Description
Controlled Batch Consistency — Our production lines monitor coating weight and pigment dispersion continuously, ensuring each roll within a shipment matches the approved sample for colour and GSM.
Technical Specifications
| Parameter | Value |
|---|---|
| Product Type | PVC Laminated Tarpaulin |
| Base Fabric | High-strength polyester mesh fabric |
| Coating Material | PVC |
| Coating Method | Laminated Technology & Hot-melt Coating Technology |
| Weight (GSM) | 350gsm, 420gsm, 500gsm, 550gsm, 600gsm, 750gsm |
| Total Thickness | 0.32mm, 0.35mm, 0.4mm, 0.45mm, 0.5mm, 0.65mm |
| Roll Width Options | 2m, 2.1m |
| Roll Length Options | 75m, 50m |
| Available Colors | Blue, Red, Yellow, Light blue, Grey (Custom colors available) |
| UV Treatment | Anti-UV treatment (test basis not stated in source) |
| Flame Retardant | Available in flame retardant grades — confirm the grade required for your market |
| Anti-Static | Anti-static treatment (surface resistance or standard not confirmed) |
| Key Features | Waterproof, cold crack resistance, anti-mildew, outstanding tearing strength for welding, best color fastness |
Application Suitability
| Application | Exposure & Requirement |
|---|---|
| Swimming pool covers | Constant UV and water contact, chlorine atmosphere, seasonal tension loads |
| Fish tank and aquaculture covers | Permanent water immersion, chemical exposure from water treatment |
| Tent and awning fabric | Weather cycling, UV load, repeated packing and unpacking stress |
| Truck side curtain and awning | Road vibration, flex fatigue at mounting points, weather and debris impact |
| Cargo ship covers | Salt-laden atmosphere, wind uplift, heavy rain exposure |
Why Roll-to-Roll Colour Variation Destroys a Pool Cover Order
Batch-matched pigment dosing across every roll eliminates the visible seam-line shift that buyers discover only after installation.
When a distributor receives a container of PVC laminated tarpaulin rolls and two adjacent rolls show a noticeable tint difference, the entire lot may need to be sorted or returned. Colour drift happens when pigment is added manually or when coating temperature fluctuates between shifts. For pool cover fabricators cutting panels from multiple rolls, this inconsistency becomes visible the moment panels are welded side by side on a customer’s pool deck. [NEED_CITE: colour measurement tolerances for coated fabric batches per ISO 105 series]
How Hot-Melt Coating Controls Weld Integrity
The laminated and hot-melt coating process used for this PVC laminated tarpaulin roll bonds the PVC layer to the polyester mesh under controlled heat and pressure. This method produces a uniform coating thickness across the full 2m or 2.1m width, which directly affects how the material behaves during high-frequency or hot-air welding. Consistent coating weight means the welder can set temperature and speed once and hold those parameters across an entire production run, reducing seam scrap.
Bulk Roll Logistics and Container Planning
Roll stock buyers need predictable dimensions to plan container loading. This PVC laminated tarpaulin is supplied in 2m × 75m and 2.1m × 50m configurations, both sized to maximise pallet and container utilisation. Consistent roll diameter across a shipment prevents stacking instability during ocean transit. When ordering mixed GSM grades for different end-use applications, each grade is produced in a dedicated run to avoid cross-contamination of pigment and coating chemistry. [NEED_CITE: coated fabric roll packing and container stowage best practices]
Reading GSM, Thickness, and Base Fabric Together
GSM alone does not define how a pool cover fabric will perform under tension. A 550gsm roll with a loose-weave base fabric may tear more easily than a 500gsm roll with a tighter polyester mesh. The high-strength polyester mesh base used here provides tear resistance at the yarn intersections, while the PVC lamination adds puncture protection and water barrier properties. Thickness values from 0.32mm to 0.65mm correspond to the GSM range and indicate the total coated cross-section — useful when matching material to welding equipment jaw clearance and hot-air nozzle settings.
The Hidden Cost of Underspecifying Weight for Pool Covers
Choosing the lightest GSM grade to reduce material cost per square metre often leads to premature failure at the pool cover’s anchor points, where wind uplift concentrates stress. Fabricators who switch from a 600gsm to a 350gsm grade without adjusting their weld parameters may find seams separating after a single season. Colour inconsistency across a mixed-weight order compounds the problem when replacement panels must be cut from a different roll batch. [NEED_CITE: tensile and tear test methods for coated fabrics per ISO 1421]
Why Buyers Source PVC Roll Stock Here
Each roll undergoes 100% inspection before dispatch, with GSM and coating weight checked against the stated specification. The production facility runs three full coating lines with 36 sets of professional equipment, supporting bulk volume without compromising batch control. A dedicated 10-person R&D team develops colour samples within days when a non-stock shade is required. Pre-shipment inspection records accompany every order, documenting roll-by-roll weight verification. ISO and CE certifications underpin the quality management system across all production stages.
Documentation & Verification
- Material specification sheet listing GSM, base fabric denier and coating chemistry per roll batch
- Weight verification record confirming each roll matches quoted GSM before dispatch
- UV and flame retardant test reports supplied where applicable treatments are specified
- Roll packing list with individual roll ID, net weight and running metres for receiving checks
- Certificate of origin and customs documentation for international container shipments
Fabrication, Handling & Storage
- Set hot-air welder temperature according to the specific GSM grade — 350gsm and 750gsm require different heat input for proper fusion
- Allow 2m and 2.1m rolls to acclimatise to workshop temperature before unrolling to prevent creasing in cold-stiffened PVC
- Store rolls upright on pallets in shaded, ventilated areas to avoid flat-spot deformation of the polyester mesh base
- Use a sharp rotary blade when cutting laminated PVC to prevent fraying the high-strength mesh yarns at panel edges
- Clean finished pool covers with mild detergent — avoid solvent-based cleaners that may attack the PVC coating surface
Planning Your PVC Laminated Tarpaulin Roll Order
To specify the correct material, share your end-use application, the exposure conditions the pool cover will face, and any fire safety or anti-static requirements for your target market. Confirm whether you need roll stock for your own cutting line or finished panels, along with your preferred roll width and annual volume. If a custom colour is required, request a sample swatch before committing to a production run.
Frequently Asked Questions
Q: How do I verify GSM when the rolls arrive?
A: Each shipment includes a pre-shipment inspection record with roll-by-roll weight data. On arrival, you can cut a measured sample from any roll and weigh it on a calibrated scale to confirm it matches the documented GSM. We recommend checking at least one roll per pallet.
Q: How is colour consistency maintained across a full container order?
A: Pigment batches are pre-mixed for the entire order volume before coating begins. Inline monitoring tracks colour uniformity across the web width, and rolls from the same production run are grouped together in the packing list for easy identification at your warehouse.
Q: Which roll width should I choose for my cutting line?
A: The 2m × 75m roll suits narrower cutting tables and yields more linear metres per roll, while the 2.1m × 50m roll provides extra width for larger pool cover panels and reduces the number of weld seams needed for wide formats.
Q: Can I order a custom colour with reasonable lead time?
A: Custom colours are available with a sample approval step before full production. Lead times depend on the colour complexity and order volume. Request a sample swatch first to confirm the shade matches your requirements.
Q: What certifications come with the shipment?
A: Every order includes ISO and CE certificates, a material specification sheet, and a roll packing list. Where anti-UV or flame retardant treatments are specified, the relevant test reports are included in the documentation package.
