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Fire-retardant materials should not be confused with fire-resistant materials. A fire resistant material is one which is designed to resist burning and withstand heat. An example of a fire-resistant material is one which is used in bunker gear worn by firefighters to protect them from the flames of a burning building.
Fire-safe polymers also find application as adhesives in aerospace materials, [3] insulation for electronics, [3] and in military materials such as canvas tenting. [ 4 ] Some fire-safe polymers naturally exhibit an intrinsic resistance to decomposition , while others are synthesized by incorporating fire-resistant additives and fillers.
Typically, their undergarments beneath the heavier fire-resistant gear are made of flame-retardant cotton or another breathable, organic fabric that has been treated to resist ignition. [20] Polymers containing nitrogen, sodium, and phosphorus atoms can work as materials for fire-resistant cellulosic textiles, such as cotton or rayon ...
Additionally, alumina residue forms a protective layer on the material's surface. Mixtures of huntite and hydromagnesite work in a similar manner. They endothermically decompose releasing both water and carbon dioxide, [3] [4] giving fire retardant properties [5] [6] [7] to the materials in which they are incorporated.
Nomex Paper is used in electrical laminates such as circuit boards and transformer cores as well as fireproof honeycomb structures where it is saturated with a phenolic resin. Honeycomb structures such as these, as well as mylar-Nomex laminates, are used extensively in aircraft construction. Firefighting, military aviation, and vehicle racing ...
Materials have a moisture vapor transmission rate (MVTR) that is established by standard test methods. One common set of units is g/m 2 ·day or g/100in 2 ·day. Permeability can be reported in perms , a measure of the rate of transfer of water vapor through a material (1.0 US perm = 1.0 grain/square-foot·hour· inch of mercury ≈ 57 SI perm ...
Fireproofing is rendering something (structures, materials, etc.) resistant to fire, or incombustible; or material for use in making anything fire-proof. [1] It is a passive fire protection measure. "Fireproof" or "fireproofing" can be used as a noun, verb or adjective; it may be hyphenated ("fire-proof").
When UHMWPE is annealed, the material is heated to between 135 and 138 °C (275 and 280 °F) in an oven or a liquid bath of silicone oil or glycerine. The material is then cooled down to 65 °C (149 °F) at a rate of 5 °C/h (9 °F/h) or less. Finally, the material is wrapped in an insulating blanket for 24 hours to bring to room temperature.