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RESORCINOL FORMALDEHYDE
RESIN SOLUTIONS

PP-1921 is an ideal (resorcinol-free) adhesion promoter to enhance the bond strength between rubber and synthetic fiber cords or brass/bronze-coated steel wire. During vulcanization, PP-1921 reacts with formaldehyde donors such as HMMM and HMT to form cross-linked structures that retain good adhesion properties upon heat and humidity aging.
Resin Type
Typical Properties
PP-1875L
Resorcinol formaldehyde resin solution
Resin solids (%): 74 – 76
Viscosity (cP): 2500 – 5500
PP-1875L-50
Resorcinol formaldehyde resin solution
Resin solids (%): 49 – 51
Viscosity (cP): 90 – 124
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