Have you been working on the development of more environmentally friendly alternatives for wood preservation? Key characteristics of the successful technology: - Can guarantee a long-term protection against fungi and other organisms that attack the wood - Contains non –toxic chemicals for the environment and safe to handle (contains no biocides or heavy metals) - Ideally, offers flame retardant property - Preferably, water based type preservatives - Can be applied by various ways such as immersion methods or pressure treatment techniques - Industrial scale-up demonstrated
I'm afraid not, though I have heard of "tung oil". There is a list of natural preservatives in this Wiki article, but no doubt you've already seen it: http://en.wikipedia.org/wiki/Wood_preservation
