Certified Laboratory Testing Program
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JM Test System’s is fully accredited for testing high voltage rubber protective goods, to the following ASTM/ANSI Standards:
D120 / F496
D1051 / F496
D1048 / F479
D1050 / F478
Rubber Insulation Covers
D1049 / F478
Rubber Insulating Matting
Hot Stick and Hot Line Tools
Insulating Plastic Guards
Insulating Aerial Devices
Protective Grounds used on de-energized electric power lines
A. Solvent Cleaning – Solvent is environmentally acceptable, MSDS statement provided
B. Detergent Washing – Mild detergent is used, MSDS statement provided.
C. Dielectric Testing – Procedure is done in accordance with ASTM Standards, Rubber goods are rejected during this step for: 1. Electrical breakdown. 2. Leakage current exceeding maximum limits set forth in ASTM Standards.
D. Drying – Drying is done with circulating warm air.
E. Visual Inspection – Rubber goods are carefully inspected inside and out for age cracking, imperfections in the rubber, minor tears, chemical attack and corona cutting.
F. Stamping – Rubber goods are stamped in ink and the boxes are labeled in accordance with ASTM.
G. Packing – Rubber goods will be packed in cartons. Rejected gloves shall be so marked and returned.
H. Documentation – Written certification of results will be furnished for all tested materials.
Visit our Accreditation page to see details concerning our protective equipment testing certification.
For more information regarding JM Test Systems’ certified laboratory tesing program, please contact us at 800-353-3411 or email us at [email protected].