The researchers showed that after 12 weeks of biological tests the wood impregnated using the autoclave method lost 30% of its mass, against just 5% for wood which was axially impregnated. ###>Après 12 semaines de test biologique, les chercheurs ont ainsi montré que le bois passé en autoclave perdait jusqu'à 30% desa masse tandis que celui imprégné «axialement» ne perdait que 5%.