Refractory temperature above 2000 ℃ (℃) specification 300 (mm) Origin U. S. Brand 3M product categories U. S. Fire clay materials of concrete, brick, gypsum board level superior level Fire clay core material forms the shape of a rectangular

Microporous closure for small holes The maximum blocking

Up to 3 hours fire rating

Characteristics of products and systems:

Thermal expansion of elastic material, easy to install

Can repeat the install, easy-to-second crossing

50 years of life, without changing

Smoke tightness, air tightness good

Halogen-free formula

Does not contain asbestos, non-toxic application areas: case of thermal expansion of no vertical flow of halogen-free reusable heat absorption properties of good technical data: at 23 ℃ and 50% relative humidity conditions,

Color: Red

Expansion Ratio: 2 to 3 times

Storage conditions: less than 82 ℃ after the dry environment of international and domestic testing and certification

Type testing of fire protection products in China report a certificate of application: 2 2 bus and other mixed throughout the material steel, brass

Cable bundle substrate

Concrete, brick, gypsum board