RRT Tianrun Yizhou Cable Factory Answers the performance of PBT material for cable loose tube, consult PBT material performance for telephone cable loose tube
Serial number | Project | Indicator | Remarks |
1 | Density (g/cm3) | 1.25~1.35 | |
2 | Melt index (250 ° C, 2160g) | 7.0 to 15.0 | |
3 | Water content (%) | ≤0.1 | |
4 | Saturated water absorption rate (%) | ≤0.5 | |
5 | Yield strength (MPa) | ≥50 | |
Yield elongation (%) | 5.0~10 | ||
Elongation at break () | ≥100 | ||
Tensile modulus of elasticity (MPa) | ≥2100 | ||
6 | Flexural modulus of elasticity (MPa) | ≥2200 | |
Bending strength at 3.5% strain (MPa) | ≥60 | ||
7 | Melting point (°C) | 210~230 | |
8 | Shore hardness HD | ≥70 | |
9 | Cantilever beam notched impact strength (kJ/m2) 23°C -40 ° C | ≥5.0 ≥4.0 | |
10 | Linear expansion coefficient (23~80°C) 10-4K-1 | ≤2.0 | |
11 | Volume resistivity (Ω·cm) | ≥1×1015 | |
12 | Heat distortion temperature °C 1.8MPa 0.45MPa | ≥55 ≥170 | |
13 | Material compatibility with filler compounds Strength method Yield strength (Mpa) Elongation at break (%) | ≥50 ≥100 |
Editor: (Hardware Business Network Information Center) http://news.chinawj.com.cn
Twin Spot Emergency Light ,Led Twin Spot Emergency Lights,Led Emergency Twin Spot Light,Led Emergency Twin Spot
NINGBO JIMING ELECTRIC APPLIANCE CO., LTD. , https://www.feituosafety.com