Phenolic Paper Laminated Sheet Bakelite Board 3021 Sheet Used as Insulation for Transformer

• Material: Phenolic
• Refractoriness: 800-1400°C
• Diameter: 4-50mm
• Apparent Density: 180~210kg/m³
• Surface Treatment: Glazed Tiles
• Color: Black
• Model NO.: 3021-001
• Tensile Strength: Good
• Function: Insulation Material
• Type: Insulation Material
• Colors: Customized
• Product Name: 3021 Phenolic Paper Laminated Sheet
• Rated Voltage: 10kv-20kv
• Application: High Voltage
• Feature: High Voltage
• Transport Package: Pallet Packing
• Trademark: Powerwell
• Origin: Hunan, China
• Production Capacity: 50000 Kilogram/Kilograms Per Month Capacitor Ins

Product Description

 

 

 

Phenolic Paper laminated sheets is made of insulation paper impregnated with phenolic resin by processing under heat and pressure.

Features

Phenolic paper Laminated Sheet is strong, rigid and very economical. it has good electrical insulating properties and it's used in a wide range of electrical installations, in equipment where rigid electrical insulation is required.

The impact strength of phenolic paper laminated sheet is not as high as materials in other groups and it's not usually chosen where toughness, bearing properties or high stress carrying capabilities are required.

However, the lowest cost grades in this group represent excellent value as rigid non-metallic materials and it's used in a very wide range of less demanding applications.

These materials offer an economic solution to engineering applications where good mechanical strength coupled with light weight and useful electrical resistance is required.

Technical Data

ITEM	UNIT	VALUE
		3021	3021B	3021C
Density	g/cm^3	1.30~1.45	1.30~1.45	1.30~1.45
Heat stability Thickness ≤20mm Thickness >20mm		115 90	115 -	115 -
Flexural strength≥	MPa	120	90	90
Tensile strength≥	MPa	100	-	-
adhesion force ≥	N	3130	2940	2740
Insulation resistance parallel to lamination≥ Under normal condition In case of humidity	Ω	1×10^91×107	1×10^91×106	1×10^91×106
Voltage endurance perpendicular to lamination in transformer oil 5 min at 20±5≥ Thickness:0.2~1mm Thickness:1.1~2mm Thickness:2.1~3mm Thickness:>3mm	kV/mm	16 15 13 13	- 14 - -	- 12 - -
Voltage endurance parallel to lamination in transformer oil 5 min at 20±5≥	kV	14	12	10
Area of the sheets	mm	1020×1220,980×1980,1020×2040