純聚四氟乙烯線和石墨四氟線
本品具有較高的PV值和很廣泛的耐溫性，用來密封所有介持和泵軸和閥桿，是一種性能穩定使用周期長的盤極。根據介質特殊的需要，也可加放充真劑，改善某些特性，如導熱，耐磨，強度等。
It is noe kind of high-qulity knot with fine lubrication, high PV value,good heat resistance and long service life, applicable to pump axle and valve shatr of all medium. Also can improve some properties of thermal conductivity .wear-resistance .
可供規格：3mm x 3mm ~60mm x 60mm