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3M Products 08578 Strip-Calk, 1 ft L Box, Paste, Black, 1.92, Paintable (Y/N): Yes

08578 Strip-Calk, 1 ft L Box, Paste, Black, 1.92, Paintable (Y/N): Yes

by 3M Products
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Our 3M™ Strip-Calk is a soft butyl rubber caulking material that quickly and permanently fills all types of seams, joints and openings - long-lasting auto body maintenance and repair in much less time. Simply thumb 1 ft lengths into place without spraying or tools, and smooth it with a finger. Strip-Calk is paintable…

Why Pros Choose 3M Products MMM

  • Permanently pliable material is ready to use for seams, joints and gaps
  • Won't shrink or become brittle, ensuring seals and greatly reducing rework
  • Fast, no-mess application - thumbs into place and smooths with a finger
  • Can be painted immediately, maximizing shop time
  • High temperature resistance for a broader variety of uses
  • Has non-sag consistency for vertical and overhead applications
  • Completely waterproof

How to Use

For joint filling, trunk seams, voids and gaps

Specifications

Technical specifications for 3M™ 08578 Strip-Calk, 1 ft L Box, Paste, Black, 1.92, Paintable (Y/N): Yes
Part No. 8578
Product Line MMM
MFR Model 08578
Standard/Approvals California PROP65 Warning: Cancer and Reproductive Harm | OSHA 29 CFR 1910.1200
Application For joint filling, trunk seams, voids and gaps
Manufacturer 3M Products
Alternate Part Number-1 60980019552
UPC 051135085783
Brand 3M™
Composition 15 to 40% Kaolin, 20 to 40% Oxide Glass Chemicals, 10 to 30% Polybutylene , 5 to 10% Polyisobutylene, <6% Aluminum Silicate, 1 to 5% Limestone, 0.5 to 1.5% Aluminum Stearate, <1.5% Mica-Group Minerals, <1.5% Quartz Silica, 0.5 to 1.5% Silica, 0.1 to 1% Thiobis, 0.1 to 1% Rheological Additive, <0.5% Carbon Black, <0.05 Chromium
Paintable (Y/N) Yes
Specific Gravity 1.92
Color Black
Container Type Box
Form Paste

About 3M Products

3M Products is a trusted manufacturer of professional auto body and refinish products used by collision repair shops and restoration specialists across North America.

Frequently Asked Questions

How fast does autofxmart ship 3M Products MMM?

Most in-stock orders for 3M Products 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 Products product genuine?

Yes. autofxmart is an authorized distributor of 3M Products products. Every unit is factory-fresh, sealed, and backed by the manufacturer's standard warranty. If you have a concern, contact support@autofxmart.com and we will make it right.

What is the manufacturer part number (MPN) for 3M Products MMM?

The MPN for 3M Products MMM is 8578. Use this number when cross-referencing against TDS, SDS, or legacy supplier catalogs.

Documents & Safety

DANGER: This product contains hazardous materials that can cause serious health effects including cancer, reproductive harm, and respiratory damage. Required safety equipment includes chemical-resistant gloves, protective clothing, and appropriate respirator. Can cause severe eye and skin damage on contact. May be harmful if inhaled or swallowed. Use only in well-ventilated areas and avoid skin and eye contact. 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 support@autofxmart.com.