Electrical Insulating Rubber
Key Features:
● Excellent physical properties
● Excellent electrical insulativity
● The flame retardance can reach the class FV-0 stated in the national standard GB/T10707-2008.
Applications:
● Various composite insulators, Surge arrester
● High & low voltage electrical fittings for electrical lines of railways and urban light rails
Safety & Storage:
● Detailed safety information is contained in each material data safety sheet,which can be obtained by contacting us.
● The products have a shelf life of 9 months from date of manufacture depending on the shore hardness if stored at room temperature in the originally sealed container.
Packing:20kg per carton lined with PE plastic bags or sheets.
Property | Product Data | Test Method | ||||||||
Standard Electrical Insulating Rubber | General Purpose Electrical Insulating Rubber | Common Electrical Insulating Rubber | ||||||||
NE-T-1 NE-T-1U | NE-T-2 NE-T-2U | NE-C-1 NE-C-1U | NE-C-2 NE-C-2U | NE-D-1 NE-D-1U | NE-D-2 NE-D-2U | NE-E-1 NE-E-1U | NE-E-2 NE-E-2U | |||
Appearance | White, no extraneous matter | Visual Inspection | ||||||||
Density, g/cm3 | 1.52±0.05 | ASTM D792 | ||||||||
Hardness, Shore A | 60±2 | 58±2 | ASTM D2240 | |||||||
Tensile Strength, MPa ≥ | 4.5 | 4.0 | ASTM D412 Die C | |||||||
Elongation at Break, %≥ | 280 | 300 | 280 | 300 | 240 | 260 | 240 | 260 | ASTM D412 Die C | |
Tension Set, %≤ | 2 | ASTM D412 Die C | ||||||||
Tear Strength, kN/m ≥ | 13 | 12 | ASTM D624 Die C | |||||||
Volume Resistivity,Ω▪ cm ≥ | 7×1014 | 5×1014 | 3×1014 | 1×1014 | IEC 60093 | |||||
Dielectric Strength, kV/mm≥ | 22 | 20 | 18 | 17 | IEC 60243 | |||||
Dielectric Loss , tg δ≤ | 3×10-2 | 6×10-2 | 7×10-2 | IEC 60250 | ||||||
Dielectric Constant | 3~4 | IEC 60250 | ||||||||
Tracking Resistance &Erosion resistance | 1A4.5 grade | pass | IEC 60587 | |||||||
Erosion Depth, mm ≤ | 2.5 | IEC 60587 | ||||||||
Flame Reaiatance, level | FV-0 | IEC 60707 |
Typical Data
● Physical data in the above table is for reference only.
● Vulcanization condition: 175℃× 5min.
● Ratio of curing agent 2,5-Dimethyl-2,5-di(tert-butylperoxy)hexane:0.4%.
How to use
● When molding ,it is recommended to use 2,5-Dimethyl-2,5-di(tert-butylperoxy)hexane.
Industrial use instructions:
l The users are obliged to understand the application scope and the usage of the products that will be used.
l Don’t graft or inject the above product into human body.
l The testing report along with the goods is tested by our QA department on the basis of the vulcanizing condition and testing methods of our company.
l The data presented in this leaflet are in accordance with the present state of our knowledge,but do not absolve the user from carefully checking all supplies immediately on receipt.The recommendations made in this leaflet over which we have no control, especially where other companies’ raw materials are also being used.The recommendation do not absolve the user from the obligation of investigating the possibility of infringement of third parties’ rights.
l Recommendations for use, is just a reference,do not constitute a warranty,either express or implied,of the fitness or suitability of the products for a particular purpose.