Mining Foam Self-Expansion Polyurethane
Akfix Mining Foam is a one component polyurethane based product with nonflammable propellant. It is also suitable for multi-position applications. Specially developed for tamping applications in underground mining systems. Designed for easy dispensing through the straw adapter included with each can.
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- If the can is too cold/hot then the can should be brought to room temperature, e.g. by immersion in cold/warm water or leaving it in room temperature for at least 24 hours.
- Optimal can temperature is +20°C to +25°C.
- Put on protective gloves.
- Shake the can 20 – 30 seconds before every use.
- Screw the can onto the applicator.
- You may hold the can in any position for application and activate the foam by pressing the valve.
- Fill the half of the hole that explosive will be put.
- Put the explosive (dynamite etc.) in the hole while the foam is wet and wait for its expanding and curing.
- Moisturizing the surfaces and the foam improves adhesion and shortens curing time.
- Do not fill the entire gap.
- The foam will increase in volume.
- Tamping. Sealing of ventilation ducts. Sealing of hoppers (particulate collection containers).
