Carbon black, sbr 1502, polycarbonate.
Lithium carbonate li2co3 mm 98.5%.
Lithium carbonate technical grade above 98.5%, min. 300 mt/month, copper, nickel, manganese.
Fasteners include carbon steel and stainless steel (a2, a4, a8), such as timber screw, roofing screw, drilling screw, chipboard screw.