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有的也叫加热变形试验-----实际与楼上李兄说的是一样的;6 q8 `6 w1 f1 e; a" e% ]
例如--UL62规定:! c' `1 P' _ K+ |( ?
NMX-J-191! ~4 z3 V) x: r' J2 J) j- f
Heat Deformation of Semiconductive Shielding, Insulations and Protective Coverings of Electrical0 T3 E# S: I5 \( X, [
Conductors – Test Method
{$ N2 e: S% n2 {1 F) m- p7 W b
5.1.3 Deformation
4 j) g/ _2 p7 e- V8 F; L5.1.3.1 Insulation
0 w' q1 w" `3 c, @9 B* l# h, JThe insulation on single-conductor wires, and on the individual conductors (separated, in the case of2 J& r0 b1 N% U( {
parallel cords), shall not decrease by more than 50% in thickness when subjected to a force caused by a
$ f2 ^, p) U# {; ~5 O2 ]9 Kmass as shown in Table 40, and while maintained at the temperature shown in Table 40 for 1 h.. F0 J2 j( e% }; B- c
5.1.3.2 Jacket
4 _8 e/ A0 X, D2 R! M; ?$ T KSmoothed specimens of jackets from finished cords and cables shall not decrease by more than 50% in
Y1 k8 \, k7 l2 ^thickness when subjected to a force caused by a mass of 2000 g, and while maintained at the temperature
9 j5 s/ u) G9 d2 Y# [+ Wshown in Table 40 for 1 h.
8 [6 g$ x# S. ^" q3 b. Q# A. _* Z5.1.3.3 Method9 r {7 K; d I/ p+ B
Compliance with Clauses 5.1.3.1 and 5.1.3.2 shall be determined in accordance with the method
# t) [! S# L( r+ k! Z- {- T1 ^, }described in CSA C22.2 No. 0.3, Clause 4.3.6.1; UL 1581, Section 560; or NMX-J-191-ANCE. |
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