Pottery Making Materials | Finished Ceramics | Clay Classes

Darvan 7 - 16oz

$6.75

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 high iron content clay, while Darvan 811 can be used for stoneware, high fire slips and red low fire slips.

16 in stock

Darvan 7 - 16oz

16 in stock

Categories ,

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 high iron content clay, while Darvan 811 can be used for stoneware, high fire slips and red low fire slips.

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.

Reviews

There are no reviews yet.

Only logged in customers who have purchased this product may leave a review.

Related Products

Subscribe to our newsletter

Subscribe to the Garage Clay newsletter to get updates on Garage Clay, reviews of our products, tips on working with clay, and exclusive sales right in your inbox.

We keep your data private and share your data only with third parties that make this service possible. See our Privacy Policy for more information.

Garage Clay FAQ

Add items to your bag:
  1. Browse the categories across the top navigation bar which includes Clay, Glaze, Tools, + more.
  2. Once you have found an item to purchase, select your preferred color, size (if applicable) and the quantity you wish to purchase then simply click ‘ADD TO CART’.
  3. You can then continue shopping or click ‘CHECKOUT’ to review the items in your bag and to finalize your order.
  4. During checkout choose SHIPPING or LOCAL PICK UP.
  5. If you are local, we will contact you after your order is placed to arrange warehouse pickup or delivery.

We are happy to help you with delivery in the Gallatin Valley. An extra charge is applied depending on item weight and distance from our location. Please email or call us to arrange. 

As a distributor, Garage Clay stands behind our items that we sell to our customers. We are also fortunate to have the support of our suppliers. Besides normal wear and tear, many of our products have a warranty. Please contact us if you are dissatisfied with any of your products and we are happy to help!