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

) f8 Z4 f! _& bA:乳白色亚克力罩子
Kit quantity: 20,000
LENS
MRK Kit lens U Rating
1 ]; d9 W: _! c. ]LENS
/ U, N. J  z. d. f: `MRK Kit lens UL Rating
o UL94H_B
  x& U3 n7 S; t- |! H3 b9 K# mThe standard classifies plastics according to how they burn in various orientations and part
thicknesses from the lowest flame-retardant to most flame-retardant in six different classifications.
3 x' N8 f: e# i, p7 [4 e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
$ X! a2 K! B& U% z3 p% |2 o阻燃剂分为六个不同的类别。，
" Z+ C' B/ q$ V4 n5 Ao UL 94 Rating. Definition of Rating. HB. Slow burning on a horizontal part.
. ]3 N6 }' [9 Z$ x! uis 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
毒物质或烟雾)
- O1 ?1 P1 j6 n  x& O4 A. oOpal acrylic lens, 1/8" thick
橡胶透镜，1/8 英寸厚
o UL 94 Rating. Definition of Rating. HB. Slow burning on a horizontal part.
9 O/ {( f! I0 a6 jis 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(或在火灾中不释放毒
  v! _1 X1 s- Y2 m3 }* M物质或烟雾)
p Opal acrylic lens, 1/8" thick
橡胶透镜，1/8 英寸厚
4 K! L3 D# D2 G
9 k# N" Z( {* _: q