Flex offers enhanced storage for sleeves
Flex Essentials Inc. has debuted a cost-effective system for storing printing sleeves used in flexographic printing.
FlexStor mounts printing sleeves vertically on racks, stacked two or three high, depending on the face width of the sleeve. The top of the sleeve is stabilized with a disk on the inside diameter of the sleeve. Flexographic printers typically need to protect their high-capital investment in sleeves and they also need to come up with suitable storage space, the company claims.
Conventional printing-sleeve- storage systems that rely on horizontal storage can lead to the sleeves sagging into oval shapes because of gravity. Flex Essentials of Caledon East, Ontario, says its system protects against sag, allows high storage density and makes the sleeves easily accessible.
Tel. 905-584-6369, fax 905-584-6316, e-mail [email protected]
GLS TPEs are suited for sound damping
GLS Corp. is developing a range of blow molding thermoplastic elastomers as well as materials especially suited to vibration damping.
The new blow molding TPEs in the firm's Versaflex line feature hardnesses ranging from Shore 35A to 40D. The materials are extremely flexible and retain their shape after prolonged use under demanding conditions, the company claims. Medical and consumer products are two markets the McHenry, Ill., firm will target with the new grades.
GLS also is developing specialty vibration- and sound-damping TPE alloys. GLS envisions uses in hardware tools, footwear, electronics, building materials, personal protection and other applications.
GLS will formally introduce the above new products at the K 2007 trade show to be held in October in Dsseldorf, Germany.
Tel. 800-457-8777 or 815-385-8500.
New Dow dispersions offer more flexibility
Dow Chemical Co. has introduced waterborne polyolefin dispersions that can provide new coatings, sealants, binders and other applications.
Hypod dispersions combine the performance of high-molecular-weight thermoplastics and elastomers with the advantages of waterborne dispersions. The products are the first to result from Dow's Bluewave mechanical dispersion technology that provides polymer dispersions not possible from emulsion polymerization.
The Midland, Mich., firm claims Hypod provides opportunities to introduce polyolefin properties to latex-type applications. Processors can develop new products, lower costs and overcome solvent-related environmental issues. Polyolefin properties such as heat stability, low-temperature flexibility and water and chemical resistance can be exploited in thin films as well as in formulations with additives and fillers. Compared with extrusion techniques, Hypod dispersions offer thinner coatings and higher line speeds on existing converting equipment, according to Dow.
Tel. 800-258-2436 or 989-832-1556.
Spiratex Co. extrudes large UHMW PE tube
Spiratex Co. has extruded a large, ultrahigh-molecular-weight polyethylene tube for an undisclosed food-processing company.
Spiratex of Monroe, Mich., extruded a tube with an outside diameter of 12 inches and inside diameter of 6½ inches, which it claims is the largest such tube ever extruded.
A food processor had been machining such an UHMW PE tube from rod but the firm couldn't get the length it desired and was forced to bond two tubes together to get the correct length. The bond, however, created a seam that caused mechanical problems. Spiratex extruded the tube to the exact length required and also eliminated several secondary operations required in the previous approach.
Spiratex claims it was the first to extrude an UHMW PE profile in the early 1960s. It now stocks standard shapes and does custom work.
Tel. 734-289-5226, fax 734-289-4804, e-mail [email protected]
Victrex new PEEK targets electronics
Victrex USA Inc. has debuted a reinforced polyetheretherketone compound it says meets the rigors of electronics manufacturing.
Victrex TF-60C features high strength, high modulus and low creep in uses such as semiconductor processing. It is a blend of Victrex PEEK, Celazole polybenzimidazole and carbon-fiber reinforcement.
West Conshohocken, Pa.-based Victrex USA says its T series products provide high mechanical strength at temperatures up to 572° F, making them an alternative to metals and plastics that can't be melt processed. Also, the materials are recyclable, boosting molding yields.