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Phenolic Paper Tube

Phenolic Textolite Paper Tube

Heat resistance rating: Class E
Wall thickness: 1.8-2mm 2mm 2-3mm
Size: customized
Density: 1.7-1.8
Color: Brown

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Product introduction

Phenolic textolite paper tube is made up of insulated winding paper or insulating impregnated paper impregnated with phenolic resin, heated and rolled, baked and cured. Phenolic textolite paper tube has high mechanical, heat and dielectric properties which is suitable for insulation structural parts in electrical equipment and can be used in humid environments and transformer oils.

Phenolic textolite paper tube video:

Phenolic textolite paper tube parameter:


InfoStandardsGB/T 5132.1-2009 IEC61212-1:2006

Chinese Name3520380380A3640/36413553563652364



Base MaterialPaperClothFiber Glass Cloth





ColorBrownYellowDark BrownWhiteWhiteDark Brown



2Vertical Bending Strength (at normal state)MPa≥90≥138≥150≥70≥80≥80≥80≥80

3Axial Compressive StrengthMPa≥60≥118≥118≥60≥70≥70≥70≥70

4Parallel Breakdown VoltageKV≥25–≥35≥25≥25≥25≥25

(90 ℃ transformer oil)

5Vertical Electrical Strength (90 ℃ transformer oil)KV/mm≥8≥3.5≥3.5≥6-14

(wall thickness: 3.0mm

inner diameter: 20mm)

6Dielectric Loss Factor(50Hz)-≤0.03–≤0.03≤0.03≤0.03≤0.03≤0.03

7Water Absorption%≤8(3mm)≤5(3mm)≤4(3mm)≤1≤1≤1≤1≤1

8Temperature Index-120120120130/155180180180180

Phenolic textolite paper tube applications:

Phenolic textolite paper tube is suitable for mechanical, electrical, electrical equipment for insulation structure parts and components, and can be used in transformer oil.

Phenolic Paper Tube

Phenolic textolite paper tube packing and shipping:

Phenolic textolite paper tube were wrapped with packaging film and packed in carton. Store it in dry and clean room at room temperature and keep it from moisture. The storage period is 12 months.

Phenolic textolite paper tube main features:

1) .High electrical and mechanical performance.

2) Easy for fabricaion, good dimentional stability, physical strength, resiliency.

3) Better machinability than other product

Phenolic Paper Tube

Phenolic textolite paper tube honor and certification:

ZTELEC GROUPS established in 1958, we have a complete production system and first-class production equipment. To ensure the quality of each product, we have phenolic textolite paper tube certificate.

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