- Functions:Resins, Binders & Matrix Materials
- Chemical Family:Polyesters
FILCO® 667 is an unsaturated polyester resin available in powder form, designed as a binder for glass mat applications. Its appearance is that of a light yellow powder. Key product characteristics include low viscosity in a molten state and a high binding capacity for glass fibers, particularly in 'hot melt' operating conditions. In its physical form as a powder, it serves multiple functions within composite materials, functioning as a resin, binder, and matrix material. It boasts features such as low viscosity and high binding power, classified under the polymer name 'Thermoset Polyester.