Specifications

FR4 epoxy laminate sheet for electrical insulation
1.Material:cotton cloth&phenolic resin
2.Thickness:0.5-100mm
3.OEM,ODM

Product Name: FR4 epoxy laminate sheet for electrical insulation

 Description

Epoxy phenolic glass cloth laminated sheets(insulation sheet,industry  laminate sheet,Epoxy sheet) are made of alkali-free E-glass cloth impregnated with epoxy resins and phenolic resins by processing under heat and pressure. Epoxy glass cloth 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

3240 sheet: High mechanical and electrical applications, suitable for insulation structural parts of machinery and electric equipments under wet condition, available in transformer oil and humidity.
3240B sheet and 3240C sheet are similar to 3240, but with lower properties.

Nominal dimension : 1020×1220mm;1020×2040mm;1220×2440mm
Thickness: 0.5 ~ 100mm

 

Technic Index Data Sheet

 

No.	Item	Units	Value
			3240	3240B	3240C
1	Applicable Standards	—	GB1303-77	QB
2	Density	g/cm3	1.70~1.90	1.80~2.00	1.80~2.00
3	Martens heat resistance ≥	°C	200	200	200
4	Bending strength perpendicular to laminations ≥	MPa	340	320	320
5	Bonding strength ≥	N	5600	5000	4800
6	Impact strength parallel to laminations( Charpy) ≥	kJ/m2	33	30	30
7	Loss factor (48-62Hz) ≤	—	0.05	—	—
8	Relative permittivity 48-62Hz ≤	—	5.5	—	—
9	Voltage endurance perpendicular to lamination,in oil 90±2°C ≥ Thickness:0.5~1mm Thickness:1.1~2mm Thickness:2.1~3mm	kV/mm	22 20 18	— — 13.5	— — 8.0
10	Voltage endurance parallel to lamination (in oil 90±2°C) ≥	kV	30	30	30
11	Insulation resistance after impregnated in water ≥	Ω	5×108	1×108	1×108
12	Temperature index	°C	155	155	155

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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!