Primer 49 is a single-component, non-CFC, solvent-based activator designed to accelerate the cure speed of Hernon® anaerobic adhesives and sealants, particularly on passive metals, inert surfaces, or in large bond gaps and temperatures below 15°C. It is a yellow liquid with a specific gravity of 0.80 at 25°C, low viscosity, and a drying time of 30 to 70 seconds. The product is classified as highly flammable, contains acetone and isopropanol, and meets MIL-S-22473E (Grade T) and ASTM D5363 (Grade T). It is applied by spray or brush and requires solvent evaporation before adhesive application. On-part life is ≤7 days, and storage is recommended between 7°C and 29°C. Do not use in pure oxygen or with strong oxidizers.
Primer 49 is a single component, non-CFC solvent based product designed to promote the cure speed of Hernon® anaerobic adhesives and sealants. Primer 49 is used where increased cure speed of Hernon® anaerobic adhesives and sealants is required. It is especially recommended for applications with passive metals or inert surfaces and with large bond gaps. It is particularly recommended for cure conditions below 15°C. Primer 49 meets the requirements of MIL-S-22473E (Grade T) and ASTM D5363 (Grade T).
| Hernon Manufacturing, Inc. | |
|---|---|
| Product Category | Cleaning Agents and Surface Treatments |
| Product Number | 304907 |
| Product Name | Formulations - Applications - Activators - Primer 49 |
| Type | Surface Treatment |
