3M™ Scotch-Weld™ Void Filling Compound EC-3515 B/A FR is a two-part flame-retardant epoxy that can be stored, applied, and cured at room temperature. 3M™ Scotch-Weld™EC-3515 B/A FR has been designed for void filling, edge sealing, and for abradable compound applications. It is available in either blue or black color when mixed and fully cured.
Key advantages are:
- Cures to a strong, low-density material within 48 hours at 75 °F (24 °C).
- Designed to meet the flammability requirements of 14 CFR / CS 25.853 (a).
- 100 % solids.
- The compound has thixotropic properties for ease of application.
- Base is either blue or black in color, accelerator is white. Very easy to visually determine when the product is uniformly mixed.
- Provides localized stiffness for honeycomb.
- Seals and provides impact resistance to honeycomb panels edges.
