3M AC78

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Description for 3M AC78

Cyanoacrylate primer, helps to bind elastomeric materials including silicone.

Application Type	Prime
1 Part or 2 Part	1-Part
Material Form	Liquid
Substrate	Silicone
Manufacturer	3M
Chemistry	Heptane
Viscosity (cPs)	<5.00
Color	Colorless

Best Practices for 3M AC78

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Technical Data for 3M AC78

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Overview

Application Type
- Primer - Prime
1 Part or 2 Part
- 1-Part
Material Form
- Liquid
Substrate
- Silicone
- Other - Elastomeric Substrates, Bind Elastomeric Materials
Chemistry
- Solvent-Based - Heptane
Cure Method
- None
Color
- Clear / Transparent - Colorless

Specifications

Cure Specs

Viscosity (cPs)	<5.00

Other Properties

Specific Gravity	0.680

Business Information

Shelf Life Details	Storage: Store product in cool, dry area out of direct sunlight.;3M™ Scotch-Weld™ Instant Adhesive Activators, Primers, and Debonder can be expected to have a shelf life of one year from the date of shipment from 3M.
Shelf Life Type	From the date of shipment
Shelf Life (mon)	12

Not Good For

Don't Use With	especially some plastics

Best Practices for 3M AC78

*See Terms of Use Below
1. Surface Preparation
  
  Prepare bonding surfaces according to Surface Preparation recommendations for the cyanoacrylate that will be used.
2. Application
  
  Apply primer to all difficult-to-bond plastic surfaces
  
  Allow solvent to dry completely.
  
  Promptly bond with a Scotch-Weld™ cyanoacrylate for plastic or elastomeric bonding.
3. Testing
  
  These products should be tested on substrates before use since their overspray or excess may attack certain substrates (especially some plastics) causing unsightly effects.
Comparable Materials for 3M AC78

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Spec Engine^® Results
- Loctite SF 7701(Henkel)
  Used to make polyolefin and other low energy surfaces suitable for bonding with Loctite cyanoacrylate adhesives.
- Loctite 793(Henkel)
  Used to make polyolefin and other low energy surfaces suitable for bonding with Loctite cyanoacrylate adhesives. Only recommended for difficult to bond substrates.
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- Single Step Primer(3M)
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