HiMedia is delivering a range of chemicals and reagents for use in the development of diagnostic lateral flow immunoassays. These chemicals and reagents have been tested for their physical, chemical and functional characteristics to improve the reliability of results. Paraffin liquid, heavy For Molecular Biology is a high viscosity mineral oil used to create a seal over aqueous reaction mixtures. This Heavy Paraffin provides superior Thermal Stability as an Evaporation Barrier for a standard PCR Overlay Molecular Diagnostic and high temperature incubation.