Products & specifications
720gsm potable water PVC liner
Product code 720 PW 300. Food grade plasticised PVC over a high-strength woven polyester base, fabricated by us into finished flexible tanks. Also available in an 800gsm heavy-duty grade below.

Product description
Safe. Durable. Engineered for drinking water.
- Food grade PVC liner
- Specially formulated to ensure safe contact with drinking water
- Approved by the Australian Water Board (AS/NZS 4020)
- Multilayer coating process for improved waterhead
- Food grade PVC
- Australian Water Board approved
- Woven polyester reinforcement
- Tear & tensile resistance
- Superior weldability
- Multilayer coating
- Gloss emboss finish
Technical specifications
720 PW 300
As supplied. Roll dimensions are nominal; thickness is the measured range across the coated web.
| Product code | 720 PW 300 |
|---|---|
| Product description | 720G Potable Water 3m |
| Formulation | Food grade plasticised PVC |
| Base fabric | Woven polyester |
| Visually inspected and graded | Yes |
| Product weight | 720 g/m² |
| Product width | 3 m |
| Roll length | 50 m |
| Emboss finish | Gloss |
| Packaging | On core, in plastic sleeve |
| Approximate thickness | 0.58 to 0.62 mm |
Typical properties
Tested figures, with the method beside them.
Warp and weft are reported separately because a woven base behaves differently along each axis, so design to the lower of the two.
Tensile strength
SANS 1421: 1998 · N/50mm
- Warp
- 2500
- Weft
- 2200
Tear strength
ISO 4674-1: 2016 Method B · N
- Warp
- 300
- Weft
- 250
Weld adhesion
ISO 2411: 2017 · N/25mm
- Warp
- 40
- Weft
- 40
Flame retardancy
SANS 1287-1: 2007 · s
- Warp
- NA
- Weft
- NA
Electrical resistance
SANS 5880: 2008 · MΩ
- Warp
- NA
- Weft
- NA
Fusion, 5 min in acetone
n/a · n/a
No flaking
NA means not applicable. Figures are typical values from production testing, not guaranteed minima; confirm against the batch certificate for a specific order.
Heavy-duty range
800gsm heavy-duty PVC liner
A durable heavy-weight PVC on the same woven polyester base, welded into tanks for storage that does not need drinking water approval.
- Durable 800gsm heavy-weight PVC on a woven polyester base
- The economical choice for irrigation, livestock and process water
- Same welded, single-membrane tank construction as the potable range
- Fabricated to your footprint, available to buy or to rent
The full 800gsm datasheet is available on request; tell us what you are storing and we will send it with the quote.
Which liner does your job need?
If people will drink the water, specify the 720gsm food-grade liner with its AS/NZS 4020 approval. For irrigation, livestock, process water, dust suppression and containment, the 800gsm heavy-duty liner stores the same water at a lower cost.