Resin Pricing recent news - Plastics Today
WEBPlastics Today Resin Pricing is your source for the latest news and expert commentary on the global market of plastic resins. Learn how resin prices are affected by supply and demand, environmental regulations, trade policies, and technological innovations. Stay ahead of the curve with Plastics Today Resin Pricing.
UPDATED: One-stop material specification: UL acquires IDES
WEBJuly 25, 2012. 3 Min Read. IDES (Laramie, WY), creator and curator of the authoritative resins database for the plastics industry, has been acquired by UL (Northbrook, IL), the global independent safety science company. Sara Greenstein, UL's senior VP, and Mike Kmetz, president and founder of IDES, told PlasticsToday that the deal reflects the ...
Plastic film recycling making significant progress
WEBJan 3, 2018 · Russell: There have been significant advances in recycling of flexible film. ACC’s Plastics Division is working to expand opportunities to recycle two common types of flexible packaging: polyethylene-based film packaging and multi-material film packaging, such as pouches. Our WRAP program is helping to increase PE film recycling by raising ...
About the Author - Injection Molding Magazine
WEBAug 13, 2016 · Three-zone principle. The screw starts with a feed zone: Constant depth, takes up 15 to 30% of length. In the middle is the compression zone, walls close in on the melt/pellet mix, drive air backward and make up for slipping and rolling of pellets in the feed zone. This zone contains the “barrier” of barrier screws: A long double-channel ...
Resin purchasing: Are you getting the best possible price?
WEBSep 2, 2010 · And it’s obviously no small matter when resin likely accounts for at least 60% of your finished product cost. Whereas polypropylene, for example, traded in a $0.15/lb range during the 25-year period from 1979-2004, its price has, at times, more than doubled in the last six years, charting a fairly inexorable path toward $0.90/lb from its ...
Extrusion Basics: The Taming of the Screw - Injection Molding …
WEBSep 19, 2021 · The screw is at the core of the extrusion process. This article summarizes how it works and details the importance of length-to-diameter ratio, channel depth, flight width, and other parameters. Planet Earth is spinning at a rate of 0.0007 rpm. Easy to calculate: One revolution per day, divided by 24 to get revs/hr and then by 60 to get revs ...
Snap-fit Design for Injection Molded Plastic Parts
WEBNov 15, 2019 · The equilateral and half-round profiles enable snapping on or off two parts simply by pressing them together or pulling them apart. We will examine the design considerations associated with each of these snap options based on the previous list of parameters. Deflect within the strength limits of the plastic.
Words of Wisdom: Understanding twin-screw extruders: The high …
WEBMar 4, 2006 · For example: A 40-mm twin-screw extruder is processing a mineral-filled PP at 160 kg/hr, running at 400 rpm with a %torque of 68%. The machine has a 56 kW (approx. 75 hp) motor and a maximum possible screw rpm of 600. kW (applied)=56 kW x .68 x 400/600 x .97=.154 kW per kg/hr. A lower SE indicates that less mechanical energy is being used, and a larger SE indicates more energy.
Experts Discuss How Plastics Are Advancing Medtech Innovation
WEBJan 9, 2024 · The versatility and sustainability of plastics, in particular, have allowed for significant product contributions at a more affordable cost. As innovations in medical plastics, processing methods, and designs help advance industry standards and best practices, regulations and sustainability initiatives are also expected to grow.
HDPE Plastic Can Be Recycled Multiple Times, Study Shows
WEBJan 24, 2018 · Experiment demonstrates that HDPE plastic can be recycled at least 10 times and further processed under controlled conditions. Considering that PET (#1) and HDPE (#2) comprise 97% of all plastic bottles on the market in North America and are the easiest materials to recycle, the recycling industry …