Darvan 7 Deflocculant
Item Class Raw Materials
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Shop with complete confidence knowing that every order is fully insured from our warehouse to your doorstep. We protect your investment against damage, loss, or theft during transit—at no additional cost to you. Experience worry-free shopping and the assurance that your valuable purchases will arrive safely or be promptly replaced.
You must test before you use it, at any scale. Raw materials, mined or man-made, are not consistent. Color, strength, particle size and chemistry can change from one bag to the next and from one supplier to another, even when the name on the bag stays the same. Before you use this material in a glaze, slip or clay body of any size, mix a small test batch, fire it on your own clay in your own kiln, and check the results.
DARVAN 7: PINT:
Davan 7:
Used as a deflocculant .
There is a great explanation of it at Tony Hansen's Ceramics Materials site:
He says:
"Darvan No. 7 is a high molecular weight, long chain polymer that has been used successfully as a general purpose dispersing agent for both ceramic bodies and glazes."
Quantity discounts are available up to 5 Gallon: Please call us toll free for pricing: 888.774-2529
DARVAN® 7-N
October 25, 2005RTV Product Code: 14395
Composition: Sodium polymethacrylate aqueous solution
Physical State: Water-white liquid
Specification Test Method
*pH, 5% Solution 9.0-11.5 T-19
*Specific Gravity 1.13-1.17 T-9A
*Total Solids 24.0-26.0% T-2B
*Viscosity at 25C, Brookfield, 75 cps maximum T-60
LVF, #1 spindle at 60 rpm
GENERAL INFORMATION
Typical values not routinely measured or reported on the Certificate of Analysis.
Foaming Very Slight
Stability Stable over a wide pH range
Solubility - Very soluble in aqueous systems.
*Certified Property
Uses - For NR and SR latexes. Non-discoloring dispersing agent for preparing high solids dispersions.
DARVAN is a registered trademark of R.T. Vanderbilt Company, Inc.
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