Underwriters Laboratories lnc.File E 348482
長度:自熄套管長度為1000()毫米(連續(xù)長度可由供需雙方另議)。
Silicone coated fiberglass sleeving treated at a high temperature is the sleeving braided with non-alkali fiberglass and coated with a special kind of silicone resin. Self-extinguishable fiberglass sleeving possesses good qualities of dielectric,self-extinguishment,excellent softness and elasticity.It is widely used as wiring insulator for H grade electrical machinery,domestic electrical appliances、TV sets、and electric equipments, and also for the protection of collected stands of wire.Now this product has passed UL recognition and the UL File NO,is E 348482.
Length:The standard length of the sleeving is 1000( )mm (Continuous length may be negotiated).
外觀:白、紅、黃、藍、黑色等,端部平整。
耐熱性:在250±5℃的恒溫箱中放置24小時,漆膜不剝落、不變色。
自熄性:Ф3.5mm以下小于10秒,
Ф4~8mm小于15秒。
擊穿電壓:
?、裥?常態(tài)擊穿電壓大于4000伏。
?、蛐?常態(tài)擊穿電壓大于2500伏。
Ⅲ型 常態(tài)擊穿電壓大于1500伏。
Appearance:White、red、yellow、blue、black,clear and neat ends.
Heat resistace:After the sleeving has been treated under a temperature of 250±5℃ in a cabinet for 24 hours,the coating of the sleeving should not appear detached and discolored.
Self-extinguishment:Shorter than 10 seconds if the diameter of the sleeving is(or less than)3.5mm.But shorter than 15 seconds if the diameter of diameter of the sleeving is 4 to 8mm.
Breakdown voltage:
TypeⅠ Not lower than 4000V.
TypeⅡ Not lower than 2500V.
TypeⅢ Not lower than 1500V.