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© 《China Plastics》
China Plastics ›› 2024, Vol. 38 ›› Issue (7): 112-119.DOI: 10.19491/j.issn.1001-9278.2024.07.019
• Review • Previous Articles Next Articles
LIU Shunquan1(), ZHANG Xinyue2, FENG Zhanmiao2, FU Chenchao1, XUE Ping1, ZHANG Run1(
)
Received:
2023-11-02
Online:
2024-07-26
Published:
2024-07-24
CLC Number:
LIU Shunquan, ZHANG Xinyue, FENG Zhanmiao, FU Chenchao, XUE Ping, ZHANG Run. Research progress in modification techniques and performance optimization of PTFE[J]. China Plastics, 2024, 38(7): 112-119.
技术指标 | 纯PTFE指标 | 测试标准 |
---|---|---|
相对密度/g·cm-3 | 2.10~2.30 | GB/T 1033.1 |
布氏硬度 | 456 | HG 2⁃168⁃1965 |
吸水率/% | ≤0.01 | ASTM D570 |
摩擦因数 | 0.02~0.10 | ASTM D1894 |
极限氧指数/% | ≥95 | ASTM D2863 |
熔融温度/℃ | 326~327 | ASTM D4591 |
拉伸强度/MPa | 27.06 | GB/T 1040—2018 |
断裂伸长率/% | 233 | |
弯曲强度/MPa | 20.3 | GB/T 9341—2008 |
压缩强度/MPa | 12.6 | GB/T 1041—2008 |
缺口冲击强度/kJ·m-2 | 2.41~3.10 | GB/T 1043—2008 |
线膨胀系数/1/℃×10-5 | 10.3 | GB/T 1036—2008 |
导热系数/kcal·(m·h·℃)-1 | 0.24 | 平板法 |
技术指标 | 纯PTFE指标 | 测试标准 |
---|---|---|
相对密度/g·cm-3 | 2.10~2.30 | GB/T 1033.1 |
布氏硬度 | 456 | HG 2⁃168⁃1965 |
吸水率/% | ≤0.01 | ASTM D570 |
摩擦因数 | 0.02~0.10 | ASTM D1894 |
极限氧指数/% | ≥95 | ASTM D2863 |
熔融温度/℃ | 326~327 | ASTM D4591 |
拉伸强度/MPa | 27.06 | GB/T 1040—2018 |
断裂伸长率/% | 233 | |
弯曲强度/MPa | 20.3 | GB/T 9341—2008 |
压缩强度/MPa | 12.6 | GB/T 1041—2008 |
缺口冲击强度/kJ·m-2 | 2.41~3.10 | GB/T 1043—2008 |
线膨胀系数/1/℃×10-5 | 10.3 | GB/T 1036—2008 |
导热系数/kcal·(m·h·℃)-1 | 0.24 | 平板法 |
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