Materials, typical physical properties

There are two major producers of SAN resin in the United States, Monsanto Chemical Company and The Dow Chemical Company, which market these materials under the names of Lustran and Tydl, respectively. Some typical physical properties of these have been shown in Table 1. Production figures for SAN and ABS for the 1980s are shown in Table 6 (148). 

DRI can be produced in pellet, lump, or briquette form. When produced in pellets or lumps, DRI retains the shape and form of the iron oxide material fed to the DR process. The removal of oxygen from the iron oxide during direct reduction leaves voids, giving the DRI a spongy appearance when viewed through a microscope. Thus, DRI in these forms tends to have lower apparent density, greater porosity, and more specific surface area than iron ore. In the hot briquetted form it is known as hot briquetted iron (HBI). Typical physical properties of DRI forms are shown in Table 1. 

Cured sihcone LIM mbber can be fabricated with physical properties equivalent to heat-cured mbber (385). Shore A hardness can range from 30 to 70, depending on formulations. Typical physical properties include tensile strengths as high as 9.7 MPa (1400 psi), 500—775% elongation at break, and tear strength of >30 N/mm (180 Ib/in.). Compression sets of less than 10% can be achieved if the material is baked after processing. 

Silicone foam thus formed has an open ceU stmcture and is a relatively poor insulating material. Cell size can be controlled by the selection of fillers, which serve as bubble nucleating sites. The addition of quartz as a filler gready improves the flame retardancy of the foam char yields of >65% can be achieved. Because of its excellent dammabiUty characteristics, siUcone foam is used in building and constmction fire-stop systems and as pipe insulation in power plants. Typical physical properties of siUcone foam are Hsted in Table 10. 

Physical Properties. The C q trialkylacetic acids, referred to as neodecanoic acid [26896-20-8] or as Versatic 10 [52627-73-3] are Hquids at room temperature. Typical physical properties for commercially available material are given in Table 2. These materials are typically mixtures of isomers, hence no stmctures are given throughout this section. 

Selec ted data on commercially available adsorbents and ion exchangers are given in Tables 16-5 and 16-6. The purpose of the tables is twofold to assist the engineer or scientist in identifying materials suitable for a needed apphcation, and to supply typical physical property values. 

Physical properties involve tests of the physical index parameters of the materials. For spent foundry sand, these parameters include particle gradation, unit weight, specific density, moisture content, adsorption, hydraulic conductivity, clay content, plastic limit, and plastic index. These parameters determine the suitability of spent foundry sand for uses in potential applications. Typical physical properties of spent green foundry sand are listed in Table 4.5. 

Typical physical properties of these classes of materials are given in Table 1. 

Table 5.8 Typical physical properties of acrylic redispersible powers. Source Tsai, M.C., Burch, M.J. and Lavelle, J.A., Solid grade acrylic cement modifiers, in Polymer Modified Hydraulic Cement Mixtures, ASTM STP 1176 (eds L.A. Kuhlam and D.G. Walter), Table 1 published by the American Society for Testing and Materials, Philadelphia, PA, 1993...

Tables I and II list some typical physical properties and/or specifications for the product of the above process. As indicated before, it is an amorphous material which melts over the 95-101°C range. Ash and acidity are low and its flash point high. Its...

Table 26.12 Typical Physical Properties of the Heat Shrinkable Non Tracking Insulating Material (Raychem HV)...

There are two major producers of SAN for the merchant market in the United States, Bayer Corp. and the Dow Chemical Co., which market these materials under the names of Lustran and Tyril, respectively. Bayer became a U.S. producer when it purchased Monsanto s styrenics business in December 1995 (332). Some typical physical properties of these SAN resins have been shown in Table 11. These two companies also captively consume the SAN for the production of ABS as well as SAN-containing weatherable polymers. The other two U.S. SAN producers, either mainly consume the resin captively for ABS and ASA polymers (GE Plastics) or toll produce for a single client (Zeon Chemicals). BASF is expected to become a more aggressive SAN supplier in the United States since its Altamira, Mexico, stryenics plant came on-line in early 1999. Overall, U.S. SAN consumption has been relatively stable for the last few years, ranging from 43 x 10 to 44.5 x 10 t (95-98 million poimds) between 1994 and 1996. Most markets for SAN are growing at only GDP rates. Consumption growth for SAN in 1996-2001 is expected... 

Different refractory ceramics are used for the filter matrix. Most common are cordierite-, aluminum titanate-, and silicon carbide-based products [15, 17-21]. Typical physical properties for these materials are provided in Table 20.1. AU materials can withstand very high temperatures. Key differences between these... 

Typical Physical Properties of and Allowable Stresses for Some Common Materials (in U.S. 

TABLE 5.49 Typical Physical Properties of Major Thermoplastic Piping Materials ... 

A description of some of the typical physical properties of EMA resins are shown in Table 10.28. EMA copolymers are soluble in acetone, pyridine, DMF, and molten MA and insoluble in most of the other common organic solvents. Any free acid is easily removed from the copolymer by standard filter aids. The anhydrides react readily to form amides and esters and these materials are soluble in many polar organic solvents.Also, the salts of the copolymer are soluble only in water. 

PE pipe is available in both schedule number and standard dimension (SDR) sizes. Its principal applications are irrigation and sprinkler systems, drainage, chemical transport, gas distribution pipe, and electrical conduit systems. The typical physical properties for PE material are listed in Table 2.9. 

TABLE 2.9 (continued) Typical Physical Properties of PE Material ... 

The following table lists typical physical properties of PVC and CPVC thermoplastic materials. Variations may exist depending on specific compounds and product. 

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