Synthetic Rubber Technologies Inc.'s new thermoplastic polyurethanes are based on polyether chemistry to give higher performance than caproester types, the firm claims. Rimflex TPU resins are designed for extrusion and injection molding. They are available in Shore A hardnesses of 85-A to 95-A and cost about $2.70 per pound in truckload quantities.
The Uniontown, Ohio, company said it soon will offer flame-retardant and ultraviolet light-stabilized grades.
Tel. (216) 494-2221, fax (216) 494-1404.
Vulcanizate resins offer cost savings
M.A. Hanna Co. Thermoplastic Elastomers said its new vinyl-based thermoplastic vulcanizate thermoplastics offer cost savings vs. typical vulcanizate resins.
Priced at $1.50-$1.60 per pound, HTE 3000 resins resist chemicals, abrasion, tearing and low temperatures, according to the North Ridgeville, Ohio, company. The resins are based on technology acquired from Goodyear Tire & Rubber Co., and are designed for sports equipment and appliances.
Tel. (216) 327-7600, fax (216) 327-2770.
S.C. company offers more Radici nylons
Polymers International Inc. of Spartanburg, S.C., has expanded its range of film-grade nylon resins imported from Radici Group of Bergamo, Italy.
Radilon S35FL and S38L are nylon 6 resins preblended with heat stabilizers and slip agents for high-heat films.
Radici also added nylon 66 and 66/6 for ovenable poultry bags.
Tel. (803) 579-2729, fax (803) 579-4476.
Royce designs colors for injection molding
Royce Associates' new Marlite line of marble-type color concentrates is designed especially for injection molding.
The products are available in stock and custom colors for a range of commodity thermoplastics, according to the East Rutherford, N.J., company.
Tel. (201) 438-5200, fax (201) 438-5207.
Rowmark's sheet looks like brass
Rowmark Inc.'s FlexiBrass acrylic sheet is designed to look like black brass for applications such as awards and signs.
Rowmark of Kensington, Conn., claims the lower-cost acrylic product can be engraved like brass and resists tarnishing and scratches. It can be bent so no rolling is required for curved designs.
Tel. (203) 828-8282, fax (203) 828-1900.
ATF metal screw decreases stress
A metal screw with a cored, recessed root decreases the amount of stress in plasticbosses in assembly of plastic components.
ATF Inc.'s PT screw also has a lower flank angle to cut down on stress when metal fasteners are required, the Lincolnwood, Ill., company said.
Tel. (800) 929-4283, or (708) 677-9335.
Mobil presents HDPE for rotomolded tanks
Mobil Chemical Co. has introduced a more rigid high density polyethylene for rotationally molded chemical and agricultural tanks.
HRA-011 has a lower melt index and higher density than conventional resins and allows thinner walls and improved stress-crack resistance, according to the firm's Polyethylene Business Group in Edison, N.J.
Tel. (908) 321-6000, fax (908) 321-3550.
GE develops solid phosphite antioxidant
GE Specialty Chemicals Inc. in Parkersburg, W.Va., developed a solid phosphite antioxidant it said is easier to handle and more soluble in hydrocarbons.
GE will have sample quantities of Ultranox 641 early next year for trials in polyolefins, styrenics, vinyl, engineering resins and elastomers. The new material is based on butyl ethyl propane diol chemistry rather than conventional pentaerythritol technology.
GE is building a plant in Morgantown, W.Va., to begin making the new product this summer.
Tel. (800) 872-0022, fax (304) 424-5871.
Rohm and Haas rids vinyl siding of gloss
An impact modifier imparts low gloss in vinyl siding, eliminating the need for other additives or post-extrusion proc-esses, according to Rohm and Haas Co. of Philadelphia.
Paraloid KM377 is an acrylic product allowing a wood appearance in vinyl extrusions while maintaining impact resistance, weatherability and processability, the company said.
Tel. (215) 592-3000, fax (215) 592-2285.