Technical Data Sheet Rheological additive D410R (Similar to BYK-410) Summary D410R is a liquid rheological additive suitable for medium polarity and solvent-free coating systems as well as room temperature curing resin systems. Additives produce highly thixotropic flow behavior, improving anti sagging and anti settling performance. This additive can also be added later. Physical Property Appearance: Yellow to brown liquid Density (25 ℃): 1.02-1.12 g/cm3 Viscosity (25 ℃): 300