Polyurethane or Non-latex condoms are made of water based polyurethane material. No latex means no casein! And polyurethane condom’s ingredients as followings: Raw material Quantitative (1piece condom) Function Waterborne polyurethane film 52.92% Raw material for condom White carbon black 0.92% an external isolating agent is to prevent sheath adhesion and facilitate opening.   Positive soap 0.01% homogenizer is to facilitate …