3M 8578 Strip-Calk 1 ft Box Black Paste

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3M 8578 Strip-Calk 1 ft Box Black Paste

3M 8578 Strip-Calk 1 ft Box Black Paste

Original price was: $30.16.Current price is: $20.66.

78 in stock

SKU: MMM.8578.BX Category:

Description

Overview

Built for the job.

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 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

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

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 8578. Use this number when cross-referencing against TDS, SDS, or legacy supplier catalogs.

Documents & Safety

  • Safety Data Sheet (SDS)
  • 3m_08984_catalog.pdf

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 [email protected].

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