久久久精品国产sm调教网站-欧美av一区二区在线播放-久久久久久一级毛片免费野外-人妻有码av中文字幕久久午夜-亚洲av的国产天堂av在线-亚洲 欧美 一区 二区-精品国产一二三产品区别在哪-日韩一区二区精品视频在线观看-国内熟妇人妻色无码视频在线

0086 391 3299607

TECHNICAL

2Plastic refining characteristics of several common rubber

Release:emykpehf View:2343

1: natural rubber and natural rubber more easy to obtain plasticity. The initial viscosity of low viscosity and low viscosity standard maleic rubber is generally not required to be refined. If other types of standard rubber Mooney viscosity is greater than 60, will still be plastication. Natural rubber mixing machine mixing, roller temperature is 30 DEG -40 DEG, time is about 15-20min. When the temperature reached 120 degrees Celsius, the time was about 3-5min. When the addition of plasticizer or plastic solution

2: natural rubber and natural rubber more easy to obtain plasticity. The initial viscosity of low viscosity and low viscosity standard maleic rubber is generally not required to be refined. If other types of standard rubber Mooney viscosity is greater than 60, will still be plastication. Natural rubber mixing machine mixing, roller temperature is 30 DEG -40 DEG, time is about 15-20min. When the temperature reached 120 degrees Celsius, the time was about 3-5min. When the addition of plasticizer or plastic solution


Recommended Information

  • Telephone
  • message
    Message
  • map
    Map
  • ewm
    QR code