Opal acrylic lens这是什么意思 乳白色亚克力罩子

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Q: Opal acrylic lens这是什么意思
% a: `9 c# Q9 M2 X
A:乳白色亚克力罩子
Kit quantity: 20,000
LENS
/ Z: X4 z- Y4 _0 p' `MRK Kit lens U Rating
9 H+ Q1 k5 ]  J# L5 J4 PLENS
MRK Kit lens UL Rating
$ p0 |, j7 d) {' L8 Ho UL94H_B
The standard classifies plastics according to how they burn in various orientations and part
0 f0 P% a! d& f8 _thicknesses from the lowest flame-retardant to most flame-retardant in six different classifications.
7 ^0 {! Z# K% H3 C  S: \7 m7 n- q本标准根据塑料在不同方向燃烧的方式和部分厚度将塑料分类，从最低阻燃剂到最高
( F0 K& n& }  ]/ p! ^阻燃剂分为六个不同的类别。，
o UL 94 Rating. Definition of Rating. HB. Slow burning on a horizontal part.
% X! e9 S1 T) C& dis the lens fire retarded (or does not emit toxic materials or fumes in a fire)
94级。定额定义。Hb.水平方向上的缓慢燃烧。是镜头着火延迟(或在火灾中不释放有
5 B7 ]& a* m. o2 b% G- E" [毒物质或烟雾)
) ^9 X( V( |- q8 X/ _Opal acrylic lens, 1/8" thick
3 M* m* c1 R$ @3 _7 I, L+ W橡胶透镜，1/8 英寸厚
: M& w) ]) z5 E4 S- T  yo UL 94 Rating. Definition of Rating. HB. Slow burning on a horizontal part.
is the lens fire retarded (or does not emit toxic materials or fumes in a fire)
/ e- ]$ n" n. C5 A7 k- s94级。定额定义。Hb.水平方向.上的缓慢燃烧。是镜头着火延迟(或在火灾中不释放毒
7 \7 G- |4 e# d4 T" y物质或烟雾)
p Opal acrylic lens, 1/8" thick
橡胶透镜，1/8 英寸厚