- Chemical Composition: Medium Aliphatic Hydrocarbon Solvent, Acetone, Quartz, Zinc Oxide, Carbon Black
- Country of Origin: US
- Coverage: 457 sq-ft/gal
- Form: Liquid
- Manufacturer Name: The Sherwin-Williams Company
- Viscosity: <20.5 cSt
- VOC Content: 247 g/L
- Type: Oil Based
- Container Type: Pail
- Container Size: 1 gal
- Color: Black
Weld-Thru primer is a high solids, low VOC, rust inhibitive primer used for shop priming structural steel where severe or extended exposure puts unusual demands on the shop applied primer.
- Application
- Item Features
- Standards
For use on structural steel
- Primer is designed to eliminate the corrosion that forms between welded substrates
- It has excellent adhesion and provides conductive properties that minimizes heat thus reducing distortion and welding splatter
- Can be applied to iron and steel
- 3 hr drying time
- 1.63 specific gravity
- 132 - 395 deg F boiling range
- 89 deg F flash point
- May be welded through with no effect on the weld's integrity
- An excellent choice when harsh environments put heavy performance demands on a shop-applied primer
- Weld-thru primer is a rust inhibitive product designed for shop priming structural stee
ANSI/ASTM Certified|OSHA 29 CFR 1910.1200|NIOSH/MSHA Approved