and coating thickness selected. Request welding guidelines matched to your ordered specification, and conduct test welds on offcuts before joining installed panels to confirm optimal speed and temperature for your equipment.
Q: How many rolls fit in a standard shipping container for bulk orders?
A: Container loading capacity depends on roll width, diameter, and packing method chosen — roll packing, bale packing, or carton. A detailed packing list is prepared before dispatch showing net weight and dimensions per roll. Share your target roll specification and container type so that a precise loading plan can be calculated for your shipment.
