MILLPACBLACKX10.3OZ High Performance Mill-Pac Black Fireplace 1050 Degrees Sealant

In stock

$19.90

In stock

Part Number: MILLPACBLACKX10.3OZ
Compatible Brands: Mill-Pac Black
Shipping Weight: 5 Lbs

This 10.3 Ounce Caulking cartridge is a Non-toxic and organically bound IGS Industries’ Mill-Pac Black expands to form a tight seal in your fireplace or stove that will provide years of reliable service. Mill-Pac Black will not shrink or crack and is inert to combustion byproducts.


Several major wood, pellet, and gas stove appliance manufacturers specify Mill-Pac Black as their sealant of choice!


Mill-Pac Black is formulated using Non-RCF refractory fibers, which eliminates OSHA and EPA concerns with using these raw materials. Mill-Pac Black is still rated to a 1050°F (565oC) max continuous operating temperature and has excellent resistance to erosion by gas or wood combustion byproducts.


Since Mill-Pac Black has always been formulated with an organic, non-toxic binding system, it has been considered a green product; with the elimination of RCF fibers, Mill-PAC Black is truly environmentally friendly.


Mill-Pac Black is not classified as a hazardous material and is able to be shipped by standard US Mail, UPS, DHL and other delivery methods.

Maximum operating temperature: 1050 Degrees Fahrenheit

Size: 10.3 Ounce tube




  • Non-Toxic & Organically Bound - Formulated with an organic, non-toxic binding system. With the elimination of RCF fibers, Mill-PAC Black is truly environmentally friendly.
  • High-Performance Mill-Pack Black - Expands to form a tight seal in your fireplace or stove that will provide years of reliable service.
  • OEM Best choice for gas appliances - Mill-Pac will not off-gas like RTV red silicone making it an ideal sealer for replacement pilot tubing and direct vent pipe.
  • 1050°F High Temperature - Rated to a 1050°F (565°C) max continuous operating temperature.
  • Easy to Use - Easy application and clean up. Reduces carbon sooting and off-gas whitening. Does not bake onto equipment. Conforms to rough or misaligned components.



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