BS EN ISO 20863 pdf download Footwear — Test method for stiffeners and toepuffs — Bondability 1Scope This document specifies a method for the determination of the bondability of heat activated and solventactivated stiffeners and toepuffs to upper and lining materials. 2Normative references The following referenced documents are indispensable for the application of this document. For datedreferences,only the edition cited...