Ready to use Denim Jeans Washing Enzyme For Abrasion Fabric Neutral Cellulase High contrast Product Description Stonezyme SF is formulated with new generation neutral cellulases, complex buffer chemicals and anti-stain agents. Designed for fast abrasion performance and with acceptable grain and stain. Superb wide operating temperature and pH range, capable to perform at 30 – 35 degree C. Stonezyme SF can achieve washing without pumice stone or reduce dramatically the amount