Coating Adhesion Control — Every roll undergoes in-process QA to verify coating weight and adhesion, ensuring the laminate holds through fabrication and field use.
Technical Specifications
| Parameter | Value |
|---|---|
| Product Type | PVC Tarpaulin Roll |
| Coating Material | HDPE weaving with LDPE lamination on both sides |
| Weight (GSM) | 50gr/m² ~ 300gr/m² available |
| Total Thickness | 0.2-0.4mm / 8 mil-16 mil / Custom |
| Mesh Count | 6×6, 6×7, 7×7, 7×8, 8×8, 9×9, 8×10, 10×10, 12×12, 14×14, 14×16 weave |
| Width | 6ft, 8ft, 10ft, 12ft or 2m, 4m, 6m |
| Roll Length | 100 yards, 100 meters, or as per buyer’s wish |
| Color | Blue, Blue/Orange, Green, Grey, Black, Clear, Grey/Green, Orange, or custom |
| UV Treatment | Available (test basis not stated in source) |
| Anti-Static | Available (grade not stated) |
| Waterproof | Yes |
| Mildew Proof | Yes |
| Anti-aging | Yes |
| Tear Resistant | Yes (test standard not stated) |
| Eyelet & Hem Options | Four edges reinforced with PP rope in hem; galvanized eyelets every 3ft or 1m; reinforced plastic corners (finished tarpaulin only) |
| Standards | ISO, CE |
Application Suitability
| Application | Exposure & Requirement |
|---|---|
| Tent and temporary structure construction | Wind load, repeated assembly and teardown, UV exposure, water ingress at seams |
| Mining and tunnelling ventilation ducts | Continuous airflow, particulate abrasion, fire-retardant and anti-static compliance on site |
| Industrial covers for trucks and containers | Road vibration, flex at load points, weather and UV exposure during transit |
| Agricultural crop and timber covers | Prolonged sun exposure, moisture, wind uplift, mildew risk in humid storage |
| Construction scaffolding enclosures | Wind-driven rain, UV degradation over multi-month projects, scaffold tie-back stress |
Why Roll-to-Roll Consistency Matters More Than the Quoted GSM
A specification sheet only protects you if every roll in the container actually matches it.
Buyers who source PE tarpaulin roll wholesale often discover that the gsm stated on the quotation does not survive the journey from factory floor to warehouse. A roll that measures lighter than agreed means thinner coating, reduced tear resistance, and a product that fails earlier in the field. For distributors reselling into construction or agriculture, that gap between paper specification and physical reality erodes trust with downstream customers [NEED_CITE: tensile and tear test methods for coated fabrics per ISO 1421]. Colour variation between rolls in the same shipment compounds the problem — two panels installed side by side show a visible shade difference that triggers rejection on site.
Density Ladder Across Light-Duty to Heavy-Duty Grades
The available weave density range spans from 6×6 at 50gr/m² through 14×16 at up to 300gr/m², giving buyers a single source for both economy-grade and heavy-duty PE tarpaulin roll wholesale purchases. Lighter weaves suit short-term agricultural covers and temporary site enclosures, while tighter weaves at higher gsm grades serve construction scaffolding wraps and transport covers that face sustained mechanical stress.
Batch Dyeing and Colour Matching Across the Order
Colour consistency across a full container load depends on dye-lot control during yarn production and lamination temperature stability. Rolls produced in the same batch cycle maintain uniform shade, preventing the visible panel mismatch that occurs when different production runs are mixed. Buyers specifying blue, green, grey, or dual-tone options receive stock from a single dye lot, verified during pre-shipment inspection before container loading [NEED_CITE: colour fastness and batch consistency standards for laminated fabrics].
Weave Density, Coating Weight, and How They Combine to Determine Strength
Gsm alone does not define how the fabric performs under load. A 14×14 weave at 150gr/m² distributes tensile force across more yarn intersections than a 7×7 weave at the same weight, resulting in higher tear propagation resistance. The HDPE woven base provides the structural skeleton, while the dual-side LDPE lamination seals the weave and adds puncture resistance. Thicker lamination at 0.4mm improves waterproof durability but increases roll stiffness, which affects handling during fabrication and on-site deployment. Width options up to 6m reduce the number of heat-welded seams needed to cover large areas, lowering the risk that a seam fails before the fabric itself. For tent construction, wider rolls mean fewer joints at stress concentration points where wind load is highest.
The Cost of Specifying on Price per Kilogram Alone
When purchasing decisions focus exclusively on unit cost, the result is often a roll that meets the gsm number but achieves it through heavier base yarn and thinner coating. Thinner lamination peels at the edges during heat welding and cracks along fold lines in cold weather. For tent and duct fabrication, this means welded seams fail at the flex point while the body fabric remains intact — a failure mode that traces back to inadequate coating adhesion rather than fabric weight. Distributors who have received containers with inconsistent roll weights face warranty claims from downstream customers and absorb the cost of replacement stock [NEED_CITE: coating adhesion and peel strength test methods for laminated tarpaulins].
Why Buyers Source Rolls Here
Three full production lines with 36 sets of professional equipment support bulk PE tarpaulin roll wholesale orders with consistent throughput and on-time dispatch. A dedicated 10-person R&D team handles material selection, custom width development, and colour matching with samples produced within days. Every production stage carries in-process QA checkpoints, and 100% of rolls are inspected before shipment against the agreed specification. Documentation accompanies each container, including roll packing lists and material specification sheets. Export experience across more than 20 countries means customs paperwork, certificates of origin, and container loading plans are standard practice rather than afterthoughts.
Documentation & Verification
- Material specification sheet stating gsm, base fabric weave, and LDPE coating weight per roll
- Pre-shipment inspection record with actual measured weight cross-referenced against the quoted gsm
- Roll packing list with roll count, dimensions, and net weight for customs clearance
- Certificate of origin and ISO/CE documentation for import compliance
- Test reports for UV treatment and anti-static grades where applicable — confirm the grade required for your market
- Container loading plan detailing roll count and tonnage per 20’GP or 40’HQ
Fabrication, Handling & Storage
- Heat-weld dual-side LDPE surfaces at moderate temperature to avoid burning through the thinner lamination grades
- Allow rolls stored in cold transit to reach ambient temperature before unrolling to prevent crease cracking at 0.2mm thickness
- Store rolls upright on hard paper tubes to prevent flat-spot deformation on the wider 4m and 6m widths
- Use the galvanized eyelets at 1m intervals for tie-down on finished sheets, avoiding point-load on the PP rope hem
- Clean with mild detergent only — solvent-based cleaners can degrade the LDPE lamination surface over repeated use
- Plan cut layouts around the 100-yard or 100-meter roll length to minimise off-cuts on standard tent panel dimensions
Request a Specification Match
To ensure the roll stock fits your market, share the target gsm range, weave density preference, and the end-use application with expected exposure conditions. Specify whether you need rolls in standard widths or custom dimensions, and whether finished sheets with eyelets and hems are required alongside bulk roll stock. If your market mandates anti-static or UV-treated grades, indicate the applicable standard so that matching test documentation ships with your order.
Frequently Asked Questions
Q: How is gsm verified before shipment and how should I recheck on arrival?
A: Every roll is weighed during pre-shipment inspection and compared against the quoted specification. The inspection record ships with your documentation. On arrival, cut a measured sample from a randomly selected roll, weigh it, and calculate gsm from the known area to confirm it falls within tolerance of the stated grade.
Q: Which roll width and length minimises waste for my market?
A: Standard widths run from 2m to 6m, with 100-yard and 100-meter roll lengths. Wider rolls reduce seam count on tent panels and construction covers but increase handling difficulty. Share your typical finished panel dimensions so we can recommend the width that yields the highest utilisation rate per roll.
Q: How do you ensure colour consistency across rolls in the same order?
A: All rolls in a single order are produced from the same dye lot during one continuous production run. Pre-shipment inspection includes visual comparison of adjacent rolls under standard lighting to flag any shade variation before the container is loaded.
Q: How are rolls packed for container loading to prevent transit damage?
A: Rolls are wound on hard paper tubes and wrapped in tarpaulin sheet to protect against moisture and abrasion. A 20’GP container holds up to 17 tons by roll. The loading plan is confirmed at order stage so roll count and weight align with your freight cost targets.
Q: What is the MOQ for custom width, colour, or printed branding on rolls?
A: Custom widths, colours, and branding involve separate production setup and dye-lot allocation. Minimums depend on the specific grade and width requested. Submit your requirements early so samples can be developed within days for approval before bulk production begins.
