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Foaming Properties
SKUM NFF 3x3 UL201 Foam Concentrate may be effectively applied using most conventional foam discharge equipment at the correct dilution with fresh, salt, or hard water.
Typical foam characteristics*
| Water | Fresh | Salt |
|---|---|---|
| Proportioning Rate | 3% | 3% |
| Expansion Ratio | > 7:1 | > 6:1 |
| 25% Drain Time (min:sec) | > 40:00 | > 35:00 |
| 50% Drain Time (min:sec) | > 60:00 | > 50:00 |
*per EN 1568-3:2008 protocol
Proportioning
The recommended operational temperature range for SKUM NFF 3x3 UL201 Foam Concentrate is 2 °C to 49 °C (35 °F to 120 °F) per UL 162. This foam concentrate can be correctly proportioned using most conventional, properly calibrated, in-line proportioning equipment such as:
- Balanced and in-line balanced pressure pump proportioners
- Balanced pressure bladder tanks and ratio flow controllers
- Around-the-pump type proportioners
- Fixed or portable in-line venturi type proportioners
- Handline nozzles with fixed eductor/pick-up tubes