Molding of Thermosetting Plastics

Molding of Thermosetting Plastics
Tony Whelan and John Goff
Contents
Plastics and polymers
Review of Molding Methods
Molding of thermosetting plastics
Allyls (DAP/DAIP)
Dough molding compounds (DMC)
Epoxides (EMC or EP)
Granular polyester molding compounds (GPMC)
Melamine formaldehyde (MF)
Phenol formaldehyde (PF
Sheet molding compound (SMC)
Urea formaldehyde (UF)
Table 1: Some names and abbreviations
of plastics and elastomers.
Table 2a: Letters used to modify abbreviations for
plastics (ISO and ASTM).
Table 2b: Commonly-used letters used to modify
abbreviations for plastics
(i.e. in addition to Table 2a).
Table 2c: Symbols used for fillers and/
or reinforcing materials.
Table 3: Some abbreviations and trade names 100
of plastics.
Table 4: Some trade names, abbreviations and 103
suppliers of polymers and polymer compounds.
Table 5: Densities and approximate costs 116
of materials.
Table 6: Approximate price of materials 119
relative to GPPF.
Table 7: Property guides for thermosetting materials 120
Table 8: Unit conversion. 126
Table 9: Temperature conversion
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