NEW PRODUCTS
Chemicals and materials 201 Thermoset polymer. Highly crosslinked material can be molded into large or complex plastic parts with high impact strength, durability, and toughness; more rigid than polyurethane and less brittle than sheet molding compounds. Hercules 202 Epoxy curing agent. Millamine 5260 has higher heat distortion temperature than similar products, and at room temperature has low viscosity for easy handling; also can be used as urethane crosslinker and chemical intermediate for polyamides, other chemicals. Milliken Chemical 203 Foundry resin. Liquid phenolic material is designed for hot coating of sand in production of shell molds and cores. Reichhold Chemicals 204 Carboxylated nitrile material. Compound has excellent abrasion resistance and durability, as well as reduced friction; withstands temperatures from - 4 0 to 250 °F. Parker Seal Group 205 Extrusion coating resin. Low-density polyethylene material is recommended for fast-seal operations; suitable for sugar pouches, industrial bags, laminations. Norchem 206 Resin initiator. Liquid, difunctional ferf-amyl peroxyketal is initiator for producing low-molecular-weight acrylic resins useful in coating applications. Pennwalt 207 Water treatment. Acrylate polymer for use in water treatment products inhibits phosphate deposits and disperses particulates in coolingtower water. Rohm & Haas 208 Sparging medium. Porous stainless steel product provides uniform aeration throughout process and consumes less gas than nonmetallic materials; used in chemical industries. Pall Porous Metal & Special Filters
209 Refractory metal powders. High-purity metal oxides available in 99.8% molybdenum, 99.9% tantalum, 99.7% titanium, and 99.7% tungsten are used for hightemperature coating work requiring extreme temperature resistance. Aremco Products 210 Acrylic emulsion. Material is designed for formulation into exterior paints with high adhesion; properties include wet adhesion to glossy alkyds, wet and dry adhesion to chalky substrates, early development of water resistance. Union Carbide
Literature 211 Catalyst selection. Newsletter explains semiempirical technique for predicting catalyst behavior. Molecular Technology 212 Industrial instruments. 16-page brochure describes instruments for measuring pH, conductivity, humidity, temperature. Presto-Tek
218 Chromatography. 24page newsletter covers subjects ranging from innovative fittings to microprocessorcontrolled integrators, novel sample filtration devices, advances in HPLC columns. Anspec 219 Water-based lubricants. 24-page booklet describes properties of water-soluble extreme pressure and antiwear lubricant additive, di(2-hydroxyethyl) disulfide. Phillips Petroleum 220 Heaters. 12-page selection guide gives information about tank and line heaters and heat exchangers used in petroleum and chemical processing industries. Thermal Fintube International
Labware and instruments 221 Ammonia analyzer. Instrument measures ammonia, nitrate, and inorganic nitrogen in 0-1000 ppm range in virtually any aqueous sample. Wescan Instruments
around curved bodies, flows between rod bundles, and multiphase flows. TSI 227 Spectrophotometer. Unit has digital wavelength and data displays, concentration mode, and wavelength range of 340 to 600 nm. Milton Roy 228 Electronic balances. Dual-range models have capacities of 0-50/0-500 and 0-500/0-5000 g with lowrange resolution throughout. Scientech
Plant equipment and instruments 229 Plant perimeter security. Tone encoder and voice synthesizer provide synthetic voice annunciation over existing radio or public address systems. Butler National 230 Valve indicator. Unit provides visible open or closed indication for quarter-turn valves from distances up to 75 feet. Proximity Controls
222 Enzyme sensor. Multipurpose unit analyzes large variety of biochemicals, including lactose, glucose, ethanol, and lactic acid. Provesta
214 Computers. 80-page catalog contains 157 market research reports on subjects such as artificial intelligence, computers, data communications, graphics, local area networks. Market Intelligence Research
231 Vapor recovery. Activated carbon adsorption system recovers solvent vapors from process air streams; solvent recovery units to fit many applications can be designed. DCI
223 Distillation. Spinning band systems are rated at 118 and 200 theoretical plates, have special o-ring joints and teflon parts that eliminate need for greased glass joints. B/R Instrument
232 Liquids analysis. Near infrared on-line unit measures components such as alcohols, water, organic acids, and hydrocarbons in liquids. Pacific Scientific
215 Personal computers. 100-page sourcebook describes selection of IBM-PC equipment, components with industrial applications. ICS
224 X-ray spectrometer. Portable, hand-held, microprocessor-based analyzer is useful for alloy sorting and materials analysis. Columbia Scientific Industries
233 Pump scavenger. Compact system contains and recovers fuels and solvents from groundwater wells as small as 4 inches in diameter. Oil Recovery Systems
225 Fluids spectrometer. Instrument makes small amplitude elasticity, viscosity measurements directly on coatings products without breaking down structure of materials. Rheometrics
234 Manometer. Combination instrument measures differential air pressure and air velocity in duct traverses, air filters, air monitoring stations. Alnor Instrument
213 Filtration. 44-page engineering handbook on liquid filtration equipment is quick reference to theory of filtration technology. Hydromation
216 NMR spectrometers. Brochure describes high-field instruments with frequencies from 200 to 500 MHz. Bruker Instruments 217 Laboratory supplies. 56-page catalog includes sterile disposable labware, radiation and biohazard safety supplies, pH meters, ultrasonic cleaners, many other items. Markson Science
226 Velocimeter. Laser Doppler instrument with fiber optic probe measures flows in confined areas such as flows
For information on these Items or numbered ads, see Reader Service Card October 28, 1985 C&EN
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