Product Digest
this month's topic Materials
Refractories Bring Strength to the Aluminum and Petrochemical Industries
Thermbond Formula 2000 Series refractories provide improved abrasion resistance and physical strength in aluminum and petrochemical applications. For use in the production of aluminum, Formula 2104-L has proven successful in extending the life of sills, ramps and floors — areas subject to the most mechanical and physical abuse. For the petrochemical industry, and in particular for fluidized catalytic cracking units (FCCU), Formula 2112-R was developed as a highly abrasion-resistant rammable material for erosion-resistant linings, including cyclones and risers. Formula 2125 was developed for high-thermal-stress casting and gunning applications where moderate erosion is a concern, such as overhead fluegas and bypass lines, seal pots and stripper sections.
Appeared In Issue: February 2008
Stellar Materials Inc.
www.thermobond.com
Surfactant Increases Emulsion Stability
The Niax Y-16045 silicone surfactant is a non-hydrolyzable silicone copolymer suitable for formulation into resin blends for manufacturing rigid polyurethane foams. Its potential to substantially increase emulsion stability when the resin components are blended make this compound suitable for manufacturing flexible metal-faced laminated boardstock, rigid metal-faced boardstock and bunstock blown with hydrocarbons. The fine, regular structure of the foams produced with this surfactant results in low thermal conductivity.
Appeared In Issue: February 2008
Momentive Performance Materials
www.momentive.com
Low-Viscosity Silicone Resists Vibration, Shock and Heat
MasterSil 151 is a two-component, low-viscosity silicone compound suitable for high-performance casting, potting and encapsulation. This formulation can be cured at room temperature with little shrinkage. It has excellent electrical insulation properties and optical clarity. With high tensile strength, an elongation at break of 160%, and a Shore A hardness of 45, it is tough and flexible. It has a dielectric strength of 460 V/mil and an operating temperature range of –65°F to +400°F. MasterSil 151 has a 10-to-1 mix ratio by weight, and its low viscosity assures complete fill-in around complicated contours regardless of configuration. Shelf-life in the original containers is 6 mo when stored at 75°F. This compound is available in half-pint, pint, quart, gallon and 5-gal kits.
Appeared In Issue: February 2008
Master Bond, Inc.
www.masterbond.com
Antioxidants Meet Specific End-User Needs
Several advancements have led to the development of new materials in the Songnox line of antioxidants. Songnox 2500 is a hydroquinone-based antioxidant used in medical adhesives and elastomers, as an anti-scorch in wire and cable, and as a color-forming agent in chemical films. Because it is not a phenol, it works in oxygen-deficient conditions. Songnox 4425 is a cresol-based antioxidant that is highly effective in polyamides, polyesters, polyvinyl butyral (PVB) safety glass laminate, high-impact polystyrene, acrylonitrile butadiene styrene (ABS), and a wide range of spin-finish compositions. Supplied in powder form, it is a primary antioxidant for organic polymers, offering the unique combination of very low discoloration, low volatility and high solubility. Songnox 6180 is a phosphite antioxidant that provides outstanding color suppression in ABS as well as low-density polyethylene (LDPE) and linear low-density polyethylene (LLDPE) films, often in combination with Songnox 1680.
Appeared In Issue: February 2008
Songwon Industrial Co., Ltd.
www.songwonind.com
Packing Material Cuts Down on Wear
GFO packing is a high-performance composite material, designed and engineered for use as compression packing for sealing shafts on high-speed pumps, mixers, agitators, and any other equipment with rotating or reciprocating shafts. This material does not become hard or brittle, thus minimizing shaft wear. Its excellent lubricity and high-thermal conductivity keep it cool-running. It can be installed as a facility’s sole packing material, eliminating the costly confusion associated with installing multiple types of packing.
Appeared In Issue: February 2008
W.L. Gore & Associates
www.gore.com/sealants
High-Temperature Coatings Can be Applied Directly to Hot Surfaces
To prevent corrosion under insulation (CUI) and protect equipment exposed to high heat and severe thermal conditions, the Thurmalox 218 Primer/219 Topcoat protective coating system can be applied directly by brush, roller or spray to hot surfaces, allowing users to treat hot equipment without first shutting it down. The system is effective at temperatures from ambient to 450_F, including in many applications that involve continuous and rapid wet-dry-wet thermal cycling. Resistant to continuous immersion in ambient, hot and/or boiling water, the coating is a low-VOC, high-solids, high-build, abrasion-resistant modified silicone formulation. Applications include vessels, reactors, process piping, furnaces, flare stacks, reactors, reformers and other equipment in high-temperature service. Thurmalox 218 Primer/219 Topcoat protective coatings are available in 1-gal and 5-gal kits.
Appeared In Issue: February 2008
Dampney Company, Inc.
www.dampney.com