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High Temperature Powder Coatings
High temperature powder coating systems engineered for heat resistance, corrosion protection, and durable finish performance in demanding industrial environments.
INFERNEX® High Temperature Powder Coatings
INFERNEX® high temperature powder coatings are engineered for demanding industrial applications requiring heat resistance, corrosion protection, durable adhesion, and finish stability at temperatures up to 1000 °F.
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 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) |
Designed for high-temperature decorative applications, this textured flat black powder delivers an ultra-low gloss finish ideal for outdoor fireplaces, engines, and exhausts. It offers excellent corrosion resistance, UV durability, and film quality, and withstands temperatures up to 1000 °F (537 °C).
Key Properties
| Peak Temp | 1000 °F (537 °C) | Continuous | 800 °F (427 °C) |
| Adhesion (1 Hr) ASTM D3359 | 5B | Color Change (8 Hrs) | PASS |
| 336 Hrs Salt Spray ASTM B117/D1654 | PASS | Gloss @ 60° ASTM D523-14 | 1.5 -2.5 |
| Accelerated Weathering (QUV A) ASTM D4587-11 | dE2000 576 Hrs | Pencil Hardness ASTM 3363 | 5H |
| Impact Resistance ASTM D2794-90 | 100 in-lbs | Cure Cycle 17 Minutes @ | 428 °F (220 °C) |
INFERNEX® PT-1000 was developed to produce a slightly textured black coating with great pre- and post-burn adhesion. This satin powder coating performs well at a continuous 800 °F (426° C) and offers a balance of function and appearance. Performance testing of one hour at 1000 °F resulted in very good adhesion.
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) |
INFERNEX® 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) |
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 (8 Hr) ASTM D3359 | 5B | Color Change (8 Hrs) | PASS |
| Accelerated Weathering (QUV A) ASTM D4587-11 | dE 0.45 300 Hrs | Gloss @ 60° ASTM D523-14 | 25 – 35 |
| Impact Resistance ASTM D2794-90 | 40 in-lbs | Pencil Hardness ASTM 3363 | 2H |
| Cure Cycle 10 Minutes @ | 450 °F (232 °C) |
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) | 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) |
Need Help Selecting a High Temperature Coating System?
Selecting the right high temperature coating depends on operating temperature, substrate, corrosion exposure, application process, and whether the application requires a single coating or multi-coat system. Our team can help you identify the right combination for your equipment and operating environment.
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