Vydyne 21SPF 是一種通用型未填充聚酰胺 66 （PA 66） 樹脂，具有更高的結晶溫度。它適用于注塑成型制造。它提供高強度和剛度，良好的韌性，高熔點，良好的表面潤滑性，奈磨性以及對許多化學品，機器和機油，溶劑和汽油的抵抗力。它允許生產具有良好初始顏色以及使用回收料時具有良好的性能和保色性的模制部件。Vydyne 21SPF 經過內部和外部潤滑，可改善機器進給和出色的脫模性。在許多應用中，可以縮短成型周期。它表現出快速的成型周期。它用于軸承、襯套、凸輪、連接器、電氣外殼、電氣/電子應用、緊固件、外殼和工業應用。

Vydyne 21SPF is a general purpose, unfilled polyamide 66 (PA 66) resin with an enhanced crystallization temperature. It is suitable for injection molding fabrication.It offers high strength & rigidity, good toughness, high melt point, good surface lubricity, abrasion resistance and resistance to many chemicals, machine & motor oils, solvents & gasoline.It permits production of molded parts with good initial color plus good property and color retention when using regrind.Vydyne 21SPF is internally and externally lubricated for improved machine feed and exceptional mold release. The molding cycle can be reduced in many applications.It exhibits fast molding cycle.It is used in bearings, bushings, cams, connectors, electrical housing, electrical/electronic applications, fasteners, housings and industrial applications.