Page 25 - Handbook of Adhesives and Sealants
P. 25
xii Contents
11.5.2 Relation between adhesive selection, bondline thickness, and
viscosity 438
11.6 Effect of the part and production requirements on adhesive
selection 440
11.6.1 Nature of the part or assembly 441
11.6.2 Production requirements 441
11.6.3 Cost 445
11.7 Service conditions 445
11.7.1 Service stress 446
11.7.2 Service environment 446
11.8 Special considerations 448
11.9 Verification of reliability 448
11.10 Sources of information and assistance 449
Chapter 12. Sealant Classification and Composition 451
12.1 Introduction 451
12.2 Basic sealant classifications 452
12.2.1 Hardening and non-hardening types 452
12.2.2 Cure type 456
12.2.2.1 Two-part systems 456
12.2.2.2 Single component sealants 458
12.2.2.3 Solvent and water release sealants 459
12.2.3 Classification by end-use 459
12.2.4 Performance classifications 459
12.3 Sealant composition 461
12.3.1 Primary resin 464
12.3.2 Solvents 466
12.3.3 Fillers 466
12.3.4 Plasticizers 467
12.3.5 Additives to improve adhesion 467
12.3.6 Other additives 469
12.4 Sealant formulation 469
12.4.1 Application properties 469
12.4.2 Performance properties 472
12.5 Commercial products and formulations 473
Chapter 13. Sealant Families 475
13.1 Introduction 475
13.2 Low performance sealants 476
13.2.1 Oil- and resin-based sealants 481
13.2.2 Asphaltic and other bitumenous mastics 482
13.2.3 Polyvinyl acetate 482
13.2.4 Epoxy 483
13.2.5 Polyvinyl chloride plastisol 483
13.3 Medium performance sealants 483
13.3.1 Hydrocarbon rubber-based sealants 484
13.3.2 Acrylic 486
13.3.3 Chlorosulfonated polyethylene (Hypalon) 487
13.3.4 Hot-melt sealants 487
13.4 High performance sealants 487
