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Phenolic Cotton Cloth Laminated Rod

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1,What is a phenolic cotton laminated rod?
The product is made of cotton cloth impregnated with phenolic resin and hot pressed by a mold. Has high mechanical properties and processability. The heat resistance grade is E grade. It has a wide range of applications in mechanical and electrical applications, such as insulation structural components in generators, motors, power distribution cabinets and other electrical equipment. The main material is imported prepreg, the color is white, yellow, green, normal temperature 130 At °C, there is still high mechanical strength, good electrical performance in dry and wet state, flame retardant, used in electrical and electronic industry insulation structural parts. It is suitable for use as insulation structural parts in electrical equipment and can be used in transformer oil.
The 3723 phenolic cotton cloth rod is made of coarse cotton cloth (21×21) impregnated with phenolic resin, dried, rolled and hot pressed. The product insulation heat resistance grade is E grade (120 ° C).
The 3725 phenolic cotton cloth rod is made of fine cotton cloth (32×32) impregnated with phenolic resin, dried, rolled and hot pressed. The product insulation heat resistance grade is E grade (120 ° C).

Phenolic Cotton Cloth Laminated Rod

2, phenolic cotton cloth laminated rod technical requirements
1) Appearance of phenolic cotton cloth laminated rod: The surface of phenolic cotton cloth laminated rod should be smooth and smooth, free from air bubbles, oil and impurities, and allow for uneven color, scratches, slight height and inequality, and the diameter of the cloth exceeding 25mm. Allows end faces or sections to have cracks that do not interfere with use.

Index name Unit Index value
Density g/cm3 ≥1.26
Bending strength Mpa ≥90
Compressive strength Mpa ≥138
Parallel layer breakdown voltage KV ≥10
Water absorption

Diameter6mm

13mm

25mm

>25~200mm

%  

≤1.7

≤1.3

≤1.0

≤1.2

ZTELEC phenolic cotton laminated rod, good quality and stable performance

Ztelec Group