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High Temperature Liquid Coatings
High temperature liquid coating systems engineered to withstand extreme heat, thermal cycling, corrosion, and demanding operating environments.
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INFERNEX® High Temperature Liquid Coatings
INFERNEX® high temperature liquid coatings provide heat resistance, corrosion protection, and durable performance for industrial equipment and components exposed to temperatures up to 1200 °F.
L-1200 provides reliable high temperature protection for components exposed to temperatures up to 1200 °F. Its silicone-based formulation provides rapid curing, excellent film integrity, and dependable corrosion resistance across a variety of metal substrates.
Key Properties
| Peak Temp | 1200 °F (648 °C) | Continuous | 1100 °F (593 °C) |
| Adhesion (1 Hr) ASTM D3359 | 4B | Color Change (8 Hrs) | PASS |
| 240 Hrs Salt Spray ASTM B117/D1654 | PASS | Pencil Hardness ASTM 3363 | H |
| Gloss @ 60° ASTM D523-14 | 2 – 5 | Accelerated Weathering (QUV A) ASTM D4587-11 | 100% Gloss Retention |
L-1100 combines high temperature performance with excellent chemical, mar, and corrosion resistance. Its durable satin black finish makes it a proven choice for demanding OEM and industrial applications.
Key Properties
| Peak Temp | 1100 °F (593 °C) | Continuous | 1100 °F (593 °C) |
| Adhesion (1 Hr) ASTM D3359 | 5B | Color Change (8 Hrs) | PASS |
| 240 Hrs Salt Spray ASTM B117/D1654 | PASS | Pencil Hardness ASTM 3363 | H |
| Gloss @ 60° ASTM D523-14 | 5- 10 |
LZ-1100 delivers high temperature corrosion protection without requiring a primer. Its zinc-loaded formulation provides excellent color retention and durable exterior performance at temperatures up to 1100 °F. Available as 251H201 Charcoal and 251H219 Black.
Key Properties
| Peak Temp | 1200 °F (648 °C) | Continuous | 1100 °F (593 °C) |
| Adhesion (1 Hr) ASTM D3359 | 4B | Color Change (8 Hrs) | PASS |
| 200 Hrs Salt Spray ASTM B117/D1654 | PASS | Gloss @ 60° ASTM D523-14 | 0-5 |
L-800 balances heat resistance, corrosion protection, and exterior durability for applications operating at temperatures up to 800 °F. Its flat black finish provides dependable performance on both ferrous and non-ferrous substrates.
Key Properties
| Peak Temp | 800 °F (426 °C) | Continuous | 800 °F (426 °C) |
| Adhesion (1 Hr) ASTM D3359 | 5B | Color Change (8 Hrs) | PASS |
| Accelerate Weathering (QUV A) ASTM D4587-11 | 60% Gloss Retention 300 Hrs | Gloss @ 60° ASTM D523-14 | 4 – 6 |
LB-1100 is engineered for OEM exhaust systems requiring high temperature performance, durability, and corrosion resistance. Qualified for multiple metal substrates, it provides reliable protection in demanding exterior environments.
Key Properties
| Peak Temp | 1100 °F (593 °C) | Continuous | 1100 °F (593 °C) |
| Adhesion (1 Hr) ASTM D3359 | 4B+ | Color Change (8 Hrs) | PASS |
| 24 Hrs Salt Spray ASTM B117/D1654 | PASS | Pencil Hardness ASTM 3363 | H+ |
| Gloss @ 60° ASTM D523-14 | 1 – 5 | Solvent Resistance ASTM D4752 | 100+ MEK rub |
Two-Coat High Temperature Systems
For applications requiring additional corrosion protection, two-coat systems combine a high temperature primer with a compatible topcoat to provide enhanced protection in demanding thermal environments.
A primer and topcoat system designed to provide corrosion protection and durable finish performance for applications operating from 400 °F to 550 °F (204 °C to 288 °C).
Key Properties
54H050 Primer
| VOC | 645 ±2 g/L | Dry to Handle | 30 mins |
| Adhesion ASTM D3359 | 5B | Salt Fog ASTM B117/D1654 | 336 hours (ambient) |
64E Topcoat
| Volume solids (%) | 37 ± 2 | VOC | 4.6 ± 0.25 lbs/gallon |
| Theoretical Coverage (1.0 mil) | 594 ft²/gal | Recommended dry film thickness | 1.5 – 3.0 mils |
| Dry to Handle (77 °F @ 50% RH) | 1 hour | Color | Wide variety of colors available |
A high-performance primer and topcoat system designed for enhanced corrosion protection in demanding high-temperature environments up to 1100 °F.
Key Properties
54H050 Primer
| VOC | 645 ±2 g/L | Dry to Handle | 30 mins |
| Adhesion ASTM D3359 | 5B | Salt Fog ASTM B117/D1654 | 336 hours (ambient) |
62H290 Topcoat
| Dry to Handle | 30 minutes | Adhesion ASTM D3359 | 5B |
| Pencil Hardness ASTM D3363 2 | 2H | Impact Resistance ASTM D2794-90 | 80 in-lbs |
High Temperature Primers
High temperature primers provide additional adhesion and corrosion protection beneath compatible topcoats in demanding thermal environments.
A high solids, 3.5 VOC or lower phenolic modified alkyd primer with non-lifting properties. Rust-inhibitive pigments protect against corrosion. Appropriate for use on interior or exterior steel substrates and compatible with alkyd, acrylic, vinyl, epoxy or urethane topcoats. A 2.8 VOC version meeting TT-P-664D standard is available (216P317). Also available in a low EB for states that have air quality restrictions (216P902).
Series technical data information, can vary from color to color. This information is general and correct to the best of our knowledge.
Key Properties
| Volume Solids (%) | 42% | VOC | 3.5 lbs/gallon or less |
| Theoretical Coverage (1.0 mil) | 738 ft2/gal | Recommended dry film thickness | 1.5 – 2.5 mils |
| Dry to Handle (77 °F @ 50% RH | 30 minutes | Colors | Black, White, Blue, Red Oxide, Yellow, Green, and Gray |
LP-1100 is a silicone heat-resistant primer designed to improve adhesion and corrosion resistance beneath Forrest high temperature topcoats. It is ideal for OEMs using heat-cured coating systems on ferrous and non-ferrous metal substrates.
Key Properties
| Adhesion | 4B | Pencil Hardness | F+ |
| 96 Hrs Salt Fog ASTM B117-D1654 | PASS | Solvent Resistance ASTM D4752 | 100+ MEK rub |
Silicone epoxy co-polymer high-temperature primer designed to give excellent corrosion resistance in ambient or high temperature conditions up to 1100 °F (593 °C).
Key Properties
| VOC | 645 ±2g/L | Dry to Handle | 30 minutes |
| Adhesion ASTM D3359 | 5B | Salt Fog ASTM B117/D1654 | 336 hours (ambient) |
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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