Magnesium metal turning is used in production of fine chemicals. It is used as a catalyst. Magnesium metal turning is used in production of fine chemicals. It is used as a catalyst. It is also used in grignard reaction. Purity: -99. 8% chip size: -0. 2mmx1. 5mm packing: -well air tight packed in paper fibre drums, each drum containing 25 kgs. Expiry date: -the material will work fine till 8 months if kept air tight. It will expire within 3 months if exposed to air. Moq :- 200 kg.