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Synthetic Phenolic Resin Bonded Paper (P1)
 

P1 Paper is a low cost commercial quality paper based laminate and is used for low cost, low voltage installations, jigs and fixtures. It can also be used to machine templates, machine assembly plates, foundry patten plates, drilling jigs and any use that requires a tough, light weight material with reasonable electrical properties.

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Properties
Units
Values
Colour
Brown
Density
g/cm^3
1.35
Water Absorption

1.6mm
mg
60
3mm
mg
70
6mm
mg
100
12mm
mg
150
Thermal Properties
Maximum Working Temperature
continuous
°C
90
intermittent
°C
120
Thermal classification
A/E
Flammability category
-
Thermal conductivity through laminae
W / (mK)
-
Thermal expansion in plane of laminae
X10^-5 / K
-
Specific Heat
KJ / (kgK)
-
Mechanical Properties
Cross Breaking Strength
MPa
175
-at 150°C (after 1 hour at 150°C)
MPa
-
-at 150°C (after 100 hours at 200°C)
MPa
Charpy impact Strength
un-notched
kJ/m^2
3.0
notched
kJ/m^2
3.9
Compressive strength
flatwise
MN / m^2
280
edgewise
MPa
-
Resistance to flatwise compression
%
1.3
Flexural strength
flatwise
MN / m^2
150
edgewise
MPa
-
Shear Strength
MPa
-
Electrical Properties
Insulation resistance
M Ohms
5 x 10
-after immersion in water  
Ohms
-
Loss tangent a 1MHz
-
-
Permittivity at 1MHz
-
-
Dielectric Strength
flatwise
V
-
 
edgewise
V
-
Comparative tracking index (CTI)
-
-
Specifications
BS2572 Type P1
BSEN60893 Type 3-4-PFCP202

 

 

 


Presspahn Ltd, Wharncliffe Works, Harrogate Road, Bradford, BD2 3TB
Tel: +44 (0) 1274 636333 Fax: +44 (0) 1274 626024
E:Mail:Sales@Presspahn.com