Description

Darvan 7 is a deflocculant that is similar to sodium silicate. However, unlike sodium silicate, Darvan 7 does not erode plaster molds. As a deflocculant, Darvan 7 weakens the electrical attraction between clay particles and thus acts as a thinning agent in slips and as a general dispersing agent for clay bodies and glazes. It is mainly used to enhance the fluidity of casting slips and maintain or slow the shrinkage rate. Darvan 7 is typically preferred with porcelains and white clays, while Darvan 811 can be used for stoneware, highfire- and red low fire slips with high iron content. Darvan will be damaged if frozen. 473 ml.

Information

Slips that are prepared with Darvan 7 show little tendency to thicken on standing, which is why it is often used in glazes. Darvan 7 can also be added to joining slip, which is ideal because it allows one to use less water and results in less shrinkage at attachment points.

Safety

H317 may cause an allergic skin reaction

H319 may cause serious eye irritation

H335 may cause respiratory irritation