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• Plastic raw material quality index glossary

  1. Density and Relative DensityDensity: Mass per unit volume of a substance, calculated as mass - to - volume ratio. Units are Mg/m3, kg/m3, or g/cm3.Relative Density: Ratio of a substance's densi

  2025/01/08 Plastic raw material

• 30 common problems and countermeasures in injection molding process

  1. When the product is just started, the cause and solution of the product lack of glue after a period of productionWhen the injection molding machine material tube melts due to long heating time, low

  2025/01/06 hooren

• The segmented principle of multistage injection molding

  I. Flow Characteristics of Plastic MeltScrew - Propelling PhaseInitial Segment:Usually starts from the beginning of injection molding. Its main function is to enable the plastic melt to stably enter t

  2025/01/06 Multistage injection molding

• Quality standards for conventional injection molded parts

  This standard mainly specifies the inspection and testing methods for various plastic products in injection molding production. It is applicable to the inspection of general injection - molded product

  2025/01/03 injection molded parts Quality standards

• Modified PBT common problems and solutions

  Polybutylene terephthalate (PBT) has excellent comprehensive properties, such as high crystallinity, fast moldability, weather resistance, low friction coefficient, high heat - distortion temperature,

  2024/12/30 Modified PBT

• What is a melt finger

  The full name of "melt index" is "melt flow index", which is one of the commonly used indicators in the plastic processing field. There are hundreds of different types of PP resin

  2024/12/28 Melt finger

• Injection molding mold rust and elimination method

  Causes of RustHigh Environmental HumidityIn high - humidity environments like the southern Meiyu season (where relative humidity can reach 80% or more), water vapor permeates and forms an invisible wa

  2024/12/25 Die rust removal method

• What is the difference between injection molding machine A B C screw?

  Injection molding machine screws A, B, and C differ in structure, function, and applicable materials. Here's a detailed introduction:Structural DesignA Screw: A conventional, gradually - tapered s

  2024/12/23 Injection molding machine screw