色婷婷久久综合中文久久蜜桃AV,亚洲Aⅴ无码一区二区二三区软件,亚洲AⅤ综合在线欧美一区,久久精品亚洲中文字幕无码麻豆,师父的蘑菇好软水好多H15视频,久久午夜夜伦鲁鲁片无码免费播放区,啦啦啦在线观看视频免费观看,亚洲毛片视频一级,久久国产精品久久国产精品,欧美三级一区二区三区在线观看

• Advantages and disadvantages of acrylic/Plexiglass /PMMA material?

  PMMA is short for polymethyl methacrylate, also known as acrylic or plexiglass, it is widely used, suitable for injection molding extrusion and other processes, its advantages and disadvantages are as

  2024/08/03 PMMA

• What kinds of injection mold steel are commonly used

  Commonly used injection mold steels include the following:1. P20 die steel: with good machining performance and polishing performance, it is often used to manufacture plastic molds with general requir

  2024/07/29 Injection mold steel

• What is the standard of M-thread pitch on the drawing?

  M-type thread refers to the common thread, that is, the national standard thread, ?, where "M" represents the type of the thread, ? and the number behind M indicates the metric diameter of t

  2024/07/01 M-thread pitch

• What plastic material is Acetal

  Overview of Acetal materialsI. Definition and nature of Acetal materialsAcetal(polyacetal), also known as polyformaldehyde (POM) or polyoxymethylene (POM), is a thermoplastic engineering plastic. It h

  2024/06/29 Acetal

• In what areas will plastic friction additives be used?

  Plastic friction additives are widely used in the following fields:1. Automotive industry: used to manufacture automotive interior parts, engine parts, transmission system parts, etc., to reduce frict

  2024/06/24 plastic friction additives

• What are the best weather-resistant materials?

  Common materials with good weather resistance include:- ASA/PC: With excellent cold resistance, high heat resistance and weather resistance, it is recommended for automotive painting external applicat

  2024/06/22 weather-resistant materials

• What is the difference between BSP thread and NPT thread?

  BSP (British Standard Pipe) Thread and NPT (National Pipe Thread) thread are two common pipe thread standards, and there are some differences between them:Regional and national standards:BSP thread is

  2024/04/02 BSP thread and NPT thread

• A batch of high-quality plastic parts exported to the United States

  Hooren high-quality plastic parts exported to the US marketFocusing on high-quality plastic parts, Hooren mold has been winning the trust and recognition of domestic and foreigncustomers with its good

  2024/03/29 Hoorenmold