Specifications

Bakelite Board
1.Material:craft paper&phenolic resin
2.Model Number:3020,3021,3022,3023
3.Can OEM,ODM
4.Application:Industry

Product Name: Bakelite Board

 

Description

Phenolic paper laminated sheets(insulation sheet,industry laminate sheet,phenolic paper sheet) are made of electric insulating craft paper impregnated with phenolic resin by being processed under heat and pressure. Phenolic paper sheet Can be processed into all kinds of insulation parts, The products are widely used transformers, electric motors, cabinets, control boxes, electric switches, household appliances, railway, automobile, computer and medical appliance,etc.

Specifications

3020 sheet: suitable for using as insulation structural parts of machinery and electric equipments that require high electrical properties,available in transformer oil.
3021 sheet:suitable for using as insulation structural parts of machinery and electric equipments that require high mechanical strength, available in transformer oil.
3021B sheet, 3021C sheet are two derived types from 3021, with lower properties, and attractive price.
3021TG sheet: primarily intended for mechanical applications and suitable as test board and jig.
3022 sheet :good moisture resistance and are suitable for using as insulation structural parts of machinery and electric equipments under wet condition
3023 sheet : lower loss factor and are suitable for using as insulation structural parts of wireless and electrical equipments.

Nominal dimension of phenolic paper laminates:1020×2040mm, 1220×2440mm
Thickness: 0.5 ~ 100mm

 

 Technic Index Data Sheet

	Item	Units	Value
			3020	3021	3021TG	3021B	3021C	3022	3023
1	Applicable Standards		GB1302-77		QB			JG1677-75	JB1678-75
2	Density	g/cm3	1.30~1.45	1.30~1.45	1.30~1.45	1.30~1.50	1.30~1.50	1.30~1.45	1.30~1.45
3	Thermal stability Thickness ≤20mm Thickness >20mm	°C	125 100	115 90	— —	— —	— —	125 100	— —
4	Tensile strength ≥	MPa	78.4	88.2	—	—	—	78.4	78.4
5	Flexural strength ≥	MPa	98	117.6	120	90	90	117.6	—
6	Impact strength ≥	kJ/m2	12	15	—	—	—	12	—
7	Bonding strength ≥	N	3528	3136	3200	2940	2740	3528	—
8	Surface resistance ≥ Under normal condition Impregnated in water	Ω	— —	— —	— —	— —	— —	1.0×1011 1.0×108 (Brine)	1.0×1011 1.0×109
9	Specific volume resistance ≥ Under normal condition Impregnated in water	Ω.cm	— —	— —	— —	— —	— —	— —	1.0×1012 1.0×109
10	Insulation resistance parallel to lamination ≥ Under normal condition Impregnated in water	Ω	1.0×1010 1.0×108	1.0×109 1.0×107	— —	1×109 1×106	1×109 1×106	1.0×1010 5.0×107 (Brine)	1.0×1011 5.0×107
11	Dielectric Loss Tangent,106Hz ≤ Under normal condition Impregnated in water	—	— —	— —	— —	— —	— —	— —	0.045 0.060
12	Voltage endurance parallel to lamination (in oil 20±5°C), 5 minutes ≥	kV	16	14	—	12	10	14	—
13	Voltage endurance perpendicular to lamination (in oil 20±5°C) ≥ Thickness:1.1~2mm Thickness 2.1~3mm Thickness 3mm	kV/mm	25 22 19 19	16 15 13 13	— — — —	— 14 — —	— 12 — —	17 16 14 14	33.0 27.0 25.0 25.0
14	Temperature index	°C	120	120	120	120	120	120	120

 

 

 

Our main products
1 .Phenolic Paper Laminated Sheet (Phenolic Paper Sheet): HP2061 sheet,X sheet,XP sheet,XPC sheet,etc. and Phenolic .Paper Laminated rod, tube, and parts.
2 .Phenolic Cotton Cloth Laminated Sheet (Phenolic Cloth Sheet): Hgw2082 sheet, Hgw2082.5 sheet,Hgw2083 sheet,C sheet,CE sheet,L sheet,etc. and Phenolic Cotton Cloth Laminated rod, tube, and parts.
3 .Epoxy Glass Cloth Laminated Sheet (Epoxy sheet): G-10 sheet,FR-4 sheet,G-11 sheet, Hgw2372 sheet, Hgw2372.1 sheet,Hgw2372.4 sheet.etc. and Epoxy Glass Cloth Laminated rod, tube, and parts.
4 .GPO-3 Polyester Glass mat Laminated Sheet and parts.
5 .Melamine Glass Cloth Laminated Sheet and parts.
6 .Polyimide film and Polyimide film tape.
7 .Nylon Plate, rod, tube and parts.
8 .PTFE Plate, rod, tube and parts.
9 .Mica Plate and mica tape.
10 .Other insulation rod,insulation tube
11 .Various insulation parts.
12 .Instant Boiling purification Water boiler.

WHO WE ARE

Our policy is to achieve customers' satisfaction both by providing them with high level product quality and services that meet or exceed their expectation. Our aim is to ensure that our clients continue to put their faith in us for many years to come.

 

ABOUT US

OUR THINKING

We truly believe in long term relationship with our clients and our motto is customer satisfaction. We always believe in supplying best quality products at most reasonable price. 

OUR GOALS

High Quality - We put every effort to provide products for our customers with highest standards of value, quality, service and integrity.

 

Employee Safety - Employees are valuable assets of any good company. Therefore our endeavour is to provide a safe and healthy work environment for our employees.

 

Environmental protection - We care for environment and our facility work in an environmental friendly manner.

 

On Time Delivery - We deliver when we promise!