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INSTRUCTION
1) THE INFRARED RAY AND VIOLET RAY PROOF WELDING FILTER HAS A CHIGVED A REMARKABLE RESULT FOR GUARDING AGAINST RADIATION DAMAGE OF THE INFRARED RAY AND THE VIOLET RAY. THIS PRODUCT HAS BEEN TESTED BY THE INSPECT AND TEST CENTRE OF LABOUR PROTECTION PRODUCTS QUALITY OF BIJING AND HENAN.IT IS UP TO GB 3609.1-94 OF CHINA NATIONAL STANDARDS. AND IT HAS THE HONOR TO GET THE CERTIFICATE OF THE NATIONAL PRODUCTS.
2) THIS PRODUCTS IS PROHIBITED TO PUT IT TOGETHET WITH THE ACID ,THE ALKALI AND THE OTHER POISONOUS SUBSTANCES DURING TRANSFERING AND STORING ,IT AVOIDS PRESSING ,HEATING,THE MOISTURE AND THE DIRECT SUNLIGHT.
3) HANDLE WITH CARE WHEN USING THIS PRODUCT ,DON′T CRASH IT WHEN ITS SURFACE IS DIRTY ,DO NOT CLEAR WITH YOUR HANDS OR HARD MATERIALS .OTHERWISE THE SURFACE FINISH AND THE CLARITY WILL BE DAMAGED WITH MARK.
4) APPROPRIATELY USE THIS PRODUCT .AFTER CONTIDUOUS USE .IT MAY APPEAR THE STREAK AND THE FISSURE .IN THIS CASE,DO NOT USE IT ANY MOTE.
5) ACCORDING TO THE DIFFERENT WORKING CONDITIONS,SUCH AS THE FACTORS OF HEAT SOURCE AND THE TEMPERATURES,ETC.YOU CAN CHOOSE AND USE THE DIFFERENT SHADING NO.TO FIT YOUR CONDITIONS.
THE USEFUL RANGE OF THE ARC WELDING FILTER
SHADING NO | FOR ARC WELDING OPERATING |
6 | UNDER 30A |
7 | 35A to 75A |
8 | |
9 | |
10 |
75A to 200A |
11 | |
12 |
200A to 400A |
13 | |
14 | ABOVE 400A |
double-defended welding filter glass