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![Quality standards for conventional injection molded parts]()
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
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![Modified PBT common problems and solutions]()
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
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![What is a melt finger]()
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
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![Injection molding mold rust and elimination method]()
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
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![What is the difference between injection molding machine A B C screw?]()
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
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![Hydraulic transmission principle of injection molding machine]()
Hydraulic transmission principle of injection molding machine
1. Energy ConversionMechanical to Hydraulic Energy: The hydraulic system uses hydraulic oil as the medium. Power components (e.g., oil pumps), driven by a prime mover (usually a motor), convert the pr
2024/12/20 Hydraulic transmission principle
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![SA styryl acrylonitrile copolymer injection molding]()
SA styryl acrylonitrile copolymer injection molding
1. Properties of SAChemical and Physical TraitsSA, a hard and transparent material, resists internal stress cracking well. It has high transparency, with a softening temperature and impact strength hi
2024/12/18 SA
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![Understand the aging of plastics]()
Understand the aging of plastics
1. DefinitionPlastic aging means plastics' physical, chemical, and mechanical properties degrade irreversibly during processing, storage, and use. External factors such as light, heat, oxygen, wat
2024/12/16 Understand the aging of plastics
