Description
Volume consistency across every roll — Three full production lines maintain GSM, colour, and thickness uniformity on PVC tarpaulin roll for pond liner wholesale orders, verified at each coating stage.
Technical Specifications
| Parameter | Value |
|---|---|
| Product Type | PVC Tarpaulin Roll |
| Material | PVC + High-strength polyester mesh fabric |
| Coating Method | Laminated technology & Hot-melt coating technology |
| Weight Options | 350gsm / 420gsm / 500gsm / 550gsm / 600gsm / 750gsm |
| Thickness Options | 0.32mm / 0.35mm / 0.4mm / 0.45mm / 0.5mm / 0.65mm |
| Roll Width | 2m / 2.1m |
| Roll Length | 75m (for 2m width) / 50m (for 2.1m width) |
| Color | Blue / Red / Yellow / Light blue / Grey (Customized) |
| Cold Crack Resistance | Yes |
| Anti-Mildew | Yes |
| Waterproof | Yes |
| Flame Retardant | Available as special treatment (grade not stated) |
| Service Life | 3–7 years under normal circumstances (source value — verify against application conditions) |
| Certifications | ISO, CE |
Application Suitability
| Application | Exposure & Requirement |
|---|---|
| Above-ground pond and reservoir liner | Permanent water contact, UV exposure, soil chemistry, puncture risk from substrate |
| Prefabricated fish tank and pool liner | Continuous water immersion, heat-welded seams, colour matching across panels |
| Tarpaulin distributor regional stock | Batch consistency across rolls, multiple GSM grades for varied end-use |
| Tent and awning fabric production | Tensile load at ridgeline, flex at eaves, UV and rain exposure |
What "Roll-to-Roll Consistency" Actually Costs When It Goes Wrong
Every container rejection at the dock traces back to one of two failures — colour drift between rolls or coating weight lighter than quoted.
When a liner fabricator unloads a container and finds the third roll sits two shades off from the first, those panels cannot be welded side by side on a commercial pond project. The entire lot gets flagged. Similarly, a roll that measures 420gsm at the sample stage but arrives at 380gsm fails the pre-installation weight audit that many municipal aquaculture contracts now require. These are not edge cases — they represent a recurring friction point in bulk coated fabric procurement. PVC tarpaulin roll for pond liner aftermarket supplier orders must therefore ship with documented per-roll verification, not just a batch-average claim. [NEED_CITE: pre-shipment inspection protocols for coated textile rolls per ISO 2859]
Coating Weight Distribution Across the Roll Width
The laminated and hot-melt coating technology used on this PVC tarpaulin roll for pond liner ensures that PVC compound penetrates the high-strength polyester mesh fabric evenly from edge to edge. Uneven coating creates thin spots that become failure origins under hydrostatic pressure once the liner is filled. Dedicated coating lines allow the compound viscosity and line speed to be held constant across the run, which is the production variable that directly controls GSM uniformity along the roll length.
Colour Matching Within a Single Dispatch Lot
When six rolls are welded together on site to form a large pond liner, any visible colour shift between adjacent panels is immediately apparent. The production workflow includes a batch colour reference confirmed before coating begins, so that all rolls within one order are drawn from the same pigment lot. This matters for distributor buyers who warehouse inventory and pull partial rolls across multiple customer projects — a mismatched roll in the middle of a rack creates downstream complaints that trace back to the supplier. [NEED_CITE: colour difference measurement for coated fabrics using spectrophotometric methods]
Reading the Specification Sheet Correctly
The weight range from 350gsm to 750gsm represents six distinct grades, each with a corresponding thickness from 0.32mm to 0.65mm. These two values move together because heavier coating mass produces a thicker cross-section, but it is the base polyester mesh that carries the tensile and tear load — the PVC coating provides waterproofing, UV shielding, and surface durability. Laminated technology bonds the PVC film to the mesh under heat and pressure, producing higher peel strength at the weld line compared to simple adhesive bonding. The 2m and 2.1m roll widths determine how many linear metres of welding seam a fabricator must join to cover a given pond surface area. Wider rolls reduce seam count but increase handling weight on site, which is why both sizes are offered.
The Hidden Cost of Choosing the Wrong Grade
Selecting a lighter GSM than the application demands leads to puncture damage during installation — a sharp stone beneath a 350gsm liner on unprepared ground causes immediate pinhole leaks that are costly to locate and repair. Conversely, specifying 750gsm for a shallow decorative pond wastes material cost and makes the liner stiff enough to resist folding into tight corners. Flame retardant grades are available as a special treatment, but the specific grade must be confirmed against the fire code in the destination market before production begins — ordering the wrong certification results in failed building inspection and full replacement. [NEED_CITE: fire classification standards for PVC-coated fabrics used in enclosed structures]
Why Buyers Commit Repeat Orders Here
Three full production lines provide capacity to run standard GSM grades continuously while allocating a line to custom colour or width orders without delaying stock dispatch. The 10-person R&D team develops sample rolls within days when a fabricator requests a non-standard colour match or a thickness between two catalog grades. Every roll passes through dedicated QA checkpoints at coating, slitting, and winding — the pre-shipment inspection record documents the exact measured GSM per roll against the order specification. Container loading plans are provided with roll count, weight, and cubic volume so that freight cost can be calculated before the booking is confirmed.
Documentation & Verification
- Material specification sheet stating exact GSM, base fabric construction, and coating type per order
- Pre-shipment inspection record confirming coating weight per roll against quoted specification
- Roll packing list with individual roll dimensions, net and gross weight for customs entry
- Colour batch reference documented to enable future reorder matching
- Certificate of origin and customs documentation for international container shipment
- UV and flame-retardant test reports supplied where applicable grades are specified
Fabrication, Handling & Storage
- Heat-weld settings should be trialled on a scrap piece of the selected GSM before full-panel joining
- Store rolls on their cores in a dry, shaded area to prevent edge deformation and surface marking
- Unroll in moderate temperatures — cold-stiffened material may crack if forced flat below its rated range
- Cut panels with a sharp blade to avoid fraying the polyester mesh at the weld-seam allowance
- Clean welded liner surfaces with mild detergent only; solvents may soften the PVC coating layer
- Plan panel layout around the 2m or 2.1m roll width to minimise offcuts and seam count
Requesting a Quote That Matches Your Project
Specify the end-use environment — submerged pond liner, above-ground pool wall, or open reservoir — along with the required GSM or thickness grade and total linear metres. If your market requires a particular fire classification or anti-static standard, state the grade so the correct treatment is applied. Confirm whether standard roll widths work for your fabrication layout or if a custom width is needed for your cutting pattern.
Frequently Asked Questions
Q: What GSM and thickness grades do you keep in stock versus made to order?
A: Standard roll widths of 2m and 2.1m in the core GSM grades are produced on regular cycles for container-load orders. Custom colours and non-standard widths are run on allocated line time and require a confirmed minimum quantity. The sales team provides current stock availability and lead times once the target grade and volume are specified.
Q: How do you guarantee colour consistency across all rolls in one container?
A: All rolls within a single order are coated from the same pigment batch, and a colour reference is confirmed before production begins. The pre-shipment inspection record includes a visual colour check across the roll set. If a future reorder needs to match an existing installed liner, the batch reference on file allows the production team to reproduce the target shade.
Q: Can I order custom width or length, and what is the minimum for a custom run?
A: Custom widths and lengths are available for container-load orders. The minimum depends on the requested width and GSM grade, as the coating line requires a continuous run to maintain compound viscosity and temperature stability. Share your target dimensions and total quantity so a feasible run plan and lead time can be confirmed.
Q: What documentation ships with the rolls for customs and quality verification?
A: Each shipment includes a material specification sheet, pre-shipment inspection record with per-roll GSM measurement, packing list with roll count and weights, certificate of origin, and customs documentation. Where flame-retardant or UV-treated grades are ordered, the corresponding test reports are included in the dispatch package.
Q: How many rolls fit in a container for freight calculation?
A: Container loading depends on roll width, length, and GSM grade, which together determine the weight and volume per roll. A loading plan with roll count, gross weight, and cubic volume is provided at the quotation stage so freight cost can be estimated before the order is placed. Both 20ft and 40ft container configurations are planned for maximum utilisation.
