Recycling of polypropylene is made more difficult by the presence of various colorants and nucleators in mixed batches of reclaim, which can affect shrinkage and warpage.
Microprocessor controls on two new hand-held ultrasonic welders from Sonics & Materials Inc., Newtown, Conn., allow the devices to be set to weld with digital time and/or energy control.
Kuka Systems in Germany has developed an induction welding head and accompanying software that allow a 6-axis robot to bond hollow 3D thermoformed shells.
The first extruder in this country to have the new eight-screw devolatilizing section from Gneuss, Inc., Matthews, N.C., was delivered last September to a processor in Florida.
New rigid PET fillm and sheet from Invista Polymer and Resins, Wichita, Kan., contains up to 25% post-consumer recycled content and boasts color, clarity, and processability equivalent to 100% virgin APET for thermoformed food packaging.
A new variation on a hybrid-electric press, as well as special machines designed for liquid silicone rubber (LSR), thermoplastics compounded with carbon nanotubes, or a paper pulp/starch mixture were introduced at the IPF show in Japan by Nissei Pla...
Conex Metals in Mumbai, India, is a global supplier that offers a wide range of competitively priced brass and bronze molding inserts and fasteners for plastics molding.
DataRecorder from Herrmann Ultrasonics Inc., Bartlett, Ill., is a new Windows-based add-on software package that improves the data-management and communications capabilities of the company’s Dialog ultrasonic welders.
A 90-mm single-screw extruder produced PET strapping from 100% undried PET bottle flake at a July open house of SIMA SrL, Bologna, Italy, a builder of extrusion lines for strapping.
Advanced size-reduction technology is said to mill plastics previously considered ungrindable.