Among the first instruments plastics molders, extruders, and compounders are likely to consider when outfitting a new lab is a melt-flow indexer or “melt indexer.” Known as an extrusion plastometer in ...

The two main MFI test standards are ASTM D1238 - “Standard Test Method for Melt Flow Rates of Thermoplastics by Extrusion Plastometer” and ISO1133 – “Determination of the Melt Mass-Flow Rate (MFR) and ...

Editor?s note: The author, Donald E. De Laney, a consultant in polymer process rheology, worked with GE for 17 years and has worked with Dynisco over the past eight years. The plastics compounding and ...

When it comes to molding processes in plastics manufacturing, achieving a consistent flow can sometimes feel like trying to steer a ship through rocky waters. The secret to success lies in mastering ...

Polycarbonate materials based on bisphenol-A (BPA) are noted for their inherent optical clarity, low color, toughness, and ductility, along with high heat, chemical, and flame-resistance properties.