3M™ Weld-Thru II is a convenient aerosol coating designed to prevent corrosion between welded metal surfaces. Featuring a zinc base that draws corrosion away from bare metals, it helps prevent costly comebacks due to corrosion at welds. Spray coating applies fast, resists weld spatter common to some weldable primers… Why Pros Choose 3M MMM Protects bare metal panels and parts from corrosion after welding Zinc base draws away contact corrosion, leaving substrates strong Convenient aerosol spray application Dries in as little as 5 min before MIG welding for efficient throughput Formulated for minimum weld spatter, helping prevent shop damage Compatibility Compatible substrates: Bare Metal. Specifications Technical specifications for 3M™ 05917 Weld-Through II Coating, 12.75 oz, Gray, 528 sq-ft Coverage Part No. 5917 Product Line MMM MFR Model 05917 Standard/Approvals ASTM B117 | California PROP65 Warning: Cancer Manufacturer 3M Products Alternate Part Number-1 60980107779 UPC 051131059177 Brand 3M™ Maximum Sale Quantity 6 Maximum Sale Day 7 Color Gray Container Size (oz) 12.75 Coverage (sq-ft) 528 About 3M 3M is a global leader in abrasives, masking, and body repair products. Trusted by OEM collision centers for high-performance prep and finishing solutions. Frequently Asked Questions What surfaces can 3M MMM be used on?3M MMM is compatible with Bare Metal. Always ensure the surface is properly cleaned, degreased, and sanded before application to achieve the strongest adhesion and a professional finish. What size does 3M MMM come in?This listing ships 3M MMM in a 12.75 (CN) container. Check the autofxmart catalog for other sizes and bulk pricing. How fast does autofxmart ship 3M MMM?Most in-stock orders for 3M MMM ship the same or next business day from our US warehouse. Expedited options are available at checkout. Freight-class items may require an additional 1–2 days for carrier pickup. Is this 3M product genuine?Yes. autofxmart is an authorized distributor of 3M products. Every unit is factory-fresh, sealed, and backed by the manufacturer's standard warranty. If you have a concern, contact [email protected] and we will make it right. What is the manufacturer part number (MPN) for 3M MMM?The MPN for 3M MMM is 5917. Use this number when cross-referencing against TDS, SDS, or legacy supplier catalogs. Documents & Safety Safety Data Sheet (SDS) 3m_08307_catalog.pdf 3m_05917_specification_sheet.pdf Signal Word: Danger Required PPE: Eye protection, protective clothing, and respirator. This product is flammable and contains materials that may cause eye damage, skin irritation, and serious health effects including potential cancer risk and organ damage with prolonged exposure. Use only in well-ventilated areas and avoid inhalation of dust or mist. Always refer to the full SDS before use. Why Buy from autofxmart Authorized distributor — authentic, factory-fresh stock. Fast US shipping — most orders ship within 1 business day. 30-day returns — buy with confidence. Pro-shop pricing — bulk discounts available on request. Expert support — questions? Email us at [email protected].