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Welding mask,Auto-Darkening Welding Helmet,Welding accessories-CNHM-2-PA III
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(HIGH WELDING MANUFACTURE)Wenzhou Longwan Foreign Trade Co., Ltd.
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Welding mask,Auto-Darkening Welding Helmet,Welding accessories-CNHM-2-PA III
| Subject: | Welding mask,Auto-Darkening Welding Helmet,Welding accessories-CNHM-2-PA III |
| Update Date: | 2009-12-30 10:47:33.0 |
| Valid Period: |
Never expired
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Description
Technical Parameter:
Light shades Avaliable: DIN 4#
Dark shades Avaliable:DIN9-13#
Response Time:not less than 0.5ms (under the room temperature)
Delay Control:Quick-grade---0.3s,show-grade---2s
Service life: More than 5000h
Working Temperature:-5℃（23℉）~ +55℃（131℉）
Viewing Area:90X40mm Size of Appearance:110X90X9mm
Permeating Rate of Ultraviolet Radiation:313nm≤0．00006% 365nm≤0．000061%
Rermeating Rate of infrared Ray:780 ~ 1300nm≤0．003% 1300 ~ 2000nm≤0．0094%
Materials:PA
Weight:570g
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