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High Temp Powder Coatings
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High temperature powder coatings deliver exceptional durability, appearance, and long-term performance for components exposed to elevated temperatures. Choosing the right powder coating starts with your operating temperature, performance requirements, and desired finish. To simplify selection, we’ve organized our powder coatings by temperature range.
Moderate Heat 400 °F – 600 °F (204 °C – 315 °C)
Forrest’s Moderate High Temperature Powder Coatings (400 °F – 600 °F) provide excellent surface hardness, chemical resistance and enhanced charging and handling characteristics. Depending on series, excellent corrosion resistance and good weatherability is also provided.
Key Properties
| Peak Temp | 600 °F (316 °C) | Continuous | 550 °F (288 °C) |
| Adhesion | 5B | Pencil Hardness ASTM 3363 | H |
| Gloss @ 60° ASTM D523-14 | 2 – 5 | Impact Resistance ASTM D2794-90 | 60 in-lbs |
| Cure Cycle | 10 minutes at 400 °F (204 °C) |
Key Properties
| Peak Temp | 500 °F (260 °C) | Continuous | 400 °F (204 °C) |
| Adhesion | 5B | 1318 Hrs Salt Spray | PASS |
| Gloss @ 60° ASTM D523-14 | 2 – 6 | Impact Resistance ASTM D2794-90 | 20 in-lbs |
| Pencil Hardness ASTM 3363 | 2H | Cure Cycle | 10 minutes at 400 °F (204 °C) |
Key Properties
| Peak Temp | 650 °F (343 °C) | Continuous | 600 °F (316 °C) |
| Adhesion | 5B | Accelerated Weathering (QUV A) ASTM D4587-11 | dE 0.56 312 Hrs |
| 240 Hrs Salt Spray | PASS | Pencil Hardness ASTM 3363 | H |
| Gloss @ 60° ASTM D523-14 | Visual | Impact Resistance ASTM D2794-90 | 40 in-lbs |
| Cure Cycle | 10 minutes at 400 °F (204 °C) |
Key Properties
| Peak Temp | 600 °F (316 °C) | Continuous | 450 °F (232 °C) |
| Adhesion | 5B | 240 Hrs Salt Spray | PASS |
| Gloss @ 60° ASTM D523-14 | 14 – 20 | Impact Resistance ASTM D2794-90 | 20 in-lbs |
| Pencil Hardness ASTM 3363 | 2H | Cure Cycle | 10 minutes at 450 °F (232 °C) |
Key Properties
| Peak Temp | 600 °F (316 °C) | Continuous | 550 °F (288 °C) |
| Gloss @ 60° ASTM D523-14 | Visual | Impact Resistance ASTM D2794-90 | 60 in-lbs |
| Pencil Hardness ASTM 3363 | H | Cure Cycle | 10 minutes at 400 °F (204 °C) |
Key Properties
| Peak Temp | 550 °F (288 °C) | Continuous | 500 °F (260 °C) |
| Gloss @ 60° ASTM D523-14 | 80+ | Impact Resistance ASTM D2794-90 | 80 in-lbs |
| Pencil Hardness ASTM 3363 | 3H | Cure Cycle | 15 minutes at 400 °F (204 °C) |
Key Properties
| Peak Temp | 500 °F (260 °C) | Continuous | 500 °F (260 °C) |
| Gloss @ 60° ASTM D523-14 | 10 – 20 | Impact Resistance ASTM D2794-90 | 60 in-lbs |
| Pencil Hardness ASTM 3363 | H | Cure Cycle | 15 minutes at 400 °F (204 °C) |
Key Properties
| Peak Temp | 482 °F (250 °C) | Continuous | 482 °F (250 °C) |
| Gloss @ 60° ASTM D523-14 | 45 – 55 | Impact Resistance ASTM D2794-90 | 40 in-lbs |
| Pencil Hardness ASTM 3363 | H | Cure Cycle | 30 minutes at 400 °F (204 °C) |
Key Properties
| Peak Temp | 572 °F (300 °C) | Continuous | 482 °F (250 °C) |
| Adhesion | 4B | Impact Resistance ASTM D2794-90 | 60 in-lbs |
| Gloss @ 60° ASTM D523-14 | 2 – 4 | Cure Cycle | 30 minutes at 400 °F (204 °C) |
| Pencil Hardness ASTM 3363 | H |
Key Properties
| Peak Temp | 550 °F (288 °C) | Continuous | 400 °F (204 °C) |
| Adhesion | 5B | Impact Resistance ASTM D2794-90 | 60 in-lbs |
| Gloss @ 60° ASTM D523-14 | 35 – 45 | Cure Cycle | 15 minutes at 400 °F (204 °C) |
| Pencil Hardness ASTM 3363 | H |
High Heat 600 °F – 1200 °F (315 °C – 649 °C)
High heat powder coatings are available in two product families. INFERNEX® coatings are engineered for demanding OEM and industrial applications, while our Specialty Finishes provide decorative colors and textures for applications where appearance is equally important.
INFERNEX® – Premium Performance Systems
Engineered for exhaust systems, engines, industrial equipment, and other demanding OEM applications where corrosion resistance, adhesion, and long-term durability are critical.
Originally developed for exhaust systems, PS-1000 has become a trusted high temperature powder coating for exhausts, engines, and silencers. Its smooth black finish provides excellent application properties, over-bake stability, and reliable performance on properly prepared ferrous and non-ferrous substrates.
Key Properties
| Peak Temp | 1000 °F (537 °C) | Continuous | 880 °F (471 °C) |
| Adhesion (1 Hr) ASTM D3359 | 4B | Color Change (8 Hrs) | PASS |
| Accelerated Weathering (QUV A) ASTM D4587-11 | dE 0.11 300 Hrs | Gloss @ 60° ASTM D523-14 | 12 – 18 |
| Impact Resistance ASTM D2794-90 | 80 in-lbs | Pencil Hardness ASTM 3363 | 3H |
| Cure Cycle | 20 Minutes @ 450 °F (232 °C) |
Originally developed for exhaust systems, PS-1000 Silver delivers the same proven performance as the black formulation in a silver finish. It offers excellent application properties, over-bake stability, and reliable performance on properly prepared ferrous and non-ferrous substrates.
Key Properties
| Peak Temp | 1000 °F (537 °C) | Continuous | 800 °F (427 °C) |
| Adhesion (1 Hr) ASTM D3359 | 4B | Color Change (8 Hrs) | PASS |
| Accelerated Weathering (QUV A) ASTM D4587-11 | dE 0.09 300 Hrs | Gloss @ 60° ASTM D523-14 | 12 – 18 |
| Impact Resistance ASTM D2794-90 | 10 in-lbs | Pencil Hardness ASTM 3363 | H |
| Cure Cycle | 20 Minutes @ 450 °F (232 °C) |
PSS-1000 produces a smooth satin black finish for applications where appearance and exterior durability are equally important. It delivers excellent film quality and dependable high temperature performance on ferrous and non-ferrous substrates.
Key Properties
| Peak Temp | 600 °F (316 °C) | Continuous | 500 °F (260 °C) |
| Adhesion (1 Hr) ASTM D3359 | 4B | Color Change (8 Hrs) | PASS |
| Accelerated Weathering (QUV A) ASTM D4587-11 | dE 0.10 6188 Hrs | Gloss @ 60° ASTM D523-14 | 25 – 35 |
| Impact Resistance ASTM D2794-90 | 40 in-lbs | Pencil Hardness ASTM 3363 | H |
| Cure Cycle | 20 Minutes @ 450 °F (232 °C) |
PT-1000 delivers a slightly textured satin black finish with excellent pre- and post-burn adhesion. Designed for demanding high temperature applications, it provides an ideal balance of durability, appearance, and performance.
Key Properties
| Peak Temp | 1000 °F (537 °C | Continuous | 800 °F (426 °C) |
| Adhesion (1 Hr) ASTM D3359 | 4B | Color Change (24 Hrs) | PASS |
| 190 Hrs Salt Spray ASTM B117/D1654 | PASS | Gloss @ 60° ASTM D523-14 | 15-25 |
| Impact Resistance ASTM D2794-90 | 40 in-lbs | Pencil Hardness ASTM 3363 | 3H |
| Cure Cycle | 20 Minutes @ 400 °F (204 °C) |
PS-800 features a smooth satin jet black finish with excellent hardness and exterior durability. Proven for years in exhaust and muffler applications, it delivers reliable performance at temperatures up to 800 °F (426 °C).
Key Properties
| Peak Temp | 800 °F (426 °C) | Continuous | 800 °F (426 °C) |
| Adhesion (1 Hr) ASTM D3359 | 5B | Color Change (8 Hrs) | PASS |
| Accelerated Weathering (QUV A) ASTM D4587-11 | dE 0.45 300 Hrs | Impact Resistance ASTM D2794-90 | 40 in-lbs |
| Gloss @ 60° ASTM D523-14 | 25 – 35 | Pencil Hardness ASTM 3363 | 2H |
| Cure Cycle | 10 Minutes @ 450 °F (232 °C) |
Corrosion-Resistant Powder for Moderate Heat
PS-600 combines corrosion resistance with a smooth flat black finish for moderate temperature applications. Designed to withstand harsh environments, it delivers dependable protection while maintaining an attractive appearance.
Key Properties
| Peak Temp | 700 °F (371 °C) | Continuous | 600 °F (315 °C) |
| Adhesion (1 Hr) ASTM D3359 | 3B | Color Change (24 Hrs) | PASS |
| 500 Hrs Salt Spray ASTM D523-D1654 | PASS | Impact Resistance ASTM D2794-90 | 40 in-lbs |
| Gloss @ 60° ASTM D523-14 | 5 – 10 | Pencil Hardness ASTM 3363 | H |
| Cure Cycle | 20 Minutes @ 450 °F (232 °C) |
Specialty Colors & Finishes
Ideal for decorative, architectural, and specialty applications requiring high temperature performance with metallic, textured, or designer finishes.
Key Properties
| Peak Temp | 500 °F (260 °C) | Continuous | 400 °F (204 °C) |
| Adhesion | 4B | 240 Hrs Salt Spray | PASS |
| Gloss @ 60° ASTM D523-14 | 30-40 | Impact Resistance ASTM D2794-90 | 40 in-lbs |
| Pencil Hardness ASTM 3363 | 2H | Accelerated Weathering (QUV A) ASTM D4587-11 | dE 0.54 312 Hrs |
| Cure Cycle | 6 minutes at 450 °F (232 °C) |
Key Properties
| Peak Temp | 500 °F (260 °C) | Continuous | 400 °F (204 °C) |
| Adhesion | 4B | 240 Hrs Salt Spray | PASS |
| Gloss @ 60° ASTM D523-14 | 30-40 | Impact Resistance ASTM D2794-90 | 40 in-lbs |
| Pencil Hardness ASTM 3363 | 2H | Accelerated Weathering (QUV A) ASTM D4587-11 | dE 0.44 312 Hrs |
| Cure Cycle | 6 minutes at 450 °F (232 °C) |
Key Properties
| Peak Temp | 800 °F (427 °C) | Continuous | 600 °F (316 °C) |
| Adhesion | 5B | 240 Hrs Salt Spray | PASS |
| Gloss @ 60° ASTM D523-14 | 0 – 4 | Impact Resistance ASTM D2794-90 | 40 in-lbs |
| Pencil Hardness ASTM 3363 | 2H | Accelerated Weathering (QUV A) ASTM D4587-11 | dE 0.67 308 Hrs |
| Cure Cycle | 15 minutes at 400 °F (204 °C) |
Key Properties
| Peak Temp | 500 °F (260 °C) | Continuous | 500 °F (260 °C) |
| Adhesion | 5B | Impact Resistance ASTM D2794-90 | 20 in-lbs |
| Gloss @ 60° ASTM D523-14 | Visual Low | Cure Cycle | 15 minutes at 400 °F (204 °C) |
| Pencil Hardness ASTM 3363 | H |
Key Properties
| Peak Temp | 1060 °F (571 °C) | Continuous | 900 °F (482 °C) |
| Adhesion | 5B | 240 Hrs Salt Spray | PASS |
| Gloss @ 60° ASTM D523-14 | 2 – 7 | Impact Resistance ASTM D2794-90 | 80 in-lbs |
| Pencil Hardness ASTM 3363 | 2H | Accelerated Weathering (QUV A) ASTM D4587-11 | dE 0.13 308 Hrs |
| Cure Cycle | 15 minutes at 450 °F (232 °C) |
Key Properties
| Peak Temp | 1020 °F (549 °C) | Continuous | 800 °F (427 °C) |
| Gloss @ 60° ASTM D523-14 | 0 – 4 | Impact Resistance ASTM D2794-90 | 20 in-lbs |
| Pencil Hardness ASTM 3363 | H | Accelerated Weathering (QUV A) ASTM D4587-11 | dE 0.54 810 Hrs |
| Cure Cycle | 15 minutes at 400 °F (204 °C) |
Key Properties
| Peak Temp | 900 °F (482 °C) | Continuous | 800 °F (427 °C) |
| Gloss @ 60° ASTM D523-14 | 9 – 17 | 240 Hrs Salt Spray | PASS |
| Pencil Hardness ASTM 3363 | H | Impact Resistance ASTM D2794-90 | 20 in-lbs |
| Cure Cycle | 15 minutes at 400 °F (204 °C) | Accelerated Weathering (QUV A) ASTM D4587-11 | dE 1.13 312 Hrs |
Need help selecting the right high temperature powder coating?
Temperature is only one factor in selecting the right powder coating. Substrate, operating environment, finish requirements, cure process, corrosion resistance, and other performance needs can all influence the best choice.
Our team can help you compare options and identify a high temperature powder coating that fits your application and manufacturing process.