沙伯基礎SABIC PBT VALOX 420SE0 優點：
1、機械性質安定抗張強度與抗張模數和尼龍相似；2、摩擦系數小有自潤性；
沙伯基礎SABIC PBT VALOX 420SE0 用途：
深圳科斯莫科技有限公司是 美國沙伯基礎 SABIC 在華南地區一級代理商，長期代理 美國沙伯基礎 SABIC 各型號塑膠原料，貨源穩定，價格實惠，歡迎新老客戶選購！
Mother was nearly always out. Meals were dull and dirty. The between-maid was sent away, and Aunt Emma came on a visit. Aunt Emma was much older than Mother. She was going abroad to be a governess. She was very busy getting her clothes ready, and they were very ugly, dingy clothes, and she had them always littering about, and the sewing-machine seemed to whir — on and on all day and most of the night. Aunt Emma believed in keeping children in their proper places. And they more than returned the compliment. Their idea of Aunt Emma’s proper place was anywhere where they were not. So they saw very little of her. They preferred the company of the servants, who were more amusing. Cook, if in a good temper, could sing comic songs, and the housemaid, if she happened not to be offended with you, could imitate a hen that has laid an egg, a bottle of champagne being opened, and could mew like two cats fighting. The servants never told the children what the bad news was that the gentlemen had brought to Father. But they kept hinting that they could tell a great deal if they chose — and this was not comfortable.
3、吸水率低；4、電氣性質優良；5、尺寸安定性良好；6、耐藥品性、耐油性極佳。
1、電子電器：無熔線斷電器、電磁開關、馳返變壓器、家電把手、連接器、外殼等；
2、汽車：車門把手、保險桿、分電盤蓋、擋泥板、導線護殼、輪圈蓋等；
3、工業零件：OA風扇、鍵盤、釣具卷線器、零件、燈罩等。
⒈優良的機械性能，機械強度高，耐疲勞性和尺寸穩定好。蠕變也小，這些性能在高溫條件下也極少有變化。
⒉生產PBT所消耗的能量是工程塑料中最低的的，這對于世界范圍內能源緊缺的情況下，具有十分重要的意義。
⒊耐熱老化性優異，增強后的UL溫度指數達到120~140℃，此外，戶外長期老化性也很好。
⒋耐溶劑好，無應力開裂。
⒌PBT易于阻燃，可達UL94V-0級，由于與阻燃劑親和性能好，所以容易開發反應型或添加型的阻燃品級。阻燃產品在電子電器工業中獲得廣泛應用。
⒍PBT遇水易分解，在高溫、高濕環境下使用需謹慎。
⒎優良的電氣性能，體積電阻率及介電強度高，耐電弧性優良，吸濕性極小，在潮濕及高溫環境下，也能保持電性能穩定，是制造電子、電器零件的理想材料。
⒏易成型加工和二次加工，易用普通設備注塑或擠塑。由于結晶速度快，流動性好，模具溫度也比其他工程材料要求低，在加工薄壁制件時僅需幾秒鐘，對大部件也只需40-60s即可。
PBT中文名稱聚對苯二甲酸丁酯，簡稱飽和聚酯，系高結晶性熱可塑性塑料。
特點：PBT為乳白色半透明到不透明、結晶型熱塑性聚酯。具有高耐熱性、韌性、耐疲勞性，自潤滑、低摩擦系數，耐候性、吸水率低，僅為0.1%，在潮濕環境中仍保持各種物性（包括電性能），電絕緣性，但介電損耗大。耐熱水、堿類、酸類、油類、但易受鹵化烴侵蝕，耐水解性差，低溫下可迅速結晶，成型性良好。PBT 結晶速度快，最適宜加工方法為注塑，其他方法還有擠出、吹塑、涂覆和各種二次加工成型，成型前需預干燥，水分含量要降至0.02%。PBT（增強、改性PBT）主要用于汽車、電子電器、工業機械和聚合物合金、共混工業。如作為汽車中的分配器、車體部件、點火器線圈骨架、絕緣蓋、排氣系統零部件、摩托車點火器、電子電器工業中如電視機的偏轉線圈，顯像管和電位器支架，伴音輸出變壓器骨架，適配器骨架，開關接插件、電風扇、電冰箱、洗衣機電機端蓋、軸套.