3M 08578 (Strip-Calk Black)

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Description for 3M 08578 (Strip-Calk Black)

A soft, non-hardening butyl rubber material. It is used as a thumb-grade seam sealer for filling in joints, seams, voids and gaps.

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Application Type	Bond
1 Part or 2 Part	1 Part
Material Form	Putty
Substrate	Aluminum, Glass, Bare Metal, Primed Metal
Industry	other non-visible automotive seams, gaps, and joints, engine compartments seams
Manufacturer	3M
Chemistry	Butyl rubber, Solvent-free, Synthetic rubber
Cure Method	Pressure Snesitive
Color	Black
High Temperature Resistance (°C)	Excellent high temperature resistance, 93
Low Temperature Resistance (°C)	-29
Density (g/cm³)	16.0 Appx. (Lbs/Gallon)

Best Practices for 3M 08578 (Strip-Calk Black)

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Technical Data for 3M 08578 (Strip-Calk Black)

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Overview

Application Type
- Adhesive - Bond
1 Part or 2 Part
- 1 Part or 2 Part - 1 Part
Material Form
- Putty
Substrate
- Glass
- Metal - Bare Metal, Primed Metal
- Aluminum
Industry
- Automotive - other non-visible automotive seams, gaps, and joints
- Engine - engine compartments seams
- Other - for filling in joints, seams, voids, gaps, firewall, in areas requiring resistance to high temperatures
Chemistry
- Synthetic Rubber
- Butyl - Butyl rubber
- Solvent-Free
Cure Method
- Pressure Sensitive (min) - Pressure Snesitive
Color
- Black

Specifications

Material Resistance

High Temperature Resistance (°C)	Excellent high temperature resistance, 93
Low Temperature Resistance (°C)	-29

Other Properties

% Solids (%)	100	Test Method
Density (g/cm³)	16.0 Appx. (Lbs/Gallon)

Business Information

Shelf Life Details	Storage and Handling: Store at room temperature. Rotate stock on a "first-in-first-out" basis.;When stored at the recommended conditions in original, unopened containers, this product has a shelf life of 12 months.
Shelf Life Temperature (°F)	77
Shelf Life (mon)	12

Best Practices for 3M 08578 (Strip-Calk Black)

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1. Application
  
  Always apply over automotive primer whenever possible. Applying product to bare metal will not provide additional corrosion protection Acid etching primer is not recommended, if used, be sure to allow to fully cure before applying seam sealer, as residual acid can weaken the bond.
  
  If necessary, clean and dry surface with 3M™ General Purpose Adhesive Cleaner, PN 08984. Do not use an adhesive cleaner until the primer has fully cured.
  
  Press bead of 3M™ Strip Caulk into area to be sealed smooth with finger or putty knife. For large openings, press several beads together.
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