Factory Sale Phenolic Cotton Cloth Laminated Rod 3721 3025 with Insulating

• Customization: Available
• Application: Electrical Power System, Electronic Device, Industrial Equipment
• Color: Brown and Black.
• Model NO.: Phenolic Cotton Cloth Rod
• Material: Phenolic Paper
• Maximum Voltage: >100KV
• Thermal Rating: H 180
• Thickness: 0.5-100mm
• Normal Thickness: Customized
• Classification: Organic Insulating Material
• Delivery: 15-30day
• Usage: Insulation Protection Electronic Part for Transfor
• Other Epoxy Sheet: Fr4 G10 G11 Fr5 3025
• Transport Package: The Wooden Case
• Specification: Customized
• Origin: China
• Production Capacity: 500 Tons/Month

Product Description

Product Description

 
The phenolic cotton cloth laminated rod is a phenolic cotton cloth rod with a circular cross-section made of cotton cloth impregnated with phenolic resin and hot-pressed. This product has high mechanical strength and electrical properties and can be used to process various mechanical and electrical structural parts.

3721 phenolic cotton cloth laminated rod has high mechanical properties and is suitable for use as insulating structural parts in electrical equipment and can be used in transformer oil.

3721B phenolic cotton cloth laminated rod has poorer performance than 3721, but has higher mechanical properties. It is suitable for use as insulating structural parts in electrical equipment and can be used in transformer oil.

3722 Phenolic cotton cloth laminated rod for mechanical use.

3723 Phenolic cotton cloth laminated rods for mechanical and electrical use.

3724 Phenolic cotton cloth laminated rod for mechanical use, can be precision machined, such as handles.

3725 Phenolic cotton cloth laminated rods are used for mechanical and electrical purposes and can be processed with precision.

Color: reddish brown, black
Diameter: 1-200mm
Length: support customize
Bending strength: 100Mpa
Density: 1.2-1.3g/m³

Weshare Customized Solutions
We can customize raw materials, size, thickness, color, or special electrical and mechanical properties according to customer needs to ensure that each Phenolic Cotton Cloth Rod can perfectly adapt to your application environment. Please contact us immediately!

Product Parameters

 

No.	Index Name	Unit	3721	3721B	3722	3723	3724	3725
1	Applicable Standard	-	JB889 - 75	QB	GB5133 - 85	-	-	-
2	Density	g/cm³	1.25 - 1.45	1.25 - 1.45	1.25 - 1.45	1.25 - 1.45	1.25 - 1.45	1.25 - 1.45
3	Vertical Bending Strength	≥ MPa	117.6	80	110.3	89.6	110.3	82.7
4	Tensile Strength	≥ MPa	78.4	60	-	-	-	-
5	Compressive Strength	≥ MPa	-	-	131	137.9	131	137.9
6	Parallel - layer Insulation Resistance	≥ Ω	1.0×10^8	1.0×10^7	-	-	-	-
7	Parallel - layer Punch - through Voltage in Transformer Oil at 20±2°C	≥ kV	10.0	8.0	-	10.0	-	10.0
8	Water Absorption (Diameter 13mm) (Diameter 25mm) (Diameter >25 - 51mm)	mg (%) (%) (%)	1.0	2.0	2.0	1.3	1.5	1.1
9	Temperature Index	°C	120	120	120	120	120	120

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