Materials Properties Data Tables

Cryogenic Liquid Boiling Point eC) Material Minimum Temperature of Use ( O 

Plastic Material First Introduced Strength Electrical Properties Acids Bases Oxidizing Agents Common Solvents Product Manufacturing Methods Common Applications 

Acetal Resins 1960 pb P P Injection, blow or extrusion molded Plumbing, appliance, automotive industries 

Acrylic Plastics 1931 G P P F-P F-P Injection, compression extrusion or blow molded Lenses, aircraft and building glazing, lighting fixtures, coatings, textile fibers 

Arc Extinguishing Plastics 1964 E-i Injection or compression molded and extruded Fuse tubing, lightning arrestors, circuit breakers, panel boards 

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Property Data fretworks. These include the Materials Property Data Network, Inc. (MPD) (57) and Chemical Property Data Network (CPDN) and are available on STN. These networks provide menu access to numeric data on the performance of different materials and chemicals. Tables 5 and 6 summarize using the numeric files available on STN. NUMERIGUIDE is a data directory and property hierarchy support file produced by STN it contains information on all properties available in the numeric files on STN. 

The most widely used pad for dielectric CMP is ICIOOO, a class III material [2]. A micrograph of ICIOOO pad microstructure is given in Fig. 7. A summary of material property data taken from a large volume analysis [18] is given in Table V. 

Table 4.12 Characteristic material properties Data sheet No. 2.

Once the types of data have been specified, the relationships between the tables must be defined. The primary data tables provide a unique identifier (ID) for each record. Linking tables were created to relate records from different tables, and these links use the identifier to reference data across tables and enable one-to-one, one-to-many, many-to-one and many-to-many relationships. For example, a substance can have more than one hazardous property and a hazardous property can be present in many substances. A many-to-many relationship would be described for a substance (say with ID=1) that is toxic (ID=1) and flammable (ID=3) - this would be captured through one entry in the Materials table, two entries in the Properties table, and two rows in a material-properties link table (where the field Material would have a value of 1, and the field ID-Properties would have values 1 and 3 respectively). A simplified representation of the various relationships in iSafeBase is shown in Figure 1. 

Physical Properties. Physical properties of waste as fuels are defined in accordance with the specific materials under consideration. The greatest degree of definition exists for wood and related biofuels. The least degree of definition exists for MSW, related RDF products, and the broad array of ha2ardous wastes. Table 3 compares the physical property data of some representative combustible wastes with the traditional fossil fuel bituminous coal. The soHd organic wastes typically have specific gravities or bulk densities much lower than those associated with coal and lignite. 

Table 2 Hsts some of the physical, toxicity, flammabiUty, and reactivity properties of common chemicals (10,13,42,45—51). Also given are some of the quantities specified for reporting spills and for compliance with legislated requirements. The OSHA regulations require that material safety data sheets (MSDS) be developed for all process materials, so that the ha2ard data can be communicated to employees (52). Characteristics of toxicity, flammabiUty, chemical iastabiUty, reactivity and reaction energy, operatiag coaditioas, and corrosive properties of constmction materials must all be considered ia analy2iag ha2ard poteatials of chemicals and chemical operations.

The material properties of window glass are summarised in Table 18.1. To use these data to calculate a safe design load, we must assign an acceptable failure probability to the window, and decide on its design life. Failure could cause injury, so the window is a critical component we choose a failure probability of 10The vacuum system is designed for intermittent use and is seldom under vacuum for more than 1 hour, so the design life under load is 1000 hours. 

The insulating properties of polyethylene compare favourably with those of any other dielectric material. As it is a non-polar material, properties such as power factor and dielectric constant are almost independent of temperature and frequency. Dielectric constant is linearly dependent on density and a reduction of density on heating leads to a small reduction in dielectric constant. Some typical data are given in Table 10.6. 

Here s some library or Internet work for you. Compile a table of values on the porosity of common materials (e.g., soils, clay, glass beads, crushed stone, charcoal, other materials). Or if you are really ambitious, apply the equations provided in this chapter along with physical properties data obtained from your search and estimate the porosities. 

Table 3-1 gives typical mechanical property data for four materials, the exact values of which are unimportant for this discussion. Aluminum and mild steel have been used as representative metals and polypropylene (PP) and glass fiber-TS polyester reinforced plastics (GRP) as representative plastics. Higher-performance types could have been selected for both the metals and plastics, but those in this table offer a fair comparison for the explanation being presented. 

The fluid physical properties required for heat-exchanger design are density, viscosity, thermal conductivity and temperature-enthalpy correlations (specific and latent heats). Sources of physical property data are given in Chapter 8. The thermal conductivities of commonly used tube materials are given in Table 12.6. 

Organophosphate Ester Hydraulic Fluids. The physical and chemical property information available for the organophosphate ester hydraulic fluid products and components is presented in Tables 3 A, 3-5, 3-8, and 3-9. Much of this information was abstracted from trade literature or data taken from material safety data sheets. While there is information on many of the major component chemicals in the hydraulic fluid products, there can still be major data uncertainties for products that involve mixtures of different components. While current manufacturing practices aim to minimize or eliminate the presence of such worrisome components as th-ortho-cresyl phosphate, there remain major uncertainties about the composition and properties of older products, which would be more commonly encountered as site contaminants at NPL sites. Additional information on physical and chemical properties for organophosphate ester hydraulic fluid products is, therefore, an important data need. 

Cyclic voltametric analysis has been utilized to determine material properties of this class of heterocyclic compounds. All the DTPs 23 <2003JOC2921 > exhibited a well-defined irreversible oxidation presumably corresponding to the formation of the radical cation. When scanned to higher positive potentials, it resulted in two consecutive broad oxidations for most of the DTPs. The second oxidation is quite weak, followed by a more intense and well-defined third oxidation. Coupling of thiophene radical cation is usually rapid (r <10-5 s) <1995SM(75)95>. These additional broad waves most likely correspond to the oxidation of coupled products rather than further DTP oxidations. The electrochemical data of the DTP S 23 are given in the Table 10. 

When q "c = q"g cri(, then Ts = Tig, and hence the material properties can be determined. We see these fitted effective properties listed in Table 7.5 for a variety of materials. Table 7.6 gives generic data for materials at normal room conditions. It can be seen that for generic plywood at normal room temperature kpc = 0.16(kW/m2 K)2s while under ignition conditions it is higher 0.5 (kW/m2 K)2 s. Increases in k and c with temperature can partly explain this difference. The data and property results were taken from Quintiere and Harkleroad [18]. 

The process of specification should always be subjected to verification to ensure accuracy and meaning in the data provided. Even without recourse to full-scale calculation of the solution, internal consistency of the geometry can be checked, as can closure of curves or overlap of distinct components, whereas physical properties can be matched, say, with tables of established values representing material properties, or compared against experience accrued by modellers. In Figure 15.1 each operational component is connected multiply and reversibly with other components, illustrating the practical side of modeling, where one is often required to repeat steps to correct, clarify, or modify actions taken previously. 

Terpene chemists use trivial names for most of the compounds because the systematic names are much more complex. Common or trivial names, CAS Registry Numbers, and properties of selected terpenes and terpenoids are listed in Tables 2 and 3. Compounds that exhibit chirality also have other Registry Numbers for specific optical isomers. For commercial products, a material safety data sheet (MSDS), which is required by OSHA, frequendy lists multiple names such as a product name, trivial name, IUPAC name and the TSCA name. The MSDS is a good source of information about physical properties, potential health hazards, and other useful information for the safe handling of the materials. When the product is a mixture, the components and their amounts are usually listed along with their Registry Numbers. 

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