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EN 60335-1 表3中 ZB,ZC,ZD 中有要求。2 S$ S1 s7 L8 S1 x: G$ Z+ t
zb When the thickness of plastic coating does not exceed 0,3 mm, the temperature rise limits of coated metal or glass and ceramic apply.
* @7 |- S- U# ^# lzc Metal is considered coated when a coating having a minimum thickness of 80 μm made by enamel or non substantially plastic coating is used.
" v [0 \+ F2 d ^; F) Hzd The temperature rise limit applies also for plastic material having a metal finish of thickness less than 0,1 mm.* X% r) \ u4 l$ q: d
0 O/ f$ B3 ~5 P) K3 y8 e
of bare metal 50( h! l0 |6 j3 Q5 @9 K8 n
– of coated metal zc 60
1 V8 M# w, U5 |, H– of glass and ceramic 65
2 y% X ?/ d" e. H u9 d– of plastic having a thickness exceeding 0,3 mm zd 75
: y t) I" ^5 p: j% [2 v* @1 b3 y |
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