Compare materials

127 side-by-side comparisons across 31 materials. Each one shows both sets of values with the source, test method and conditions behind them — and works out the difference for you. Materials are only compared within their own class, because a commodity thermoplastic and a UD lamina answer different questions.

ABS vs Polyethylene, high-density (HDPE)
ABS vs Polyamide 6 (PA6, Nylon 6)
ABS vs Polyamide 66 (PA66, Nylon 66)
ABS vs Polycarbonate (PC)
ABS vs PEEK
ABS vs PEI (Ultem)
ABS vs PET
ABS vs Acrylic (PMMA)
ABS vs Polypropylene (PP)
ABS vs Polystyrene (GPPS)
ABS vs PTFE (Teflon)
ABS vs PVC, rigid (uPVC)
Polyethylene, high-density (HDPE) vs Polyamide 6 (PA6, Nylon 6)
Polyethylene, high-density (HDPE) vs Polyamide 66 (PA66, Nylon 66)
Polyethylene, high-density (HDPE) vs Polycarbonate (PC)
Polyethylene, high-density (HDPE) vs PEEK
Polyethylene, high-density (HDPE) vs PEI (Ultem)
Polyethylene, high-density (HDPE) vs PET
Polyethylene, high-density (HDPE) vs Acrylic (PMMA)
Polyethylene, high-density (HDPE) vs Polypropylene (PP)
Polyethylene, high-density (HDPE) vs Polystyrene (GPPS)
Polyethylene, high-density (HDPE) vs PTFE (Teflon)
Polyethylene, high-density (HDPE) vs PVC, rigid (uPVC)
Polyamide 6 (PA6, Nylon 6) vs Polyamide 66 (PA66, Nylon 66)
Polyamide 6 (PA6, Nylon 6) vs Polycarbonate (PC)
Polyamide 6 (PA6, Nylon 6) vs PEEK
Polyamide 6 (PA6, Nylon 6) vs PEI (Ultem)
Polyamide 6 (PA6, Nylon 6) vs PET
Polyamide 6 (PA6, Nylon 6) vs Acrylic (PMMA)
Polyamide 6 (PA6, Nylon 6) vs Polypropylene (PP)
Polyamide 6 (PA6, Nylon 6) vs Polystyrene (GPPS)
Polyamide 6 (PA6, Nylon 6) vs PTFE (Teflon)
Polyamide 6 (PA6, Nylon 6) vs PVC, rigid (uPVC)
Polyamide 66 (PA66, Nylon 66) vs Polycarbonate (PC)
Polyamide 66 (PA66, Nylon 66) vs PEEK
Polyamide 66 (PA66, Nylon 66) vs PEI (Ultem)
Polyamide 66 (PA66, Nylon 66) vs PET
Polyamide 66 (PA66, Nylon 66) vs Acrylic (PMMA)
Polyamide 66 (PA66, Nylon 66) vs Polypropylene (PP)
Polyamide 66 (PA66, Nylon 66) vs Polystyrene (GPPS)
Polyamide 66 (PA66, Nylon 66) vs PTFE (Teflon)
Polyamide 66 (PA66, Nylon 66) vs PVC, rigid (uPVC)
Polycarbonate (PC) vs PEEK
Polycarbonate (PC) vs PEI (Ultem)
Polycarbonate (PC) vs PET
Polycarbonate (PC) vs Acrylic (PMMA)
Polycarbonate (PC) vs Polypropylene (PP)
Polycarbonate (PC) vs Polystyrene (GPPS)
Polycarbonate (PC) vs PTFE (Teflon)
Polycarbonate (PC) vs PVC, rigid (uPVC)
PEEK vs PEI (Ultem)
PEEK vs PET
PEEK vs Acrylic (PMMA)
PEEK vs Polypropylene (PP)
PEEK vs Polystyrene (GPPS)
PEEK vs PTFE (Teflon)
PEEK vs PVC, rigid (uPVC)
PEI (Ultem) vs PET
PEI (Ultem) vs Acrylic (PMMA)
PEI (Ultem) vs Polypropylene (PP)
PEI (Ultem) vs Polystyrene (GPPS)
PEI (Ultem) vs PTFE (Teflon)
PEI (Ultem) vs PVC, rigid (uPVC)
PET vs Acrylic (PMMA)
PET vs Polypropylene (PP)
PET vs Polystyrene (GPPS)
PET vs PTFE (Teflon)
PET vs PVC, rigid (uPVC)
Acrylic (PMMA) vs Polypropylene (PP)
Acrylic (PMMA) vs Polystyrene (GPPS)
Acrylic (PMMA) vs PTFE (Teflon)
Acrylic (PMMA) vs PVC, rigid (uPVC)
Polypropylene (PP) vs Polystyrene (GPPS)
Polypropylene (PP) vs PTFE (Teflon)
Polypropylene (PP) vs PVC, rigid (uPVC)
Polystyrene (GPPS) vs PTFE (Teflon)
Polystyrene (GPPS) vs PVC, rigid (uPVC)
PTFE (Teflon) vs PVC, rigid (uPVC)

Typical room-temperature values for learning and preliminary design; grades vary and a supplier datasheet always overrides a textbook figure. See the full materials database.