TECHNICAL DATA SHEET
Product Name: Norst® PB-400
Proprietary, butyl compound of 100% solids
Hot melt adhesives
Hot melt sealants
Excellent low temperature flexibility
Excellent low temperature adhesion
Excellent sag and flow resistance at high temperatures
Chemical resistance is comparable to polyisobutylene. Norst® PB-400 has no cold flow but will melt at high temperatures.
50,000 – 55,000 cps at 350ºF using Brookfield HBT Model with a no. 6 spindle at 50 rpm
Compatible with aliphatic resins, oils, and rubbers. There may be compatibility problems with resins that contain aromatics.
Gray to amber