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Phenol-formaldehyde resin

Chemical composition:

Phenol-formaldehyde resin is a novolak type.

A polycondensation product of phenol and formaldehyde in the presence of a catalyst.

 

Appearance:

Novolac resins are produced in the form of pieces of irregular shape, flakes, crumbs or granules from white to yellow.

 

Specifications:

Mass fraction of free phenol,%, not more than 0 - 1.5

The polymerization time from 73 - 93

Fluidity mm, not less than 35 - 50