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Laminated Products > F850、F851、F852、F853

F850、F851、F852、F853

F850、F851、F852、F853

 

Phenolic cotton cloth laminate sheet is made of cotton cloth impregnated with phenolic resin after drying and hot pressing.
Type: F850/F851/F852/F853
Features: 
1.Normal Dimension:1020mmx1220mm,1020mmx2040mm,1020mmx1020mm
2.Normal Thickness:0.5mm to 100mm
Advantage:
With electrical properties and good mechanical properties under normal conditions.
Application:
1.F850:Primarily intend for mechanical applications. Not recommended to use for electrical applications.
2.F851:Suitable for mechanical & electrical applications,with better electrical performance than the other grades, and similar to NEMA's CE grade.
3.F852:Primarily intend for mechanical applications, with better general properties than  the others , similar to NEMA's L grade.
4.F853:Suitable for mechanical & electrical applications,with better electrical performance than the others and similar to NEMA's LE grade.

Phenolic cotton cloth laminate sheet is made of cotton cloth impregnated with phenolic resin after drying and hot pressing.

Type:

F850/F851/F852/F853

Features: 

1.Normal Dimension:1020mmx1220mm,1020mmx2040mm,1020mmx1020mm

2.Normal Thickness:0.5mm to 100mm

Advantage:

With electrical properties and good mechanical properties under normal conditions.

Application:

1.F850:Primarily intend for mechanical applications. Not recommended to use for electrical applications.

2.F851:Suitable for mechanical & electrical applications,with better electrical performance than the other grades, and similar to NEMA's CE grade.

3.F852:Primarily intend for mechanical applications, with better general properties than  the others , similar to NEMA's L grade.

4.F853:Suitable for mechanical & electrical applications,with better electrical performance than the others and similar to NEMA's LE grade.

 

 

Properties

Units

F850

F851

F852

F853

Flexural strength perpendicular to lamination      ≥

MPa

100

90

110

100

Notch impact strength parallel to lamination charpy        ≥

KJ/m2

8.8

7.8

7.0

6.0

Bonding strength   ≥

N

Dielectric strength perpendicular to lamination 
(in oil 90±2℃)  ≥

MV/m

Breakdowm voltage parallel to lamination 
(in oil 90±2℃)  ≥

KV

35
(0.8-25mm)

40
(0.8-25mm)

Dielectric strength

Relative dielectric coefficient    ≤

5.5

5.5

Insulation resistance after impregnated in water        ≥

Ω

1×106

5×107

1×106

5×107

Water absorption
1mm         ≤

mg

206

136

206

136

Colour

natural or black

Reference standard

Enterprise's standards

Characteristics & Applications

1、F850:Primarily intend for mechanical applications. Not recommended to
use for electrical applications.
2. F851:Suitable for mechanical & electrical applications,with better
electrical performance than the other grades, and similar to NEMA's CE
grade.
3. F852:Primarily intend for mechanical applications, with better general
properties than the others , similar to NEMA's L grade.
4. F853:Suitable for mechanical & electrical applications,with better
electrical performance than the others and similar to NEMA's LE grade.


Remark:

You are warmly welcome to raise your special requirement, so as to make design and studies in special in order to produce more qualified new type laminated sheet.