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Electrical Insulating Rubber

Time:2011-02-27 17:37Writer:djsilicone View:3091


    This product has good processability, good electrical insulativity, electrical erosion resistance, hydrophobicity and flame retardance. Its tracking resistance has reached the class 1A4.5. Molding and injection molding type can both meet the process requirements of customers. It is applicable to manufacturing of various composite insulators, surger arresters, insulators and high- & low-voltage electrical fittings for electrical lines of railways and urban light rails.

Category Product model Appearance Hardness
Shore A
Tensile strength Mpa ≥ Elongation at break
% ≥
Breaking set % ≤ Tear strength B
kN/m ≥
Specific density
25℃ g/cm3
Type 1 is applicable to molding,    
Type 2 is applicable to injection molding
NE-T-1
NE-T-1U
  White      60±2 4.5 280 2 13 1.52±0.05
NE-T-2
NE-T-2U
60±2 4.5 300 2 13 1.52±0.05
NE-C-1
NE-C-1U
60±2 4.0 280 2 13 1.52±0.05
NE-C-2
NE-C-2U
60±2 4.0 300 2 13 1.52±0.05
NE-D-1
NE-D-1U
58±2 4.0 240 2 13 1.52±0.05
NE-D-2
NE-D-2U
58±2 4.0 260 2 13 1.52±0.05
NE-E-1
NE-E-1U
58±2 4.0 240 2 12 1.52±0.05
NE-E-2
NE-E-2U
58±2 4.0 260 2 12 1.52±0.05
Category Product model Appearance Dielectric breakdown voltage KV/mm ≥ Volume resistivity
Ω.cm ≥
Flame retardance Dielectric constant Dielectric loss
tgδ≤
Tracking resistance TMA (1A4.5 grade: corrosion depth mm≤2.5)
Type 1 is applicable to molding,    
Type 2 is applicable to injection molding
NE-T-1
NE-T-1U
  White      22 7x1014 FV-0 3~4 3x10-2 Pass
NE-T-2
NE-T-2U
22 7x1014 FV-0 3~4 3x10-2 Pass
NE-C-1
NE-C-1U
20 5x1014 FV-0 3~4 6x10-2 Pass
NE-C-2
NE-C-2U
20 5x1014 FV-0 3~4 6x10-2 Pass
NE-D-1
NE-D-1U
18 3x1014 FV-0 3~4 7x10-2 Pass
NE-D-2
NE-D-2U
18 3x1014 FV-0 3~4 7x10-2 Pass
NE-E-1
NE-E-1U
17 1x1014 FV-0 3~4 7x10-2 Pass
NE-E-2
NE-E-2U
17 1x1014 FV-0 3~4 7x10-2 Pass
Addition of curing agent:: liquid 2,5-Dimethyl-2,5-di(tert-butylperoxy)hexane,  electrical insulating rubber 0.4%.  Test piece vulcanization condition: 175℃×5min.  

Related material download:
Material Safety Data Sheet (MSDS)for Electrical Insulating Rubber 
ROHS and Other Restricted Substances Test for Electrical Insulating Rubber
Substances of Very High Concern Test(SVHC) for Electrical Insulating Rubber
Electrical Insulating Rubber(TDS)




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