AAR Composites ATR-1000 Part B White Hardener 4 oz Tube
ATR-1000 Part B Hardener is one part of the ATR1000 A/B filling and fairing compound. When mixed with ATR-1000 Part A Resin (sold separately), it forms a lightweight, flame retardant system ideally suited for repair and sufracing of interior-use composites requiring strict aerospace standards. It is a thixotropic paste with a smooth and creamy consistency that resists sad and bleed-out during application.
Technical Information
- UN Number UN3108 CL5.2
- Product Type Hardener
- Product Form Paste

Product Information
The ATR-1000 A/B compound is sandable, paintable, and accepts bonding adhesives for veneers and inlays. It has high chemical resistance and withstands common cleaning solutions used in routine maintenance. It will bond to many types of composites including fiberglass, sheet and bulk molding compounds, carbon fiber, and aramid fiber composites.
Data Sheets
Product Properties
Shipping Information
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