Specialist-grade coated fabric — ventilation duct and membrane structure projects demand documented compliance, and this PVC coated tarpaulin roll is supplied with treatment test reports matched to your site specification rather than generic quotation claims.
Technical Specifications
| Parameter | Value |
|---|---|
| Product Type | PVC Tarpaulin Roll |
| Specification | 650gsm |
| Base Fabric | 100% high tenacity polyester yarns |
| Coating Material | PVC |
| Coating Method | Laminated technology & Hot-melt Coating technology |
| Waterproof | Yes |
| Cold Crack Resistance | Yes |
| Anti-Mildew | Yes |
| Anti-Static | Yes (surface resistance grade not stated in source) |
| Flame Retardant | Available as special treatment (grade to be confirmed per project standard) |
| UV & Weather Resistance | Claimed 3–5 years outdoor service life (test basis not stated in source) |
| Color Fastness | Best color fastness (grade not stated in source) |
| Tearing Strength | Outstanding tearing strength for welding (standard not stated in source) |
| Adhesion Strength | Good flexibility and adhesion strength (standard not stated in source) |
| Special Treatments Available | Flame Retardant; Anti-Static; Anti-cold; Anti-mildew; 3P |
Application Suitability
| Application | Exposure & Requirement |
|---|---|
| Mine and tunnelling ventilation ducts | Continuous airflow abrasion, suspended installation tension, mandatory fire-retardant and anti-static compliance underground |
| Aviation ground support ducting | Jet fuel proximity, high-velocity airflow, strict static dissipation requirements on the tarmac |
| Membrane and inflatable structures | Biaxial tension loading, long-term UV exposure, weld seam integrity under wind uplift |
| Construction site temporary enclosures | Wind loading, mechanical impact from equipment, UV degradation over multi-month use |
| Industrial exhaust containment | Chemical-laden air streams, temperature fluctuation, requirement for certified flame behaviour |
Why PVC Coated Tarpaulin Roll Fire Retardant Anti-Static Certified Demands More Than a Data Sheet Claim
A certificate without a matching test standard is just paper — verify the grade against your project specification before production begins.
Procurement teams on mining and tunnelling projects regularly receive ventilation duct fabric labelled "fire retardant" that fails the site safety audit because the treatment grade was never matched to the governing standard. The same pattern repeats with anti-static claims: the quotation states the fabric is anti-static, but the installed duct cannot demonstrate the required surface resistivity when the inspector arrives [NEED_CITE: anti-static compliance requirements for underground mining ventilation per regional mine safety regulations]. For specialist industrial and ventilation applications, the PVC coated tarpaulin roll fire retardant anti-static certified option must be ordered with the specific grade documented at the time of inquiry, not assumed from a generic product listing.
Hot-Melt Coating Adhesion and Weld Fabrication Performance
The hot-melt coating method used on this PVC Coated Tarpaulin Roll creates a bond between the PVC layer and the high-tenacity polyester base that is fundamentally different from simple laminated constructions. When you fabricate a ventilation duct using high-frequency welding, the heat must penetrate through the coating into the yarn interface to create a fused seam. Hot-melt coating delivers stronger inter-layer adhesion, which means the weld zone resists delamination when the duct pressurises and flexes during fan start-up cycles.
Anti-Static and Flame Retardant Treatment: Confirm Your Standard Before Ordering
Mining ventilation specifications in different jurisdictions reference different standards for fire classification and static dissipation. This fabric is available with flame retardant and anti-static treatments, but the exact grade must be confirmed against your project documentation. Ordering without specifying the target standard — whether DIN 4102, NFPA 701, M2, B1, or a mine-specific requirement — leaves the treatment grade to chance [NEED_CITE: common fire classification standards for textile duct materials in mining and construction ventilation]. State the required grade in your inquiry so the correct formulation is applied and the matching test report accompanies your shipment.
How Base Fabric, Coating Weight and Tensile Behaviour Interact at 650gsm
The 650gsm weight of this material represents the combined mass of the polyester base fabric and the PVC coating applied to both faces. What determines actual performance under the biaxial tension of an inflated duct or a suspended ventilation tube is the interplay between base yarn denier, weave density and coating adhesion — not GSM alone. A tightly woven high-tenacity polyester base resists tear propagation at stress concentration points such as hanging straps and junction collars. The hot-melt coating locks the yarn intersections, reducing yarn slippage that would otherwise allow small punctures to grow into full tears. Coating method also governs how well the material welds: laminated fabrics can separate at the weld line under repeated flex cycles, while hot-melt coated fabric tends to fail cohesively within the coating itself, producing a more predictable and inspectable seam [NEED_CITE: coating method influence on weld peel strength per ISO 1421 tensile testing framework].
The Hidden Cost of Specifying Treatment Grades Too Late in the Process
When fire-retardant or anti-static treatment is treated as an afterthought rather than a line item on the purchase specification, the consequences compound. A ventilation duct fabricated from untreated fabric will pass visual inspection but fail the compliance audit once installed underground, forcing a complete replacement at significant downtime cost. Colour inconsistency across rolls ordered in separate batches becomes visible once duct sections are joined side by side in a membrane structure, triggering rejection and rework. Weld seam failures at flex points on generic-grade fabric may not appear until the duct has been in service, by which time access for replacement is difficult and expensive [NEED_CITE: premature weld seam failure modes in PVC coated technical fabrics under cyclic loading].
Why Source This Specialist Fabric Through Jinan Jinxiang
Three dedicated production lines with 36 sets of professional equipment allow this 650gsm PVC coated tarpaulin roll to be manufactured with consistent coating weight across the full roll length, reducing the thickness variation that causes uneven weld penetration during duct fabrication. The 10-person R&D team develops samples within days when a project requires a specific flame retardant or anti-static grade, giving you physical material to test against your welding parameters before committing to production volume. Every roll undergoes dedicated quality inspection at each production stage with full pre-shipment verification, so the GSM, coating adhesion and treatment application you receive matches the documented specification. Custom widths and roll lengths are produced on request for large-scale duct and membrane projects, minimising offcuts and on-site joins. Documentation accompanies each dispatch, including material specification sheets and test reports where applicable, to satisfy project compliance auditors and site safety engineers.
Documentation & Verification
- Material specification sheet stating 650gsm weight, base fabric denier, hot-melt coating type and confirmed treatment grade
- Flame retardant test report matched to the specific standard requested at order stage
- Anti-static surface resistance test data aligned with project compliance requirements
- Pre-shipment inspection record with roll-by-roll weight and visual verification
- Certificate of origin and customs documentation for international project delivery
- ISO and CE certificates available for project quality file submission
Fabrication, Handling & Storage
- Set high-frequency welder dwell time and pressure for 650gsm hot-melt coated fabric; test peel strength on sample offcuts first
- Store rolls upright on end caps to prevent flat-spot creasing that compromises coating adhesion at the fold line
- Allow cold-weather rolls to acclimatise before unrolling to avoid coating crack at low temperatures
- Use compatible PVC-based repair adhesive matched to hot-melt coating chemistry for on-site duct patching
- Plan cutting layout for full roll width to minimise longitudinal weld seams on large-diameter duct sections
- Clean fabricated ducts with mild detergent only; solvents may degrade the PVC coating surface
What to Include in Your Enquiry
Provide the fire-retardant or anti-static standard your project specification requires so the correct treatment grade can be confirmed and costed at the quotation stage. Specify the roll width, roll length and total quantity needed, along with any colour or surface finish preference. Indicate whether you require raw roll stock for your own fabrication facility or finished duct sections, and state the destination country for documentation planning.
Frequently Asked Questions
Q: Which fire retardant standard does your project require, and how is the treatment matched?
A: Common standards include DIN 4102 B1, NFPA 701, and M2, but mining and aviation projects often reference jurisdiction-specific codes. State the exact standard in your enquiry so the correct flame retardant formulation is applied to the 650gsm PVC coated tarpaulin roll and a matching test report is included with your documentation package.
Q: What surface resistance does the anti-static treatment deliver for mining compliance?
A: Anti-static treatment is available on this PVC coated polyester roll, but the required surface resistance value depends on your mine safety authority’s specification. Provide the target resistance range so the treatment can be formulated accordingly and verified by test before shipment.
Q: How is the 650gsm weight verified before the rolls leave the factory?
A: Every roll undergoes weight verification as part of the pre-shipment inspection process. The measured GSM is recorded against the specification sheet and included in the dispatch documentation, so you can reconcile the received material against the stated 650gsm value on arrival.
Q: What welding parameters suit this hot-melt coated 650gsm fabric for duct fabrication?
A: Hot-melt coating bonds strongly to the polyester base, generally requiring slightly higher energy input than laminated fabrics for a complete fusion weld. Run sample offcuts through your high-frequency welder to establish optimal dwell time, pressure and temperature before full production.
Q: What custom width and roll length options exist for large ventilation projects?
A: Custom widths and roll lengths are available to match your duct diameter and fabrication layout, reducing the number of longitudinal seams and offcuts. State the required dimensions and total linear metres in your enquiry for a project-specific quotation.
