thermal property

Heat Deflection Temperature of Plastics

HDT (ISO 75) is a practical measure of a plastic's short-term resistance to heat under stress, commonly reported at 0.45 or 1.8 MPa loads.

Unit: °CMaterials ranked: 189Order: highest first

#	Material	Category	Heat Deflection Temperature (°C)
1	PEEK Polyether Ether Ketone	High Performance Thermoplastic	160 °C
2	Polycarbonate Polycarbonate	Engineering Thermoplastic	130 – 140 °C
3	POM (Delrin) Polyoxymethylene	Engineering Thermoplastic	110 °C
4	Polypropylene Polypropylene	Commodity Thermoplastic	100 °C
5	Acrylic (PMMA) Poly(methyl methacrylate)	Commodity Thermoplastic	95 °C
6	ABS Acrylonitrile Butadiene Styrene	Engineering Thermoplastic	85 – 100 °C
7	Durable Tough Cast Polyurethane Cast Polyurethane (PU) elastomer	Elastomers/TPEs	60 - 100 °C
8	PA66 Polyamide 6,6 (Nylon)	Engineering Thermoplastic	75 °C (unfilled)
9	HDPE High-Density Polyethylene	Commodity Thermoplastic	75 °C
10	PDLA Stereocomplex Grade C Poly(D-lactic acid), Stereocomplex Grade C	Bioplastics	75 °C
11	PEF Barrier Bottle Polyethylene Furanoate, Barrier Bottle Grade R	Bioplastics	75 °C
12	PLLA Stereocomplex Poly(L-lactic acid), Stereocomplex Grade GG	Bioplastics	75 °C
13	PETG Polyethylene Terephthalate Glycol	Commodity Thermoplastic	70 °C
14	Automotive Sealing Grade Thermoplastic Vulcanizate (TPV) Thermoplastic Vulcanizate (TPV) - Automotive Sealing Grade	Elastomers/TPEs	60 - 80 °C
15	High-Performance Thermoplastic Vulcanizate (Santoprene) Thermoplastic Vulcanizate (TPV) - Santoprene family	Elastomers/TPEs	50 - 80 °C
16	Bio-PET Bottle Grade O Bio-based Polyethylene Terephthalate, Bottle Grade O	Bioplastics	65 °C
17	Abrasion Resistant Thermoplastic Polyurethane for Footwear Thermoplastic Polyurethane (TPU) - Abrasion Resistant Grade for Footwear	Elastomers/TPEs	50 - 70 °C
18	Cellulose Acetate Film Grade K Cellulose Acetate, Film Grade K	Bioplastics	60 °C
19	Regenerated Cellulose Transparent M Regenerated Cellulose, Transparent Grade M	Bioplastics	60 °C
20	Bio-PET Film Grade Z Bio-based Polyethylene Terephthalate, Film Grade Z	Bioplastics	60 °C
21	Chitosan Crosslinked Chitosan, Crosslinked Grade DD	Bioplastics	60 °C
22	Regenerated Cellulose Coated Regenerated Cellulose, Coated Grade FF	Bioplastics	60 °C
23	PLA High Temp Grade B Polylactic Acid, High Temperature Grade B	Bioplastics	58 °C
24	PLA Polylactic Acid	Bioplastic	55 °C
25	Tough Abrasion-Resistant Thermoplastic Polyurethane (Polyester) Thermoplastic Polyurethane (TPU) - Polyester type	Elastomers/TPEs	40 - 70 °C
26	Flexible Durable Copolyester Ether (Hytrel) Copolyester Ether (COPE - Hytrel family)	Elastomers/TPEs	40 - 70 °C
27	Flexible Durable Copolymer Ether Ester (TPEE) Copolymer Ether Ester (TPEE)	Elastomers/TPEs	40 - 70 °C
28	Hydrolysis Resistant Thermoplastic Polyurethane for Medical Applications Thermoplastic Polyurethane (TPU) - Hydrolysis Resistant Grade for Medical	Elastomers/TPEs	40 - 60 °C
29	PLA Eco Grade A Polylactic Acid, Eco Grade A	Bioplastics	50 °C
30	PHB Rigid Grade E Poly(3-hydroxybutyrate), Rigid Grade E	Bioplastics	50 °C
31	CAB Injection Molding Grade L Cellulose Acetate Butyrate, Injection Molding Grade L	Bioplastics	50 °C
32	Chitosan Film Chitosan, Film Grade T	Bioplastics	50 °C
33	PLA Injection Grade X Polylactic Acid, Injection Grade X	Bioplastics	50 °C
34	PBS High Strength Polybutylene Succinate, High Strength Grade AA	Bioplastics	50 °C
35	Flexible Hydrolysis-Resistant Thermoplastic Polyurethane (Polyether) Thermoplastic Polyurethane (TPU) - Polyether type	Elastomers/TPEs	30 - 60 °C
36	Lightweight Flexible Polyamide Elastomer (Pebax) Polyamide Elastomer (TPA - Pebax® family)	Elastomers/TPEs	30 - 60 °C
37	PBS Easy Process Grade G Polybutylene Succinate, Easy Process Grade G	Bioplastics	45 °C
38	Casein Bioplastic Casein, Bioplastic Grade U	Bioplastics	45 °C
39	PDLLA High Molecular Weight Poly(D,L-lactic acid), High Molecular Weight Grade W	Bioplastics	42 °C
40	PDLLA Fast Crystallizing Poly(D,L-lactic acid), Fast Crystallizing	Bioplastics	40 °C
41	PHBV Balanced Grade F Poly(3-hydroxybutyrate-co-3-hydroxyvalerate), Balanced Grade F	Bioplastics	40 °C
42	TPS Plasticized Starch J Thermoplastic Starch, Plasticized Grade J	Bioplastics	40 °C
43	Bio-PE High Density Bio-based Polyethylene, High Density	Bioplastics	40 °C
44	PHA Copolymer Tough Polyhydroxyalkanoate Copolymer, Tough Grade Y	Bioplastics	40 °C
45	Cost-Effective Flexible Thermoplastic Polyolefin Thermoplastic Polyolefin (TPO)	Elastomers/TPEs	20 - 50 °C
46	PHA Flexible Grade D Polyhydroxyalkanoate, Flexible Grade D	Bioplastics	35 °C
47	PBAT High Heat Poly(butylene adipate-co-terephthalate), High Heat Grade BB	Bioplastics	35 °C
48	PHA Biocompatible Polyhydroxyalkanoate, Biocompatible Grade HH	Bioplastics	35 °C
49	PBSA Copolymer Grade H Polybutylene Succinate Adipate, Copolymer Grade H	Bioplastics	30 °C
50	Bio-PE Low Density Bio-based Polyethylene, Low Density	Bioplastics	30 °C
51	PBAT Flexible Film Grade I Poly(butylene adipate-co-terephthalate), Flexible Film Grade I	Bioplastics	25 °C
52	PBSA High Flexibility Polybutylene Succinate Adipate, High Flexibility Grade II	Bioplastics	25 °C
53	PLA Basic Filament Polylactic Acid Basic Filament	3D Printing	50-55 °C @ 0.45 MPa
54	PLA Silk Filament Polylactic Acid Silk Filament	3D Printing	48-53 °C @ 0.45 MPa
55	PLA Plus Filament Polylactic Acid Plus Filament	3D Printing	52-57 °C @ 0.45 MPa
56	LDPE Film Grade Low-Density Polyethylene Film Grade	Commodity Plastics	35-45 °C
57	LLDPE Film Grade Linear Low-Density Polyethylene Film Grade	Commodity Plastics	40-50 °C
58	MDPE Pipe Grade Medium-Density Polyethylene Pipe Grade	Commodity Plastics	45-55 °C
59	UHMWPE Bearing Grade Ultra-High Molecular Weight Polyethylene Bearing Grade	Commodity Plastics	40-50 °C
60	PS Crystal Injection Molding General Purpose Polystyrene (Crystal) for Injection Molding	Commodity Plastics	70-80 °C
61	HIPS Injection Molding High Impact Polystyrene for Injection Molding	Commodity Plastics	70-80 °C
62	GPPS Sheet Extrusion General Purpose Polystyrene for Sheet Extrusion	Commodity Plastics	70-80 °C
63	PVC Rigid Pipe Rigid Polyvinyl Chloride for Pipe Applications	Commodity Plastics	60-70 °C
64	PVDC Barrier Film Polyvinylidene Chloride for Barrier Films	Commodity Plastics	50-60 °C
65	EVA Low VA Film Ethylene Vinyl Acetate (Low VA) for Film Applications	Commodity Plastics	20-30 °C
66	EVA Med VA Injection Ethylene Vinyl Acetate (Medium VA) for Injection Molding	Commodity Plastics	10-20 °C
67	EVA High VA Hotmelt Ethylene Vinyl Acetate (High VA) for Hot Melt Adhesives	Commodity Plastics	10-20 °C
68	EVOH 32 mol% Barrier Ethylene Vinyl Alcohol Copolymer (32 mol% VA) for Barrier Applications	Commodity Plastics	50-60 °C
69	EVOH 44 mol% Barrier Ethylene Vinyl Alcohol Copolymer (44 mol% VA) for Barrier Applications	Commodity Plastics	50-60 °C
70	Ionomer Surlyn Packaging Ionomer (Surlyn) for High-Performance Packaging	Commodity Plastics	30-40 °C
71	PET Bottle Grade Polyethylene Terephthalate for Bottle Applications	Commodity Plastics	60-70 °C
72	PET Fiber Grade Polyethylene Terephthalate for Fiber Applications	Commodity Plastics	60-70 °C
73	Bio-PA11 Automotive Bio-based Polyamide 11, Automotive Grade P	Bioplastics	40-50 °C
74	Bio-PA610 Flexible Bio-based Polyamide 610, Flexible Grade Q	Bioplastics	50-60 °C
75	Bio-PA11 Flexible Bio-based Polyamide 11, Flexible Grade CC	Bioplastics	30-40 °C
76	Bio-PA610 Rigid Bio-based Polyamide 610, Rigid Grade EE	Bioplastics	60-70 °C
77	PETG FDM Filament Polyethylene Terephthalate Glycol-Modified Filament for FDM	3D Printing	55-65 °C @ 0.45 MPa
78	ASA FDM Filament Acrylonitrile Styrene Acrylate Filament for FDM	3D Printing	80-90 °C @ 0.45 MPa
79	PA12 FDM Filament Polyamide 12 Filament for FDM	3D Printing	40-50 °C @ 0.45 MPa
80	PA6 FDM Filament Polyamide 6 Filament for FDM	3D Printing	50-60 °C @ 0.45 MPa
81	CF-PA Filament Carbon Fiber Reinforced Polyamide Filament for FDM	3D Printing	70-80 °C @ 0.45 MPa
82	GF-PA Filament Glass Fiber Reinforced Polyamide Filament for FDM	3D Printing	60-70 °C @ 0.45 MPa
83	CF-PET Filament Carbon Fiber Reinforced PET Filament for FDM	3D Printing	60-70 °C @ 0.45 MPa
84	Standard SLA Resin Standard Photopolymer Resin for SLA	3D Printing	45-55 °C @ 0.45 MPa
85	Tough SLA Resin Tough Photopolymer Resin for SLA	3D Printing	55-65 °C @ 0.45 MPa
86	Castable SLA Resin Castable Photopolymer Resin for SLA	3D Printing	40-50 °C @ 0.45 MPa
87	Dental SLA Resin Biocompatible Photopolymer Resin for Dental Applications (SLA)	3D Printing	50-60 °C @ 0.45 MPa
88	SLS PA12 Powder Polyamide 12 Powder for Selective Laser Sintering	3D Printing	40-50 °C @ 0.45 MPa
89	SLS PP Powder Polypropylene Powder for Selective Laser Sintering	3D Printing	40-50 °C @ 0.45 MPa
90	MJF PA12 Powder Polyamide 12 Powder for Multi Jet Fusion	3D Printing	45-55 °C @ 0.45 MPa
91	MJF PA11 Powder Polyamide 11 Powder for Multi Jet Fusion	3D Printing	35-45 °C @ 0.45 MPa
92	rHDPE PCR Natural Recycled High-Density Polyethylene Post-Consumer Recycled Natural	Recycled Polymers	40-50 °C (0.45 MPa)
93	rHDPE PIR Colored Recycled High-Density Polyethylene Post-Industrial Recycled Colored	Recycled Polymers	38-48 °C (0.45 MPa)
94	rPET Bottle Clear Recycled Polyethylene Terephthalate Bottle Grade Clear	Recycled Polymers	50-60 °C (0.45 MPa)
95	rPET Fiber Colored Recycled Polyethylene Terephthalate Fiber Grade Colored	Recycled Polymers	50-60 °C (0.45 MPa)
96	rPS General Purpose Recycled General Purpose Polystyrene	Recycled Polymers	80-90 °C (0.45 MPa)
97	rPC Transparent Recycled Polycarbonate Transparent	Recycled Polymers	120-130 °C (0.45 MPa)
98	Chemically Recycled PET Clear Chemically Recycled Polyethylene Terephthalate Clear	Recycled Polymers	50-60 °C (0.45 MPa)
99	rPVC Rigid Clear Recycled Rigid Polyvinyl Chloride Clear	Recycled Polymers	50-60 °C (0.45 MPa)
100	rHDPE PCR Colored (Blue) Recycled High-Density Polyethylene Post-Consumer Recycled Colored (Blue)	Recycled Polymers	40-50 °C (0.45 MPa)

Other properties

Density Tensile Strength Young's Modulus Flexural Strength Impact Strength (Izod)Elongation at Break Hardness (Rockwell)Melting Point Glass Transition Temperature Continuous Service Temperature Thermal Conductivity Coefficient of Thermal Expansion Water Absorption (24h)Mold Shrinkage Dielectric Strength Dielectric Constant Volume Resistivity