Food Additives Glucono-Delta-Lactone Gdl White Crystalline Powder 90-80-2 Factory Price. Multiple Grade Options: Available in food grade, medical grade, and injection grade with varying indexes. High Purity Content: Active substance content exceeds 90% ensuring high quality. Comprehensive Certifications: Meets BP2010, USP34, FCC(IV), CP2005, and GB15571-2010 standards. SGS Certified Supplier: Verified by SGS as a reliable Chinese chemical supplier. Customization Services: Offers customized products and application programs based on requirements. Long Shelf Life: Product shelf time is 3 years when stored properly. Global Export Experience: Exports to over 30 countries including USA, Germany, and Australia. Fast Delivery: Peak and off-peak season lead times are within 15 workdays.