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Lingge Dispensing Insulating Paper

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Address: No. 18, Wangtian Road, Luoxi Town, Xinbei District, Changzhou City, Jiangsu Province
Tel: +86 
18651989127
Fax: +86 0519-86323663

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Lingge Dispensing Insulating Paper

This product is an insulating material made of special modified epoxy resin coated on electrical insulating paper in a rhombus shape. The product is widely used in the interlayer insulation and turn-to-turn insulation of oil-immersed power transformers. When in use, the coating layer begins to melt at a certain temperature during the coil drying process, resulting in adhesion, and begins to solidify as the temperature rises. , So that the adjacent layers of the winding are reliably bonded into a fixed unit. The adhesive strength of epoxy resin is sufficient to prevent the displacement of each layer of the winding during short-circuit, thus ensuring the long-term electrical and mechanical properties of the insulation structure. Because the resin coating of the rhombic glued insulating paper is dotted, it ensures the oil immersion and the removal of the gas in the insulating material, effectively avoids corona and partial discharge, thereby ensuring the safety and reliability of the insulation structure.
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Product description
Parameters

Note: The product can be cut into tapes and reels, or customized according to customer requirements.

 

Application tips

It should be stored in a dry, clean and ventilated place not exceeding 35°C, not close to fire, heating, and direct sunlight. The storage period is 12 months. Heat to 90℃±5℃, keep it for 3h, then increase the temperature to 125℃±5℃, keep it for 6h to cure.

 

Product structure and performance

This product is an insulating material made of special modified epoxy resin coated on electrical insulating paper in a rhombus shape. The product is widely used in the interlayer insulation and turn-to-turn insulation of oil-immersed power transformers. When in use, the coating layer begins to melt at a certain temperature during the coil drying process, resulting in adhesion, and begins to solidify as the temperature rises. , So that the adjacent layers of the winding are reliably bonded into a fixed unit. The adhesive strength of epoxy resin is sufficient to prevent the displacement of each layer of the winding during short-circuit, thus ensuring the long-term electrical and mechanical properties of the insulation structure. Because the resin coating of the rhombic glued insulating paper is dotted, it ensures the oil immersion and the removal of the gas in the insulating material, effectively avoids corona and partial discharge, thereby ensuring the safety and reliability of the insulation structure.

 

Technical parameters

Substrate thickness mm 0.08±0.005 0.13±0.007 0.18±0.010 0.38±0.020 0.50±0.030
Substrate tightness g/cm3 0.85~1.10
Single-sided adhesive thickness μm 10~15
Moisture % 4.0-8.0
Oil absorption % ≥60
Bond strength Normality kpa ≥60
100℃±2℃
Tensile strength Portrait N/10mm ≥60 ≥110 ≥160 ≥180 ≥230
Horizontal Wide ≥30 ≥50 ≥70 ≥80 ≥100
Tear strength Portrait nN ≥450 ≥900 ≥1350 ≥1500 ≥2000
Horizontal ≥500 ≥1000 ≥1500 ≥1700 ≥2300
Breakdown voltage In the air kv ≥0.88 ≥1.37 ≥2.00 ≥2.10 ≥2.25
In oil ≥4.40 ≥7.00 ≥9.00 ≥9.80 ≥11.50
Product curing conditions     Heat to 90C ± 5C, keep it for 3 hours and then heat to 125 ± 5C, keep it for 6 hours to solidify.
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Contact

Address: No. 18, Wangtian Road, Luoxi Town, Xinbei District, Changzhou City, Jiangsu Province
Tel:
+86 
18651989127
Fax: +86 0519-86323663

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