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A304 | 4-META adhesion promoter Additive


Main features
  • Dental Applications
  • Adhesion promoter
  • Methacryloxyethyl trimellitic anhydride

Product Description

A-304 is a 4-META (Methacryloxyethyl trimellitic anhydride) that contains contains two functional groups facilitating a bridge between tooth and adhesives. Research has found that methacrylates with both hydrophobic and hydrophilic groups, like 4-META, enhance monomer penetration into dentin pretreated with 10% citric acid and 3% ferric chloride (10-3). Examinations revealed the formation of a transitional zone of resin-reinforced dentin, termed the hybrid layer. 

A-304 is a white powder/crystal reactive primer recommended for use in dental applications. It is not listed in the TSCA list.

Product Family
A304  
50gr Jar

Catalog Product

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Technical Specifications

General Properties
Appearance
Appearance
Appearance at room temperature.
White powder
Molecular weight 304.25 daltons
Thermal Properties
Melting Temperature
Melting temperature 90 °C