Flame Retardant Agent for textiles price inquiry from Denmark

We are looking for a Flame retardant agent for Wool 100%, PET 100% fabric with following specification:
1) Nontoxic
2) Eco-friendly
3) Halogen, Bromide, Antimony and Zirconium free
4) permanent durable and wash resistance which can make a covalent bond with fabric
5) can be used in the last finish treatment on the fabric by a exhaustion method or so on (we don’t want to do a back coating)
6) does not effect on the visual appearance, physical properties and color of fabric
Could it be pos