1. What Is UL94?
UL94 is the most widely referenced plastics flammability standard globally, developed by Underwriters Laboratories.
2. UL94 Rating Comparison
| Rating | Afterflame Time | Drips Ignite Cotton? |
|---|---|---|
| V-0 | ≤ 10 seconds | No |
| V-1 | ≤ 30 seconds | No |
| V-2 | ≤ 30 seconds | Allowed |
| HB | Slow horizontal burn | N/A |
Cableties MFG FR-200 achieves UL94 V-0: self-extinguishing within 10 seconds, no igniting drips.
3. FR vs Standard Ties
| Property | Standard | FR V-0 |
|---|---|---|
| Fire reaction | Continues burning | Self-extinguishes |
| Molten drips | Can ignite | None/non-igniting |
| Strength | Standard | 80-90% of standard |
| Cost premium | Baseline | +20-30% |
4. Required Applications
- Electrical panels and control cabinets
- Rail transit vehicles (EN 45545)
- Data centers
- Fire safety equipment
- Nuclear/power plants
Note: FR additives reduce strength by 10-20%. Go up one size to compensate.
Recommended: