The preparation on process of powdered nitrile rubber(PNBR) by coagulation,its product specifications and applications were introduced.Its application market and economic benifit were also evaluated.

• 介绍了新研制开发的凝聚法制备粉末丁腈橡胶（PNBR）的工艺流程、产品规格和用途。并对推广应用前景和经济效益进行了评价。