680-LS has a special thickener added so it "slumps" or flows much less than other alginates. This property makes it ideal for layup molds like faces, heads and torsos. Spend less time "chasing" the alginate and more time concentrating on the job. Less waste too.

You generally need about half the alginate you normally use to complete a project because so little of it is wasted. 

If you would like to purchase more than 25 pounds, please call 1-866-618-8461 (U.S. & Canada)