Products

Products

High Performance Kraft Paper for Copper-clad Laminate


Application:

Kraft paper, immersed in Phenolic resin, is used to produce laminates. It could also be immersed in epoxy resin and combined with glass fabric to become high-end glass fabric substitute.

Product Specification:


Code
Item
Unit
Specification
120g
128g
135g
1
Weight
g
120±3
128±3
135±3
2
Thickness
mm
0.235±0.015
0.265±0.020
0.270±0.020
3
Density
g/cm3
0.49±0.03
4
Quantitative Bias
g/m2
≦3.0
5
Tensile Strength
Length
kN/m2
2.35
2.40
2.55
Width
kN/m2
1.80
1.85
1.90
6
Length/Width Strength Ratio
1.20--1.50
7
Water Absorption
Length
mm/10min
85±10
Width
mm/10min
85±10
8
Permeability of Castor Oil
Front
S
8±3
9±3
10±3
Back
S
11±3
11±3
12±3
9
Metallic and Other Dye(>2.0mm3)
Not permitted
10
Strength of Heated Wet Paper
Length
kN/m2
≧0.30
≧0.35
≧0.40
Width
kN/m2
≧0.26
≧0.30
≧0.35
11
Ash Content
%
≦0.7
12
PH Value
7±0.5
13
Elongation
Length
%
1.2±0.3
Width
%
2.3±0.5
14
Moisture
%
≦5.5