What is it? 
BIS-GMA is a common methacrylic monomer, a combination of Bisphenol A and glycidyl methacrylate (epoxy resin).

How do I avoid it? 
You should avoid any contact with this substance. Avoidance requires reading labels, package inserts, Material Safety Data Sheets (MSDS), and, on occasion, direct communication with the manufacturer.

This material can penetrate most latex & vinyl gloves.  Polyethylene & nitrile gloves give better protection.  Because this material is a strong sensitizer and quickly penetrates most gloves, persons handling this material should use a “no-touch” technique.

Uses:
  • Dental composite materials
  • Dental bonding agent
  • Extensive use in industrial applications
  • Sealant material

Other names for BIS-GMA: 
  • 2,2-bis(4-(2-Hydroxy-3-methacryloxypropoxy) phenylpropane
  • bisphenol A diglycidyl methacrylate

Potential cross-reacting/co-reacting substances: 
  • Other acrylates

How safe is it?

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