After 60 years at the firm started by his father, John Winzeler is retiring and has sold his gear molding business to a ...

According to AIMPLAS, the new accelerated biodegradation test subjects materials to simulated industrial composting conditions in order to measure the conversion of polymeric carbon into CO₂. Thanks ...

Xaloy has launched TriMetalX, an extruder barrel that the company says offers more durability and performance for processing highly corrosive resins. TriMetalX barrels are built via a proprietary ...

Century Inc., Traverse City, Mich., has sold its twin-screw extrusion business to CPM Holding in Waterloo, Iowa, which also owns California Pellet Mill.

The intensification ratio is equal to the ratio of the effective areas of the hydraulic ram to that of the screw check valve. Since those values often are not readily available, the intensification ...

Melt flow rate testing can be characterized as the Rodney Dangerfield of material test methods—it gets no respect. People from all parts of the industry downplay the value of the test or denigrate its ...

Aimed at complex profiles such as PVC lineals, retrofittable system adds turbulent cooling to calibrator to boost output by 25-50%.

Perhaps the greatest difficulty involving the use of color concentrates is specifying them appropriately for the material to which they are being added.

Density & Molecular Weight in Polyethylene This so-called 'commodity' material is actually quite complex, making selecting the right type a challenge.

Solving Issues with Gloss Your problem may be related to tooling, material, processing, or combinations thereof. Here’s how to find the root cause.

Understanding Melting in Single-Screw Extruders You can better visualize the melting process by “flipping” the observation point so the barrel appears to be turning clockwise around a stationary screw ...