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EN 71-1 4.23.2 ' j8 t& e; J, j0 v) V- i
a) Any loose as-received magnet(s) and magnetic component(s) shall either have a magnetic flux index less than 50 kG2mm2 (0,5 T2mm2) when tested according to 8.35 (magnetic flux index), or shall not fit entirely in the cylinder when tested according to 8.2 (small parts cylinder)." ~2 a" f" k2 X, B
也就是说,如果磁铁磁通指数>50或是小部件都是不能接受的.该磁体包括接受状态松散的磁体及磁性部件,以及滥用测试后脱落的磁体和磁性部件.
3 u1 [$ l; I5 @ s而警告语的要求仅针对8岁以上儿童使用的磁/电性实验设备中的危险磁体:0 I9 r" D5 ^( s2 G0 C3 [
Magnetic/electrical experimental sets intended for children over 8 years shall carry a warning (see 7.20).+ q1 b7 R8 v: l- c' j' p% S; g
1 W9 F% P# R* y. O& fASTM F963 4.38 明确规定玩具不能含有危险磁体(部件),且滥用后不能释放危险磁体(部件).详见4.38.1和4.38.2.而警告语要求也只提及8岁以上儿童使用的包含危险磁体的娱乐,手工艺和科学试验成套物品.2 _% K0 Y+ j1 a6 [, C
* }' R# v' e9 E( H9 C: n以上仅个人观点,仅供参考. |
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