ICS Industries Mill-Pac Black High Temperature Silicone Sealant - 90 mL | MPB90

ICS Industries Mill-Pac Black High-Temp Silicone Sealant (90 mL) Trusted High-Temperature Sealing for Stoves, Fireplaces & Venting Mill-Pac Black is a professional-grade, high-temperature silicone sealant engineered for fireplaces, stoves, and venting systems requiring long-lasting, flexible seals. Key Features Rated for continuous use up to 1,050°F Non-toxic, environmentally friendly formulation Will not shrink, crack, or bake onto equipment Specified by major stove and fireplace manufacturers Product Features High-Temperature Performance for Hearth Applications Mill-Pac Black high-temperature silicone sealant is designed specifically for wood stoves, pellet stoves, gas appliances, and fireplace venting systems, maintaining a durable seal under extreme heat. Non-Toxic, Environmentally Responsible Formula Formulated with Non-RCF refractory fibers, this sealant eliminates OSHA and EPA concerns associated with traditional refractory materials while remaining fully rated for high-heat operation. Flexible Seal That Won’t Crack or Shrink Unlike conventional sealants, Mill-Pac Black expands slightly to form a tight seal, conforming to rough or misaligned components without cracking over time. Resistant to Combustion Byproducts This high-temp stove sealant resists degradation from acidic combustion byproducts such as: Hydrochloric acid (HCl) Sulfuric acid (H₂SO₄) Nitric acid (HNO₃) Sodium nitrite (NaNO₂) Hydrofluoric acid (HF) Ideal for Professional & DIY Installations Mill-Pac Black applies easily, cleans up efficiently, and does not bake onto equipment, making it a preferred sealant for installers and homeowners alike. Typical Applications Fireplaces Wood-burning stoves Pellet stoves Gas stoves Direct vent systems Flue joints and vent boxes Product Specifications Specification Details Product Name Mill-Pac Black High Temperature Sealant Manufacturer ICS Industries Model Number MPB90 Volume 90 mL Color Black Maximum Continuous Temperature 1,050°F (565°C) Material Type High-temperature silicone sealant Fiber Type Non-RCF refractory fibers Toxicity Non-toxic Environmental Classification Green / environmentally friendly Resistance Acidic combustion byproducts Shrink / Crack Resistance Will not shrink or crack Application Method Manual application Cleanup Easy Hazard Classification Not classified as hazardous Shipping Restrictions None – shippable worldwide Recommended Use Fireplaces, stoves, venting systems