久久人午夜亚洲精品无码区-人妻体体内射精一区二区-国产成人无码va在线播放-亚洲午夜未满十八勿入-无码日韩人妻精品久久蜜桃

PTFE6 (polytetrafluoroethylene balls)

PRODUCTS > PLASTIC BALLS > PTFE6 (polytetrafluoroethylene balls)

PTFE6 (polytetrafluoroethylene balls)



 


 

 

 


 

 

 

 


PTFE6 (polytetrafluoroethylene balls)
PTFE balls (PTFE6) are widely used in chemical pumps, oilfield pumps, nuclear power, aerospace, military, and other products.
 Characteristics: PTFE is a white opaque waxy powder with a density of 2.14~2.20g./cm3.
Features: It is heat-resistant—usable at temperatures ranging from 200 to 260 degrees Celsius, cold-resistant—remains flexible at -100 degrees Celsius; corrosion-resistant—resistant to aqua regia and all organic solvents; weather-resistant—has the best aging resistance among plastics; high lubricity — has the lowest friction coefficient (0.04) among plastics; non-stick — has the lowest surface tension among solid materials and does not adhere to any substance; non-toxic— has physiological inertness.
Precision Grade:G0—G4
Specifications:1mm—60mm
主站蜘蛛池模板: 午夜福利免费0948视频| 无码一区二区三区免费| 在线精品国精品国产尤物| 久久久久久久极品内射| 最近2019中文字幕大全第二页| 国产成人av一区二区三区| 正在播放国产乱子伦最新视频| 高潮迭起av乳颜射后入| 2021精品亚洲中文字幕| 亚洲人成网址在线播放| 国产欧美亚洲精品第1页| 国产成人亚洲无吗淙合青草| 亚洲裸男gv网站| 成人无码一区二区三区网站| 欧美freesex黑人又粗又大 | 亚洲综合无码一区二区痴汉| 亚洲中文字幕第一页在线| 夫前人妻被灌醉侵犯在线| a欧美爰片久久毛片a片 | 国产欧美在线一区二区三| 中文天堂在线www| 少妇被粗大的猛烈进出视频| 国产在线精品一区二区中文| 久久国产加勒比精品无码| 黑人尾随强伦姧人妻爽翻天| 福利视频在线播放| 人人妻人人澡人人爽欧美一区双| 日本牲交大片无遮挡| 日本强伦姧人妻久久影片| 亚洲中文字幕无码爆乳app| 久久国产人妻一区二区免费 | 男女做性无遮挡免费视频| 国产国产精品人在线视| 性人久久网av| 丁香婷婷六月综合交清| 国产男女猛烈无遮挡a片软件| 欧美成人精品视频在线不卡| 国产成人精品一区二区秒拍| 精品国产aⅴ一区二区三区| 私人家庭影院5777| 亚洲一线二线三线品牌精华液久久久|