Complaint
| Test item | unit | index | Test method |
| weight | g/m2 | 130 | |
| water tightness(mm) | 1500-3000 | GB/T 328.10-2007 | |
| Breaking strength | N/50mm | 150-200 | GB/T 328.9-2007 |
| Breaking eiongation rate(%) | ≥35 | ||
| Thermal ageing(%) | ≥80 | GB/T 18244-2000 GB/T 328.9-2007 Temperature 80ºC,Time 168h |
CHARACTERISTICS:
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Typical property values: | ||||
Property | Item | Test Method | Unit | Standard Value |
Physical Performance | Density | ASTM D792 | G/cm3 | 0.9 |
Absorption Rate,24hrs | ASTM D570 | % | <0.01 | |
Tensile Strength | ASTM D882 | psi | 3800 | |
Mechanical Performance | Tensile Elongation at Break | ASTM D882 | % | >600 |
Vicat Softening Temperature | ASTM D1525 | °C | 150 | |
Dielectric Strength(0.43mm) | ASTM D149 | KV | 28.0 | |
Volume Resistivity 25°C,50%RH | ASTM D257 | Ω·cm | >1.0×1016 | |
UL Flammability | Film thickness ≤0.25 mm | UL BULLETIN 94 | UL94 | VTM-0 |
Film thickness >0.25 mm | V-0 | |||
Electrical Performance | Surface Resistivity 25°C,50%RH | ASTM D257 | Ω | >1.0×1015 |
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ePTFE vent membrane for electronic venting Reduce condensation, prevent contamination, Equalize pressure, gas permeable, oleophobic , waterproof ,anti -dust 1.Because of the environmental temperature variations, fluctuations caused by electronics and lights , engine heat , frictions and water spray , Water and water vapor can enter enclosures from a variety of points including seals, cracks, breathers and even the plastic used in connectors and housings. If these pressures are not equalized or relieved, they create stress on the housing and seals that can cause cracks, condensation, leaks and seal failures that will eventually lead to water and contaminants entering the housing and device failure. 2.Electronic ePTFE vents which made by Micro-VENT EPTFE allow gas transmission while providing a reliable, long-lasting barrier from water, fluids, dust and other contaminants in a variety of part applications. Changing temperatures can cause pressure differentials between the inside of the housing and the external environment. Micro-VENT electronic vent membrane IP rate varies from IP65, IP67, IP68 to IP69 in line with GB4208-2008/IEC60529: 2001 "Degrees of protection provided by enclosures (IP code ) standard. |
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