EC-5450 1K Primer SurfacerFast drying, easy sanding, one pack primer surfacer, easy to use, strong filling power, excellent coverage, suitable to cover minor defects of the paint film. Substrate: Dried and sanded existing finishes and putty Surface Cleaning: Remove wax, grease or other contaminations with degreaser. Mixing Ratio: EC-5450 1K Primer Surfacer: M-1 Thinner= 1: 0.8-1.0 No. of Coats: 2-3 coats, 30-50um Flash-off Time: 5-10 minutes at 25°C Spray Guns & Pressure Gravity Feed 1.4-1.6mm 3-5kg/cm2 Siphon Feed 1.7-1.8mm 3-5kg/cm2 Dry Time: 30 minutes at 25°C Sanding: Dry sanding with P400-P600 or wet sanding with P800-P1000 Re-coat: After drying and sanding, re-coat with all kinds of topcoat Shelf Life: 2 years in original sealed can at cool and dry place at 20°C Packaging: 4kg Note: 1. Not suitable for direct application over bare metals & wood. 2. It is recommended for spot repair but not for large area applying. 3. It is recommended to sue 2K primer surfacer to achieve good adhesion and strong corrosion resistance. Auto Paint-Plastic Primer-auto paint EC-1K plastic primer: 1) Single-component primer,to promote adhesion of paint system to plastic substract 2) Fast drying 3) Transparent 4) Substrates: PE, PP, PA, etc.