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14140 pp injection grade granules products are offered for sale by suppliers on Alibaba.com, of which pp accounts for 47%, hdpe accounts for 6%, and modified pp accounts for 1%. A wide variety of pp injection grade granules options are available to you, such as injection molding, injection grade and film grade.You can also choose from transparent, black and clear pp injection grade granules,As well as from granuel, powder pp injection grade granules, and whether pp injection grade granules is virgin polypropylene, virgin polypropelene, or polypropylene pellet.