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FR-4 Epoxy glass cloth parts
FR-4 Epoxy glass cloth parts

Minimum Order: 0
Quality/Safety Certification: 0.00


1.FR4 parts has Good dielectric properties.
2.FR4 parts has Good mechanical properties.
3.FR4 parts has Flame retardant.

FR4 parts has high mechanical properties and dielectric properties,used the insulation parts for electrical and mechanical equipment.

FR-4 parts used transformers, electric motors, cabinets, control boxes, electric switches, household appliances, railway, automobile, computer and medical appliance,etc.

Item

Unit

Value

Flexural strength perpendicular to lamination  ≥      

MPa

390

Impact strength parallel to lamination (charpy) ≥

kJ/m2

37

Voltage endurance perpendicular to lamination in transformer oil 1 min at 90±2°C     ≥

    Thickness:0.5mm

    Thickness:1.0mm

    Thickness:2.0mm

kV/mm

 

 

16.1

14.2

12.1

Voltage endurance parallel to lamination in transformer oil 1 min at 90±2°C ≥

kV

35

Insulation resistance after impregnated in water  ≥

5×104

1MHz loss factor after impregnated in water  ≤

——

0.04

1MHz relative dielectric constant after impregnated in water ≤

——

5.5

Water absorption                                 ≤

    Thickness:3.0mm

    Thickness:5.0mm

 

mg

 

22

25

Flammability

——

UL-94V0

 

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