N E W PRODUCTS Chemicals and Materials
WAX INHIBITOR
CORROSION-RESISTANT ALLOY
Paraffin chemical 7814 prevents petroleum wax from building up o n tubing, pipelines, a n d other crude oil production equipment by neutralizing the reactive side chains of the crude oil paraffin molecule. T h e chemical is injected directly into the oil well or a t the wellhead. I t is effective where solvents prove inadequate to dissolve wax. Enjay Chemical Co. 30 1
JS700 engineering alloy contains 25% nickel, 21% chromium, 4.5%
HOLLOW GLASS SPHERES HOLLOW GLASS SPHERES
Family of 3M brand glass bubbles consists of minute hollow spheres of glass which have low density, i n the range 0.20 to 0.37 g/cm3, high strength, a n d chemical stability. T h r e e series are available, one for general use, one with lowest density a n d medium cost, a n d one with highest strength. T h e spheres were developed for compounding with synthetic resins. 3 M Co. 302
FLAME RETARDANTS
METAL SHOT
Firemaster HHP, a n opaque, high-hiding antimony trioxide, a n d Firemaster T T , a n extremely lowhiding antimony compound with excellent afterglow suppressant properties have been added to a line of flame-retardant chemicals. T h e y are effective when combined with halogenated compounds. Michigan Chemical Corp. 303
molybdenum, a n d low carbon. I t is claimed to combat pitting corrosion, over-all corrosion, a n d stress corrosion cracking better than regular stainless steels. Strength, fabrication, formability, a n d welding characteristics are similar to those of austenitic stainless steels. Originally developed for a wet-process phosphoric acid plant, the alloy is available in plates, sheets, bars, pipe, tubing, a n d angles. Jessop Steel Co. 305 METAL SHOT
Poret copper shot, ranging in size from -14 +20 to -60 +80 mesh is now available i n pilot plant quantites. T h e shot has precise sphericity, close size control, a n d high density, and was developed for use as a n extended surface in a proprietary heat exchanger. Its use as a filter is also suggested. T h e shot can be bonded i n a reducing atmosphere with brazing alloys to meet corrosion resistance requirements. Olin Chemical Co. 306 RUBBER WATER
TX-150 is a hydrophilic additive which, when added to water, changes a n d controls its properties a n d can solidify i t to the consistency of a stretchable rubber. I t is also available in a nontoxic, pharmaceutical quality for requirements of purity. Oil Center Research Inc. 307
GAS ABSORBENT
M I MM
ACTIVATED CARBON 86
Diglycolamine is a novel amine which is claimed to be more effective i n removing C O z a n d HzS i n gas-treating plants t h a n conventional ethanolamines a n d t o lead t o savings i n both plant capital costs a n d operating costs. T h e savings are due to the lower solution circulation rates which are needed. Jefferson Chemical Co. 304
INDUSTRIAL A N D E N G I N E E R I N G CHEMISTRY
LUBRICANT ADDITIVE
High-grade dibenzyl disulfide is available in semicommercial quantities for use as a n additive to lubricating oils. I t contributes to improved performance by extending the u p p e r pressure limits of lubricants containing it. I t has a n unusually high disulfide content. Mobil Chemical Co. 308
TRACER DYE
LITERATURE
Pyla-Tel Liquid Fluorescent Red is a new concentrated liquid form of fluorescent leak tracing dye. It is available in I-lb plastic bottles with spout dispensers. The dye is also available in dry powder form in fluorescent yellow, pink, a n d red, a n d in liquid form in blue, violet, green, orange, and yellow. Pylam Products Co. Inc. 309
Vitreous Carbon Products. Brochure contains detailed information on vitreous carbon, a highly resistant, imper. meable, glossy carbon with a natural mirror finish for use in a variety of ap. plications. The carbon can be custommolded, fabricated, or machined, and is available in powder form for com posites. Beckwith Carbon Corp. 313
ACTIVATED CARBON
Grade 517 is a new activated carbon characterized by high purity a n d granule abrasion resistance which makes i t particularly suitable for t h e purification of liquid process streams. The manufacturing process results i n the formation of spheroidal shapes having a lower pressure drop t h a n do regular granules. T h e material has a low ash content a n d is available i n 12 x 30- a n d 20 x 40-mesh sizes. Witco 310 Chemical Co.
REFRACTIVE INDEX STANDARDS
A new line of analytical reference standard liquids covers the refractive index range 1.33 to 1.46. The standards are chemical solutions of high stability and a r e b o t h noncombustible and nontoxic. They are intended for the calibration and checking of refractometers. Anacon Inc. 31 1
Product Directory. A 40-page directory describes more than 225 products, including synthetic rubber polymers, rubber chemicals, polyester resins, adhe. sives, sealants, polyvinyl chloride resins and compounds, latices, and solution resins. Applications, color, form, physical properties, and packaging 314 units are listed. Goodyear. Activated Charcoal. Technical paper describes the use of activated charcoal for the purification of ethyl alcohol for beverage and pharmaceutical use. Purification procedures, results of the treatment, and a bibliography are given. Barneby-Cheney. 315 Colloidal Silica. Brochure contains tables of chemical and physical properties of 12 grades of fumed colloidal silica and gives applications for the material. The listing includes Aerosil 130, a new grade that has reduced activity but easier dispersing characteristics. Electron micrographs illustrate the structure of each grade. Degussa, Inc. 316
COATING
Polymer Guide. A 16-page booklet offers a comparative guide to the physical properties and chemical resistance of various rubber polymers. A chart gives a comparison of natural rubber and the six most frequently used synthetic rubbers. Uniroyal, Inc. 317
Chloro-Chem is a new chlorinated r u b b e r coating that gives high-build, fast-drying, and nonflammable properties at low cost in the protection of steel a n d masonry surfaces against corrosive atmospheres. It is highly resistant to oxidizing agents, bleaches, gasoline, oil, and m i l d acids. Steelcote Manuf. Co. 312
Metals and Alloys. Revised version of the booklet, “Properties of Some Metals and Alloys,” provides metal users with a useful reference showing the wide range of chemical, mechanical, and physical properties available. Properties are tabulated in the book and the number of materials discussed has been expanded from 200 to 300. Interna318 tional Nickel Co.
Fatty Acids. Specification chart serves as guide to high quality fatty acids. Chart reveals that Neo-Fat 14 is now available with an average myristic content of 97.5y0 or higher and that its minimum titer has been improved from 500 to 52OC. Armour Industrial 319 Chemical Co. Teflon Labware. Catalog describes a new line of Teflon labware that consists of beakers, tanks, tongs, tweezers, graduates, centrifuge tubes, and other lab items made from FEP Teflon or polypropylene. The FEP is inert to most chemicals and retains its physical characteristics up to 400’F. Fluoroware, Inc. 320 Ammonium Bifluoride. Bulletin 1267 covers the many applications of ammonium bifluoride, including metal cleaning, boiler scale removal, and glass polishing and frosting. Bulletin 366 contains a discussion of the textile applications of NHaHFa and i t s use in souring and iron stain removal. Both bulletins contain information about handling precautions to be taken. 321 Harshaw Chemical Co. Felt Filter Media. Technical bulletin F5-618 gives comparative chemical and thermal resistance data for Afco felt filter media made of wool and a variety of synthetic fibers. Synthetic media covered include polypropylene, Teflon, viscose, Dacron, Orlon, and nylon. Stainless steel, tinned steel, and aluminum filter cartridge materials are also included in the listing. American 322 Felt Co. Reinforced Metal Composites. Newsletter summarizes the physical properties that have been achieved in high modulus, fiber-reinforced metal matrix composites. Boron and silicon carbide filament-reinforced aluminum composite data are presented and compared with conventional aluminum and titanium alloys. General Technologies Corp. 323 Surfactants. Catalog entitled “SurfaceActive Agents” gives the names, structural type, physical form, and solids content of Triton nonionic and anionic surfactants, Hyamine cationic surfactants, Tamol dispersants, and Priminox products. Suggested applications and technical bulletins giving further details are listed. Rohm and Haas Co. 324 VOL. 6 0
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