China Spot Wave Cooling Tower Film Fill, Find details about China PVC Film Fills, Cooling Tower Fills from Spot Wave Cooling Tower Film Fill
| No. | Item | symbol | unit | symbol | test method | |
| 1 | density | ρ | g/cm3 | ≤1.55 | GB/T 1033 | |
| 2 | Heat the longitudinal shrinkage rate | S | % | ≤3.0 | ||
| 3 | tensile strength | lengthways | σt | MPa | ≥42.0 | GB/T 13022 |
| crosswise | ≥38.0 | |||||
| 4 | elongation at break | lengthways | εt | % | ≥60 | GB/T 13022 |
| crosswise | ≥35 | |||||
| 5 | tear strength | lengthways | σtr | kN/m | ≥150 | GB/T 1130 |
| crosswise | ≥160 | |||||
| 6 | Folded in half Coldness Resistance Temperature | ordinary type | tb | ºC | ≤-22 | |
| Frigostabile type | ≤-35 | |||||
| *7 | Folded in half Coldness Resistance Temperature after hygrothermal aging | ordinary type | tb (W·H) | ºC | ≤-8 | |
| Frigostabile type | ≤-18 | |||||
| *8 | oxygen index | OI | -- | ≥40 | GB/T 2406 | |
| No. | Item | symbol | unit | symbol | test method | |
| 1 | density | ρ | g/cm3 | ≤1.55 | GB/T 1033 | |
| 2 | tensile strength | lengthways | σt | MPa | ≥42.0 | GB/T 13022 |
| crosswise | ≥38.0 | |||||
| 3 | tear strength | lengthways | σtr | kN/m | ≥150 | GB/T 1130 |
| crosswise | ≥160 | |||||
| 4 | Folded in half Coldness Resistance Temperature | ordinary type | tb | ºC | ≤-8 | |
| Frigostabile type | ≤-18 | |||||
| *5 | oxygen index | OI | -- | ≥40 | GB/T 2406 | |