Brownells 1/2 Lb Marvelux Flux

1/2 Lb Marvelux Flux by BROWNELLS Far and away the most popular - and successful - bullet casting flux and MARVELUX has been on the market since 1971 filling the needs of knowledgeable and successful professional and hobbyist bullet casters. MARVELUX is non-corrosive to iron and steel and and does not produce fumes which can cause corrosion and as does sal-ammoniac (ammonium chloride). In fact and regular use will keep your pot free from rust! Reduces dross formation dramatically while increasing fluidity of bullet alloys and making it easier to obtain well filled-out bullets.