|
有的也叫加热变形试验-----实际与楼上李兄说的是一样的;: K0 }" r8 g) [. j
例如--UL62规定:
+ h: k3 Y, r1 u+ h3 rNMX-J-191
1 U G& ~- f. x8 |7 D! E9 g+ @/ W+ |Heat Deformation of Semiconductive Shielding, Insulations and Protective Coverings of Electrical
) u0 N" g! y" }1 ]Conductors – Test Method
# D# |6 U; m7 t0 S1 [2 X: c, M( `/ l1 z
5.1.3 Deformation
- a+ Q! d3 t! {, f+ `& J5.1.3.1 Insulation
% R0 Z* u2 k2 T9 jThe insulation on single-conductor wires, and on the individual conductors (separated, in the case of
; z' ~) D' e: w. q4 |. Pparallel cords), shall not decrease by more than 50% in thickness when subjected to a force caused by a
% j/ C8 z, S, W0 Nmass as shown in Table 40, and while maintained at the temperature shown in Table 40 for 1 h.
0 w2 \0 x; \' Z9 P2 L/ F3 z; y2 V) y5.1.3.2 Jacket7 w4 o2 _& S" A- a: Q
Smoothed specimens of jackets from finished cords and cables shall not decrease by more than 50% in# n+ t7 [3 W$ O; [
thickness when subjected to a force caused by a mass of 2000 g, and while maintained at the temperature$ o- T/ k# P. h. f8 H9 Y6 H$ R* l$ D
shown in Table 40 for 1 h.
+ V. N& x4 O9 T( F& Q: }5.1.3.3 Method' F, h7 l3 t" V; r8 G& g
Compliance with Clauses 5.1.3.1 and 5.1.3.2 shall be determined in accordance with the method
- u; }+ I& f2 S9 J+ odescribed in CSA C22.2 No. 0.3, Clause 4.3.6.1; UL 1581, Section 560; or NMX-J-191-ANCE. |
|