Phenolic Paper (SRBP) Technical Data

  P1 P2 P3 UNITS
Mechanical        
         
Tensile Strength 1050 850 600 kg/cm2
Flexural Strength 1450 1450 1100 kg/cm2
Shear Strength
900 820 800 kg/cm2
Impact Strength
     
(Charpy Edgewise)
6.2 6.2 5.5 kg/cm2
Special Gravity
1.38 1.38 1.36  
Water Absorption (3mm)
270 95 72 mg
         
Electrical        
Insulation Resistance        
(In Water 24hrs @ 20oC) 25 150 5000 Meg Ohms
Electrical Strength        
(In Oil @ 90oC)        
Flat Wise (3mm) 3 7.6 8.5 kv/mm
Edgewise (5mm) 5 30 40 kv
         
Thermal Classification 120 (Class E) 120 (Class E)
120 (Class E)
 
         
Specifications Met        
BS 2572: Grade
P1 P2/1 P3/1  
EH 60893‐3‐4
PFCP 201
PFCP 203
PFCP 206
 
DIN 7735 Grade
HP 2061
HP 2061,5
HP 2061,6
 
NEMA LI 11989 GRADE
X XX XXX  
     
Color Natural Natural Natural