Mineral Silicate Primer
A water based mineral silicate primer specifically for use with Porter's Mineral Paint, particularly when a surface has been patched, repaired or has varying degrees of porosity. Mineral Silicate primer is also sometimes specified as a primer for new interior set plaster prior to undercoating. This product contains 10g/L VOC. The APAS target level for this product is 70g/L. (APAS is the Australian Paint Approval Scheme).