Kromopan 100 - Alginate by Lascod SKU 956-0651AA 123 $7.99 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Kromopan 1 Lb. Pouch. Color Changing Alginate, Dust Free. With the chromatic phase indicator you visually control the different working phases. Stable hydrocolloid class A alginate. Keeps its shape up to 100 hours. Thixotropic. Fast set, in-mouth setting time is about 30 seconds.