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Special Features of ASTM-D178 Switchboards Mats
|Product Code||Class||Thickness||Working Voltage||AC Proof|
|Di-electric Strength||Weight per m2|
|ASTM 001||0||3.2 mm||1.0 KV||5.0 KV||6.0 KV||5.0 Kgs|
|ASTM 002||1||4.8 mm||7.5 KV||10.0 KV||20.0 KV||7.5 Kgs|
|ASTM 003||2||6.4 mm||17.0 KV||20.0 KV||30.0 KV||10.0 Kgs|
|ASTM 004||3||9.5 mm||26.5 KV||30.0 KV||40.0 KV||15.0 Kgs|
|ASTM 005||4||12.7 mm||36.0 KV||40.0 KV||50.0 KV||20.0 Kgs|
|-||Upto 25.0 mm||Upto 36.0 KV||Upto 40.0 KV||Upto 50.0 KV||-|
|Material Composition||Elastomer free from any insertion. Typically, a combination of natural rubber and other synthetic polymers.|
|Antiskid Design||Our standard design is both side antiskid textured surface finish. However, top side fine ribbed design is also available on request.|
|Tensile strength (T.S.)||4.83 Mpa (min.)|
|Elongation at Break (E.B.)||250% (min.)|
|Ageing Properties at 70±1°C for 168 hours.||Tensile strength not less than 50% of original value.|
|Moisture Absorption||1.5% (max.)||3.0% (max.)|
|Ozone Resistance (Type IIA)||N.A.||No visible effect.|
|Flame Resistance (Type IIB)||N.A.||12.7 mm height max. after 30 secs.|
|Oil Resistance (Type IIC)||N.A.||4% max. volume increase.|
|Standard Size & Design||1) 1.0 Mtr. Wide x 10.0 Mtr. Long.
2) 1.2 Mtr. Wide x 10.0 Mtr. Long.
|Custom Size & Design||Max. width upto 2400mm, length upto 20M and thickness upto 25mm available in Texture Design only.|
|Standard Colour||Black & Grey without Metallic Derivatives.|
|Manufacturing Tolerance||±10% on thickness, ±2% on length & width.|
|Type||Unless specified, insulating matting shall be supplied as per Type I grade. Also available on request, Type II grade (A-Ozone Resistance, B-Flame Resistance, C-Oil Resistance) with combination of all three or individual properties.|