Item | Unit | KS Standard | ||
---|---|---|---|---|
Tensile Performance | Tensile Strength | N/§± | 0.3 or higher | |
Elongation at break | % | 600 or more | ||
Tearing Performance | Tearing Strength | N/§± | 2.9 or higher | |
Temperature Dependence | Tensile Strength Ratio (%) | Temperature at test | -20¡É | 700 or higher |
Temperature at test | 60¡É | 5 or higher | ||
Elongation between bites at break (%) | Temperature at test | -20¡É | 70 or higher | |
Temperature at test | 20¡É | 600 or higher | ||
Temperature at test | 60¡É | 600 or higher | ||
Heating Elasticity | Stretch Rate | % | -1 or more and 1 or less | |
Tensile Performance after Aging Treatment | Tensile Strength Ratio | Thermal Treatment | % | 80 or more and 150 or less |
Alkali Treatment | % | 80 or higher and 150 or less | ||
Elongation at break | Thermal treatment | % | 600 or more | |
Alkali Treatment | % | 600 or more | ||
Deterioration properties at the time of elongation | Thermal treatment | - | There shall be no cracks or obvious deformations on any test piece. | |
Adhesion Performance | After repeated cold and hot treatment | State of the membrane | - | There shall be no floating or stripping on the membrane in any specimen. |
Anti-fatigue Performance | - | There shall be no puncture, tear, or breakage of the membrane in any specimen. | ||
Solid Content | % | Display Value, ¡¾ 3 | ||
Reference | Mostly unexposed-type |