YCR-9940 is a two-component heat curable polysilazane coating formulated with high-purity polysilazane resin and ceramic functional fillers. After heating curing at 260°C, it converts into compact inorganic Si-C-N ceramic layer, creating an airtight barrier to isolate metal substrates from high temperature oxidation, acid and salt corrosion. This high temperature resistant polysilazane coating stably works at -30°C to 1000°C, reaching ultra-high pencil hardness 8H, resisting repeated thermal shock without cracking or peeling. It fits carbon steel, stainless steel, high-temperature alloy, cast iron and titanium alloy, widely used for metallurgical equipment, industrial furnace and high-temperature metal component long-term anti-corrosion protection.

• Type: Two-component A+B polysilazane coating

• Curing Condition: 260℃ / 60 mins heat curing

• Long-term working temp: -30 ~ 1000℃, peak temp 1300℃ (nitrogen environment)

• Hardness: 8H pencil hardness

• Dry film thickness: 10–40 μm

• Theoretical coverage: 8–15 m²/kg

• Pot life after mixing: 12 h

• Forms dense Si-C-N inorganic ceramic protective film after curing

• Long-term high temperature resistance up to 1000℃

• Ultra-high surface hardness up to 8H, scratch resistant

• Excellent thermal shock resistance, no crack & peel under drastic temperature change

• Superior neutral salt spray resistance over 1000 hours

• Strong adhesion on various metal alloy substrates

• Non-yellowing, anti-oxidation performance at high heat

• Industrial furnace internal metal parts protection

• High-temperature alloy & stainless steel anti-corrosion coating

• Metallurgical production equipment surface treatment

• Heat treatment fixture & tool anti-rust coating

• Titanium alloy & cast iron high-temperature oxidation prevention

• High-temperature pipeline, boiler component protective coating