ABSTRACT
ADHESIVE TACK. PE formulated with ± 50/0 low molecular weight (500-2000) polyisobutylene rubber; PE formulated with ± 5% atactic PP (molecular weight 2000-4000).
OILY TACK. PE formulated with ± 1% surfactant
Measure of the blocking force by using an elongation test apparatus with a load cell (Fig. 11).