Primer Moisturecuring Epoxy Coal Tar Pitch Anticor

GH-750 Moisturecuring Epoxy Coal Tar Pitch Anticorrosive Primers Operative norm: HG/T 2884-97 Characteristics:When the air humidity reached 94%, it can still firmed be film, and physical,chemical property unchangeable, dry quickly, excellent adhesion with steel surface after abrasive blasting, abrasion and attack resistance property, perfect acid-base corrosion resistance property. Uses: Mainly use for anticorrosion of buried pipeline,flue pipe inside and offshore platform,cabin,ballast tank etc. in high humidity environment. Technical target Mixing ratio: Host crystal/Firming agent=10/1 (by weight) Standard film thickness: Dry: 125μm/coat Academic spreading rate: 0.28kg/ m2/ 125μm Solid contents:72% Humidity requirement: below 94% Drying time & Coating interval Temperature°C Dry to touch min Dry semi-hard hrs Min. interval hrs Max. interval d -10 0 10 20 30 4 3 2.5 2 1.5 36 24 18 12 10 36 24 18 12 10 Substrate treatment Remove rust,oxide skin by abrasive blasting, reached ISO Sa2.5 grade, or remove loose oxide skin by electric tools, reached St3 grade. Matching Applicable substrate: Unpainted steel