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DENSITY VALUES - SELECTED RESINS

MATERIAL 70°F DENSITY
gr/cc
MELT DENSITY
gr/cc
ABS (INJECTION GRADE) 1.05 0.97
ABS 30% GR 1.28  
ACETAL 1.42 1.17
ACETAL 20% GF 1.55  
ACRYLIC General Purpose) 1.16 1.04
CELLULOSE ACETATE 1.26 1.13
CELLULOSE BUTYRATE 1.20 1.07
CELLULOSE PROPIONATE 1.22 1.10
ETHYLENE VINYL ACETATE 0.95  
IONOMER 0.95 0.73
NYLON 6/6 1.14 0.97
NYLON 6 1.13 0.97
NYLON 6/10 1.08 0.97
NYLON 6/12 1.07 0.97
NYLON 11 1.04 0.97
NYLON 12 1.02 0.97
NYLON 30% GF 1.36  
POLYBUTYLENE 0.92  
POLYCARB/ESTER ALLOY 1.20  
POLYCARBONATE 1.20 1.02
POLYCARBONATE 30% GF 1.42  
CO-POLYESTER PETG 1.27 1.12
CO-POLYESTER PCTG 1.24 1.08
POLYESTER PBT 1.34 1.11
POLYEST PBT/PET 30% GF 1.58  
POLYESTER PET (Bottle) 1.40 1.20
POLYTHERIMIDE 1.27  
POLYETHYLENE Low Density 0.92 0.76
POLYETHYLENE Medium Density 0.92-0.94 0.74
POLYETHYLENE High Density .094-0.97 0.72
POLYTHYL 30% GF HDPE 1.18  
PPO/STYRENE (NORYL) 1.07 0.90
POLYPHENYLENE SULFIDE 1.35-1.80  
POLYPHEN SULFIDE 40% GF 1.65  
POLYPROPYLENE 0.90 0.70
POLYPROPYLENE 30% GF 1.13  
POLYSTYRENE GP 1.05 0.97
POLYSTYRENE Impact Mod 1.04 0.96
POLYSULFONE 1.25 1.16
POLYURETHANE 1.20 1.13
PVC - Rigid 1.39 1.30
PVC - Pipe 1.44 1.32
PVC - Flexible 1.29 1.20
SAN 1.08 1.00
T/P RUBBER (Santoprene) 1.08 1.00
T/P ELASTOMER (Urethane) 0.97 0.93
  0.83 0.82
Injection Molding Refernce Guide, 3rd Edition.
Published with permission from Jay Carender and Advanced Process Engineering - advproeng@aol.com