{"id":197542,"date":"2024-10-19T12:34:24","date_gmt":"2024-10-19T12:34:24","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/asa-s2-21-1998-r2017\/"},"modified":"2024-10-25T05:07:57","modified_gmt":"2024-10-25T05:07:57","slug":"asa-s2-21-1998-r2017","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/asa\/asa-s2-21-1998-r2017\/","title":{"rendered":"ASA S2.21 1998 R2017"},"content":{"rendered":"
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8<\/td>\n | 0 Introduction 1 Scope, purpose, and applications 1.1 Scope 1.2 Purpose 1.3 Applications 2 Informative references 3 Definitions 3.1 Polyurethane 3.2 Glycol 3.3 Diisocyanate 3.4 Pre-polymer 3.5 Chain extender 4 Components 4.1 Glycol <\/td>\n<\/tr>\n | ||||||
9<\/td>\n | 4.2 Diisocyanate 4.3 Chain extender 5 Required equipment 5.1 Vacuum mixer 5.2 Mold 5.3 Oven 6 Preparation of pre-polymer 7 Preparation of chain extender blend 8 Preparation of final polymer <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" ANSI\/ASA S2.21-1998 (R2017) American National Standard Method for Preparation of a Standard Material for Dynamic Mechanical Measurements<\/b><\/p>\n |