We Manufacture Phenolic Resin For Refractory Material,Foundry(Coated Sand),Brake Pad And Lining Thermosetting Liquid ... and it’s pure phenol and formaldehyde resin,use for producing refractory material(magnesium carbon brick,aluminum magnesium carbon brick, stopper rod ... carbon quantity,which can improve corrosion-resistant capability of refractory product under high temperatute. Don’t need to add ...