Manufacturer’s marketing information may not be sufficient to select the right material and, anyway, are not enough to comply with the fire preventing regulations.
It’s necessary a valid fire report or assessment report, issued by accredited fire test laboratory against the local requirements. The most popular fire test and classification standards are: EN 13501-x in Europe, BS 476 or ASTM/UL in USA. In Europe, for products under a harmonized standard, so with CE marking for a specific intended use, it’s also necessary the Declaration of Performance (DoP).
In some country, specific third-party approvals are needed.