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EN 60335-1 表3中 ZB,ZC,ZD 中有要求。+ C0 S9 ]/ W9 u
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.0 V, V% l' @, \% B! A3 |3 t
zc Metal is considered coated when a coating having a minimum thickness of 80 μm made by enamel or non substantially plastic coating is used.
/ I2 K( s* \, x9 S, a& }7 _zd The temperature rise limit applies also for plastic material having a metal finish of thickness less than 0,1 mm.; ?0 y f6 g6 o' J* g
8 j0 f% \1 n6 W% a. Mof bare metal 50
" d+ O1 K8 a: Q4 U/ r) } – of coated metal zc 60
- R2 l) _1 j, q$ \, q– of glass and ceramic 651 \# p0 M, O% S5 r: U6 n
– of plastic having a thickness exceeding 0,3 mm zd 75
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