Fluorescent, methacrylate ester acrylic, wax-like, semi-solid retaining compound self-feeding stick designed for bonding of cylindrical fitting parts.
LOCTITE(R) 668 is a green, fluorescent, methacrylate ester acrylic, wax-like, semi-solid retaining compound self-feeding stick designed for the bonding of cylindrical fitting parts. It is particularly well suited for applications where a liquid product may be too fluid to stay on a part or be difficult to apply. It allows for direct contact to metal parts during application to ensure even coverage.

Wax-like, semi-solid, self-feeding stick
It stores easily
Withstands temperatures to +400 °F (+204 °C)
Allows for direct contact to metal parts during application to ensure even coverage