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epoxy fiberglass laminated sheet

Details
Specifying and measuring the usability of products:
3240
Mechanical, electrical, electronic applications; high mechanical strength under moderate  temperature,and good electrical properties under high humidity
3240-1 & 3240-B
Mechanical, electrical, electronic applications, with lower properties than 3240 as economical product.
Product Application:
3240            
Temperature grade: B glass  (130)
Color: nature, red, green, black 
Thickness: 0.5-80mm
Size: 1020x2040mm
3240-1 & 3240-B
Temperature grade: B glass  (130)
Color: nature (yellow)
Thickness: 0.5-50mm
Size: 1020x2040mm
Properties
Unit
Grade
3240
3240-1
3240-B
Flexural strength perpendicular to
laminations

MPa
340
320
320
A under normal
conditions
E-1/150: 1505 c



Impact Strength
parallel to laminations
(Charpy)

kJ/squm
33
30
30
Insulation Resistance
After immersion in water (D-24/23)


5.010 8
1.010  8
1.010 8
Dielectric strength
perpendicular to laminations (in 902c
transformer oil,1 mm in thickness)

kV/mm
14.2
14.2
8.0
(thickness 3mm)
Breakdown voltage parallel to laminations (in 90 + -2c transformer oil)

kV
35
30
30
Permittivity
(48-62Hz)


5.5


Permittivity (1MHz)


5.5


Dissipation factor (48-62Hz)


0.04


Dissipation factor(1Mz)


0.04


Water absorption
(D-24/23,1.6mm in thickness)

mg
19
19
19
Density

g/cm 3
(1.70-1.90)
(1.70-1.90)
(1.70-1.90)
Flammability

Class



Color


Natural
Natural
Natural
Reference standard


Q/TXXFR002-2009