| Sheet / roll |
190 gsm ±20 g/m² woven Polyethylene (HDPE) inner black fibers, warp x weft,
laminated on both sides with LDPE coating
|
| Denier
|
Min 1000 |
| Tensile strength |
Min 600N both directions warp and weft (BS 2576, 50mm grab test or equivalent) |
| Tear strength
|
Min 100N both directions (BS 4303 wing tear or equivalent) or under ISO 4674
(A2) |
| UV resistance
|
Max 5% loss of original tensile strength under ISO 1421 after 1500 hours
UV under ASTM G53/94 (UVB 313nm peak) |
| Welding
|
Only 1 is allowed, lengthwise. Min resistance 80% of original tarpaulin tensile
strength in the weft under ISO 1421 plus additional procedure |
| Eyelets
|
Aluminum reinforcement eyelets or equivalent on 4 sheet sides of single sheets
at 100cm (±5 cm) Centre to Centre, providing very strong fixation |
