TECHNICAL DATA SHEET
Product Name: Norst® PB-600
Classification
Proprietary butyl compound of 100% solids
Applications
Asphalt modifier
Mastic tape
Hot melt sealants
Hot melt adhesives
Benefits
Builds heat resistance in hot melt pressure sensitive adhesives
Raises ring and ball in typical formulation
Stabilizes tack properties
Average Properties
Chemical resistance is comparable to polyisobutylene. Norst® PB-600 has no cold flow but will melt at high temperatures.
Ring and Ball
Softening point is 280º-300ºF
Viscosity
Viscosity range is 100,000 to 120,000 cps using Brookfield HBT Model with no. 6 spindle at 50 rpm at 350ºF
Compatibility
Compatible with aliphatic resins, oils and rubbers. There may be compatibility problems with resins that contain aromatics.
Color
Amber to light brown
Packaging
Solid block form in boxes, 45 pounds net.
Crumb form in boxes, 50 pounds net.