ul 20895 材料 - 無圖版
JYDLDSJ --- 2008-12-11 17:32:21
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ul 20895 絕緣和護(hù)套材料是什么？
hust --- 2008-12-12 21:53:19
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| UNDERWRITERS LABORATORIES | APPLIANCE WIRING MATERIAL |
| Subj.758 | Section 2 | Page 20895 | Issued:1995-08-11 |
| | | Revised:2008-05-27 |
| Style 20895 | Jacketed Cable. |
| Rating | 90 deg C, 1000 Vac, Cable flame. |
| Conductor | 40 AWG min - Material not specified. |
| Insulation | Labeled or complies with manufacturer's AWM Procedure. |
| Assembly | Two or more twisted singles or groups of twisted singles twisted together. Lay not specified. Barrier layer over cable core or individual singles and/or fillers optional, manufacturer shall maintain a complete description of each assembly. |
| Shield | Optional. May be over one or more of the insulated conductors or applied over the assembly. |
| Jacket | PUR - See Facing Page for Compound |
| dia in inches of 0.425 or less | 50 mils min average | 40 mils minimum at any point |
| 0.426-0.700 dia | 66 avg | 52 min |
| 0.701-1.500 dia | 88 avg | 70 min |
| 1.501-2.500 dia | 120 avg | 96 min |
| 2.501 dia and larger | 154 avg | 124 min |
| Standard | Appliance Wiring Material UL 758. |
| Use | As internal wiring or external interconnection of electronic equipment (such as computers and business machines). |
JYDLDSJ --- 2008-12-13 10:56:18
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我有這個(gè)活頁，也了解了一些情況，絕緣材料中沒有具體規(guī)定那種材料，只是說經(jīng)過Labeled 或符合AWM要求的材料，像交聯(lián)聚乙烯等材料，我手中有一段國外的樣品，分析下來不是XLPE，很薄，35平方的絕緣厚度只有0.8mm，而且表面很滑，亮，硬、是氟制品，
護(hù)套是聚氨酯嗎？
導(dǎo)體是特軟的0.07的，我們怎么做呢？設(shè)備？
望高人指點(diǎn)�。。�
hust --- 2008-12-13 13:22:45
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個(gè)人感覺絕緣不太可能是氟塑料,因?yàn)槌杀咎?而且要求耐溫90度,氟塑料可達(dá)200度,有可能是聚酯料,護(hù)套是聚氨酯.
-- 結(jié)束 --