Chemlok® 234B Top Coat
LORD Chemlok® 234B adhesive is a general purpose covercoat adhesive designed for use over Chemlok 205 primer. This adhesive system will bond a wide variety of vulcanized or unvulcanized rubber compounds to primed metal or other rigid substrates. It is composed of a mixture of polymers, organic compounds and mineral fillers dissolved or dispersed in an organic solvent system. Chemlok 234B adhesive will bond compounds based on natural rubber (NR), polyisoprene (IR), styrenebutadiene (SBR), polybutadiene (BR), polychloroprene (CR), nitrile (NBR), butyl (IIR) and chlorosulfonated polyethylene (CSM).
Properties
Appearance: Black Liquid
Viscosity: cps @ 25°C (77°F): 700-1500
Brookfield LVT: Spindle 2, 30 rpm
Density: kg/m3: 1025.44 -1072.2 (lb/gal): (8.55 – 8.95)
Solids Content by Weight, %: 16.0 -19.5
Flash Point (Seta), °C (°F): 28 (83)
Solvents: Xylene, Trichloroethylene
Typical Uses
Used in the application of uncured Natural Rubber
Advantages
Versatile – when used in combination with Chemlok 205 primer, bonds a variety of cured and uncured elastomer compounds; fl exible enough to bond uncured to cured, or cured to cured rubbers with the same or different compositions.
Easy to Apply – applies easily by brush, dip, roll coat or spray methods.
Tech Data Sheet
