2751 Fiberglass sleeving coated with silicone rubber is the E-glass fiber braided sleeving coated with silicone rubber. It is produced with the process of thermal treatment and vulcanization.Characters -Temp. Class H (180ºC) -Self-extinguishment. -great dielectric&chemical resistance. -excellent softness and elasticity. Application -Suitable for wiring insulation and machine protection for H-grade electric machines, electric appliances, instruments, radios and other electric devices.
Technical parameteritem | unit | normal value | |||
inner dia.&wall thinckness(mm) | mm | inner diameter(mm) | wall thickness(mm) | ||
standard | tolerance | min | max | ||
1; 1.5; 2; 2.5; 3; 3.5 | +0.30 | 0.35 | 0.65 | ||
-0.10 | |||||
4; 4.5; 5; 6 | +0.40 | 0.40 | 0.80 | ||
-0.20 | |||||
7;8;9 | +0.50 | 0.50 | 0.90 | ||
-0.30 | |||||
10;11;12 | +0.80 | 0.60 | 1.00 | ||
-0.50 | |||||
Bending after heating. | / | No cracking,detachment, rise or discolor of coating shall be visible after bending around mandrels after 24h at 250+-5℃ | |||
Bending at low temperature | No cracking,detachment or rise of coating shall be visible after bending around mandrels while at -70+-3℃ | ||||
Breakdown Voltage | Kv | ≥4,≥7 | |||
Self-extinguishment | ≤10s |