Can I identify recycled glass at the time of purchasing? 08 March 2022 12:58 Updated No: during melting, the slag (waste) of glass is transformed into new glass. Related articles How much recycled glass is in packaging? How to find products? Can I fill my glass containers with hot products? Is there a minimum purchase? What are packs and pallets? Should I clean the container before filling it? Comments 0 comments Please sign in to leave a comment.