Heavy Wall Tube [For 36KV]

Test Description Recorded Vaue Test Method
Physical
Tensile Strength 12 N/mm2 (MPA) (min.) ASTM D638
Ultimate Elongation 300% (min.) ASTM D638
WaterAbsorption 0.5% (max.) ASTM D570
Density 1.20 ± 0.2 gm/cm3 ASTM D792
Hardness 45 ± 10 shore D ASTM D2240
Thermal
Accelerated ageing (120oC for 500 Hrs) ASTM D2671
Tensile Strength 10 N/mm2 (Mpa) (min.) ASTM D 638
Ultimate Elongation 250% (Min.) ASTM D 638
Low temperature Flexibility (-40ºC for 4 Hrs.) No Cracking ASTM D2671
Heat Shock  (250oC for 30 Min.) No Cracking or flowing ESI 09-11
Shrink Temperature 125oC IEC 216
Continuous Temp. Limit -40oC to  + 105oC IEC 216
Electrical
Dielectric Strength 22 KV/mm.(min.) ASTM D149
Volume Resistivity 1 x 1014 Ohm.cm(min.) ASTM D257
Dielectric constant 5 (Max.) ASTM D150
Resistant to track & erosion No tracking, erosion or flame failure upto 3.25 KV for 20 min. ASTM D2303