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XJ-30A (90 ℃ medium voltage ethylene propylene rubber insulation material)
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XJ-30A (90 ℃ medium voltage ethylene propylene rubber insulation material)
Still deciding? Get the samples first,Contact us!
Product Category
- Description
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Product Description
The XJ-30A type 90 ℃ medium voltage ethylene propylene rubber insulation material produced by our company is based on ternary ethylene propylene rubber as the basic material, supplemented with reinforcing agents, softeners, fillers, anti-aging agents, vulcanizing agents, etc. It is fully mixed by an internal mixer. The insulation layer of medium voltage cables used in mining, marine and other industries meets the requirements of the XJ-30A type product in GB7594-87 standard, and has excellent process performance.
Product Usage
This product can be used as insulation material for marine cables and mining cables with a voltage of 6 kV and below, and can be used for a long time at temperatures ranging from -40 to 90 ℃. This material has high flexibility, is easier to bend and move, and is convenient for cable installation and laying. The color is originally white, but other color products can also be provided according to user requirements.
Overall performance indicatorsTest project
Company
Typical values
Mechanical properties before aging
Tensile strength
MPa
7.3
Elongation at break
%
330
Mechanical properties of air box after aging at 135 ℃ for 168 hours
Retention rate of tensile strength
%
106
Retention rate of elongation at break
%
86
Thermal extension test
Experimental conditions
Test temperature 250
Load time 15
Mechanical stress 0.2°C
min
MPaElongation under load
%
35
Permanent deformation after cooling
%
5
Ozone resistance test
Experimental conditions
Test temperature 25 ± 2
Test time 24
Ozone concentration 0.025-0.030°C
h
%Test result
No cracks
Electrical performance
Room temperature volume resistivity
Ω·cm
2.8×1015
Breakdown strength
kV/mm
25.5
Mooney viscosity ML (1+4), 100 ℃
34
Burning time (T5120 ℃)
min
>20
Processing process parameters
It can be extruded and produced on a regular rubber extruder, and it is recommended to use a CV (continuous vulcanization) production line.
Extruder compression ratio: 1.1:1 to 1.5:1;
Extruder length to diameter ratio: 6:1 to 16:1;
Temperature setting: 70-90 ℃;
Sulfurization temperature: It is recommended to maintain a temperature of 180-200 ℃ inside the vulcanization tube.
Packaging and Storage
The product is packaged in cardboard boxes and lined with polyethylene bags. The film shape is continuous film or provided according to user requirements, with a net weight of 25Kg per box and 20 bags as one supply unit. The safe use period at room temperature is one year. The product should be stored in a clean, dry, cool, and ventilated warehouse.
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Phone/WeChat:+86-18653600621
E-mail:3258384570@qq.com
Address: No. 547, 206 National Highway, Duchang Street, Changyi City, Shandong Province