SCJ Group Of Industries offers Masterbatches for Dope Dying of Polypropylene Yarn. SCJ Group Of Industries is an ISO 9001:2000 certified company. Masterbatches for Dope Dying of Polypropylene Yarn exhibit excellent spinning and filter performance with light fastness properties suitable to varied spinning plants. These masterbatches are available as single pigment concentrate [mono] and ready to use compounded masterbatch.