The use of a new low smoke, heat distortion temperature modifier for rigid PVC and chlorinated PVC is discussed. This material, CN-1427, is a tetrabromobisphenol A carbonate oligomer which is compatible with vinyl compositions. The carbonate oligomer can be compounded into PVC resin to improve heat distortion temperature of PVC and CPVC by 20â30Â°C.
Oppong is an Ashanti surname that originates in the Ashanti City-State. Notable people with the Ashanti surname include: Dominic Oppong (born 1986), Ghanaian-born Canadian soccer player.
People. 1  Opa Muchinguri, a Zimbabwean politician. 2  Opa Nguette, a French footballer. 3  Opa, the nickname of Dorus Rijkers, Dutch lifeboat-captain who rescued over 500 people in the course of his career. 4  Opa-Opa is a character in the Fantasy Zone video game series. 5  Opa, Dutch or German informal word for grandfather.