UL94标准
• UL94 HB flammability standard (UL94 HB可燃性标准) ﻫo Requirements for HB (HB的要求条件) ﻫ• UL94 V-0, V-1, V-2 flammability standard (UL94 V-0, V-1, V-2可燃性标准) ﻫo Requirements for V-0 (V-0的要求条件) ﻫo Requirements for V-1 (V-1的要求条件) ﻫo Requirements for V-2 (V-2的要求条件) ﻫ• UL94 5VA & 5VB flammability standard (UL94 5VA & 5VB可燃性标准)
o Requirements for 5VA (5VA的要求条件) ﻫo Requirements for 5VB (5VB的要求条件)
• UL94 criteria summary (UL94判定标准摘要)
• Glow Wire testing ﻫ• Obtaining material recognition (取得材料认证) ﻫ• UL test descriptions (UL测试描述) ﻫ• UL for RTP Company (RTP公司的UL档案号码) ﻫ• Requesting a UL Yellow Card from RTP Company (向RTP公司要UL黄卡) ﻫﻫUL 94 HB flammability standard(UL94 HB可燃性标准)ﻫSpecimen 试片
Length 125 mm (5 in) x Width 13 mm ( in) x Thickness [typically mm (1/16 in) or mm (1/8 in) or mm (1/4 in)]. ﻫ长125mm(5")X宽13mm(1/2")X厚度[一般为1.5mm(1/16")、 (1/8") (1/4")厚]ﻫProcedure 程序
1. Three specimens of each thickness are tested after conditioning for 48 hours at 23 degrees C and 50% RH.ﻫ每一种厚度准备了三个试片,测试前先在23℃和50%相对湿度下放置48小时。 ﻫ2. Each specimen is mounted with its long axis horizontal and its short axis at a 45 degree 、短轴呈45°方式固定。 ﻫ3. Each specimen is marked with two lines, 25 mm and 100 mm from one end of the specimen.
每一试片在25mm及100mm处画线做记号。 ﻫ4. Each specimen is supported at one end such that
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