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Coating composition and flame retardant (FR) performances of PET fabrics treated with waterborne polyurethane (PU)-FR coatings [39].
| Coating components | Horizontal flame test | UL94 rating | LOI [%] |
|---|---|---|---|
| Untreated PET | Melt dripping | N.C. * | 18.5 |
| PU/Fyrol-6 + OP550 | No melt dripping, self-extinguishment | V0 | 25.2 |
| PU/ODDP + OP550 | 26.1 | ||
| PU/Fyrol-6/ ODDP + OP550 | 26.9 |
* Not Classifiable.
