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EN 60335-1 表3中 ZB,ZC,ZD 中有要求。
9 t; @& z1 G. bzb When the thickness of plastic coating does not exceed 0,3 mm, the temperature rise limits of coated metal or glass and ceramic apply.
: ]5 c# K8 g$ z; i* uzc Metal is considered coated when a coating having a minimum thickness of 80 μm made by enamel or non substantially plastic coating is used.
: {, H# u# B" I, U8 L8 Fzd The temperature rise limit applies also for plastic material having a metal finish of thickness less than 0,1 mm.
1 n' S7 G& E2 Q) ^9 x& x' S# q
6 y; K' u- W6 Y4 X8 W* vof bare metal 50
) V0 o7 F% h6 Q- X: ?/ g$ z – of coated metal zc 60
% [/ y! ^4 [9 e/ W7 L% R9 p* r– of glass and ceramic 652 m9 y- \( w2 P7 L1 R% \
– of plastic having a thickness exceeding 0,3 mm zd 75
' ^, O1 w q& e8 b |
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