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phenolic cotton cloth laminated sheet

Details
3025
Mechanical applications(coarse weave), with poor electrical properties. Similar to IEC PFCC201.  10 yarn
3025B 3025C 3025CS
Mechanical applications being economical products versus 3025. 3025CS has abrasion proof property, but it is not recommended to be used as insulation material.
3025D
Mixed mode backing material. It can substitute for some cotton cloth laminates
3026
Mechanical properties(fine weave), poor electrical properties, good machining performance. Similar to IEC PFCC203.   21 yarn
3027
Mechanical and electrical applications(coarse weave), better electrical properties than other phenolic cotton cloth laminates.
3028
Mechanical and electrical applications(fine weave),  better  electrical properties than other phenolic cotton cloth laminates. Recommended for small parts.  32 yarn
Product Application
3025
1>Temperature grade: E glass (120)
2> Color: nature (light brown) 
3>Thickness: 0.5-100mm
4>Size: 1020x1220mm 1020x2040mm 1220x2470mm
 
3025B 3025C
1> Temperature grade: E glass (120)
2>Color: nature (light brown) 
3>Thickness: 1.6-100mm
4> Size: 1020x2040mm 1220x2470mm
 
3025CS
1> Temperature grade: E glass (120)
2> Color: black 
3>Thickness: 1.6-100mm
4>Size: 1020x1220mm 1020x2040mm 1220x2470mm
 
3025D
1>Temperature grade: E glass (120)
2> Color: nature 
3> Thickness: 0.5-100mm
4>Size: 1020x1220mm 1020x2040mm 1220x2470mm
 
3026
1> Temperature grade: E glass (120)
2>Color: nature (light brown)
3> Thickness: 0.8-100mm
4>Size: 1020x1220mm 1020x2040mm 1220x2470mm

3027
1>Temperature grade: E glass (120)
2> Color: nature (light brown)
3>Thickness: 0.8-100mm
4> Size: 1020x1220mm 1020x2040mm 1220x2470mm

 3028
1>Temperature grade: E glass (120)
2> Color: nature (light brown)
3>Thickness: 0.8-100mm
4>Size: 1020x1220mm 1020x2040mm 1220x2470mm
product technology
Properties
Unit
Grade  
3025
3025B
3025C
3025D
Flexural strength
perpendicular
to laminations

MPa
135
130
130
140
Impact strength
parallel to
laminations
(Charpy)

kJ/O
8.8
7.8
5.0

Bonding strength
(10mm
in thickness)

N

5500
5500

Dielectric strength
perpendicular to
lamination
(in 902
transformer oil,
1mm in thickness)

kV/mm
0.82



Breakdown voltage
parallel to
laminations
(in 902
Transformer oil)

kV
1


14205棩
Permittivity
(48-62Hz)






Insulation
resistance after
Impregnated in
waterD-24/23


1106


1107
Density

g/M3
(1.30-1.40)
Water absorption
(D-24/23, 1.6mm
in thickness)

J
220


200
Color


Natural
Reference standard


Q/TXXFR001-2009

Properties
Unit
Grade  
3025CS
3026
3027
3028
Flexural strength
perpendicular
to laminations

MPa
70
110
90
100
Impact strength
parallel to
laminations
(Charpy)

kJ/O
5.0
7.0
7.8
6.0
Bonding strength
(10mm
in thickness)

N
5500



Dielectric strength
perpendicular to
lamination
(in 902
transformer oil,
1mm in thickness)

kV/mm

0.82
5.1
6.3
Breakdown voltage
parallel to
laminations
(in 902
Transformer oil)

kV

1
18
20
Permittivity
(48-62Hz)




5.5
5.5
Insulation
resistance after
Impregnated in
waterD-24/23



1106
5107
5107
Density

g/M3
(1.30-1.40)
Water absorption
(D-24/23, 1.6mm
in thickness)

J

220
145
145
Color


Black
Natural
Reference standard


Q/TXXFR001-2009