ResinLab Armstrong™ Epoxy Resin Adhesive C-7 with Activator W is a two component, medium viscosity epoxy that is used to bond glass, thermoplastics, concrete, ceramics, rubber, and metals. It has the ability to have a flexible or rigid bond depending on the mix ratio. C7: 53 g Tube, Activator W: 47 g Tube. 100 g C-Kit.
Armstrong™ is a trademark of Henkel and its affiliates in the US and elsewhere, and used under license. Product manufactured under license from Henkel.
| Typical Use: | General purpose epoxy, varying flexibility. | 
| Brand: | Armstrong | 
| Chemical Composition: | C-7: Epoxy resin; Activator W: Polyamide resin | 
| Color: | Clear | 
| Components: | 2 part | 
| Cure System: | Room Temperature/Heat | 
| Cure Time: | 7d @ room temperature; 2h @ 73.8 °C | 
| Elongation: | 1:1: 6.3%; 2:3: 11.1% to 16.4% | 
| Flash Point: | C-7: 248.8 °C; Activator W: >260 °C | 
| Hardness: | 70:30: 65 to 70 | 
| Key Specifications: | W- Navy Specs. XWS15351 and WS 09125C | 
| Mix Ratio: | 1:1; 2:3; 70:30 | 
| Specific Gravity: | C-7: 1.14 to 1.18; Activator W: 0.96 | 
| Viscosity: | 1:1: 21,000 @ 25 °C; 2:3: 23,000 @ 25 °C | 
| Working Time: | 90min @ 25 °C |