ENVIROMASTER ALL B 1-6% is a class B firefighting foam proportioning from 1-6% for usage on all class B polar and non polar solvent class B type fires; ENVIROMASTER incorporates Sudo cling technology with in its foam capacity allowing the proportioned product to cling to the source, ENVIROMASTER all B can also be used for the containment of crude oil and fuel type spillages out in deep sea operations; ENVIROMASTER all B is used in all areas of the firefighting industry, Sudo cling technology is a development of Nowa Australia; ENVIROMASTER all B is the first 1-6% Class B variable proportioning firefighting foam in the world