Fire-resistant properties

Nomex is another aramid fiber Kevlar and Nomex differ only in that the substitution pattern in the aromatic rings is para in Kevlar but meta in Nomex Nomex is best known for its fire resistant properties and is used in protective clothing for fire fighters astronauts and race car drivers... 

Fire and Wind Hazards. Weather resistance of roof covetings is not necessarily correlated to fire and wiad resistance. Underwriters Laboratory and the Factory Mutual System test and rate fire and wiad hazard resistance, and some durabiUty tests. Organic felt or fiber glass mat base shingles are commonly manufactured to meet minimum UL requirements, which, ia addition to minimum mass, require wiad and fire resistance properties. 

This conclusion is based on a high char yield and similar rates of mass loss at 300°C for untreated and boric acid treated samples. Boric acid samples also had much higher AH+ s and, consequently, higher Ea s. Our results suggest that certain thermally-stable, weak polybasic acids which can complex with polysaccharides may provide fire-resistant properties to lignocellulosics. The results and conclusions were strongly influenced by the technique used to analyze the TGA data. 

Fire Resistive - Properties of materials or designs that are capable of resisting the effects of any fire to which the material or structure may be expected to be subjected. 

Miyafuji, H. and Saka, S. (1996). Wood-inorganic composites prepared by the sol-gel process V. Fire-resisting properties of the SiO,-P,Oc-B,Oo wood-inorganic composites. Mokuzai Gakkaishi,... 

Miyafuji, H., Saka, S. and Yamamoto, A. (1998). Si02-P205-B203 wood-inorganic composites prepared by metal alkoxides ohgomers and their fire-resisting properties. Holzforschung, 52(4), 410-416. 

Saka, S. and Ueno, T. (1997). Several Si02 wood-inorganic composites and their fire-resisting properties. Wood Science and Technology, 31(6), 457-466. 

Better fire-resistant properties than dense concrete... 

Each fire hazard must be fully analyzed, and then the fire-resistant mastic is formulated accordingly. Important points which must be considered are the fire classification, the nature of the substrate, the conditions surrounding the fire hazard, and other protective properties it must possess in order that its fire-resistant properties will not be destroyed by chemical factors such as water or weathering, or by physical factors before or during the fire. In some instances, an extra demand is placed on the formulator, that the coating should not be removed by the pressure of the water used in extinguishing the fire. 

Wang, Z., Han, E., and Ke, W. 2005. Influence of nano-LDHs on char formation and fire-resistant properties of flame-retardant coating. Prog. Org. Coating. 53 29-37. 

At an optimum addition level of only 1.5 w t %, nano-size magnesium-aluminum LDHs have been shown to enhance char formation and fire-resisting properties in flame-retarding coatings, based on an intumescent formulation of ammonium polyphosphate, pentaerythritol, and melamine.89 The coating material comprised a mixture of acrylate resin, melamine formaldehyde resin, and silicone resin with titanium dioxide and solvent. It was reported that the nano-LDH could catalyze the esterification reaction between ammonium polyphosphate and pentaerythritol greatly increasing carbon content and char cross-link density. 

Phosphate esters have been produced commercially since the 1920s and now have important applications as plasticisers, lubricant additives and synthetic-based fluids for hydraulic and compressor oils. Their first use in lubrication was as anti-wear additives. Later developments in aircraft hydraulic control systems, particularly during the Second World War, introduced phosphate esters as less flammable hydraulic fluids. As esters of orthophosphoric acid they have the general formula OP(OR)3, where R represents an aryl or an alkyl group or, very often, a mixture of alkyl and/or aryl components. The physical and chemical properties of phosphate esters can be varied considerably depending on the choice of substituents [59, 60], selected to give optimum performance for a given application. Phosphate esters are particularly used in applications that benefit from their excellent fire-resistant properties, but compared to other base fluids they are fairly expensive. 

Poly-alpha-olefins and similar hydrocarbons Synthetic fluids with no specific fire-resistant properties Fire-resistant oil-in-water emulsions containing maximum 20% mass of combustible materials... 

THERMAL INSULATIVE AND FIRE RESISTANCE PROPERTIES OF SOREL CEMENT... 

MAJOR APPLICATIONS Used in making canopies for supersonic aircraft, bubble helmets for astronauts, break-resistant windows, and bullet-resistant laminates for banks and armored cars. It is also used for computer housings where mechanical, electrical and fire-resistance properties are needed. It is also used in steam-sterilizable food-processing equipment. 

---