ULTRALUBE® GA 1842 is a fine particle size wax dispersion used to improve surface quality. Available as an aqueous dispersion of HDPE wax. ULTRALUBE GA 1042 · APEO-free · Base: HDPE · Improves scratch resistance · Formaldehyde-free · Suitable for food contact applications. ULTRALUBE® GA 1042 is a fine particle size wax dispersion used to improve surface quality. It is a slightly yellowish and slightly hazy liquid.