Table 1.
Characteristic of phenol formaldehyde resin

Resin Properties	Value
Viscosity @ 25°C(poise)	2.27
Specific Gravity @ 25°C/4˚C	1.200
Gelation Time 135˚C(min.)	12’50’’
Resin Content @135°C(%)	42.05
Molecular Weight (Mn)	780
pH (meter/25°C)	12.45