3M™ Glass Bubbles S 22 olive This wax shell is then

This wax shell is then used as a pattern in the investment shell casting process

as it's not the smallest)

normal to close spacing

30 Second Pot Life - can be poured in alginate molds

Hair highlights

3M™ Glass Bubbles S 22 olive This wax shell is thenhollow glass microspheres, average grain size 29 , largest bubbles 53 Especially for colorants and stuccos. Glass Bubbles are made of borosilicate glass with low alkali content, so they can be mixed with cement. They have an average volume of 8 l kg, making them an economical solution for the application of light loads. At 125 gr. of ground glass per liter of mortar, the specific gravity of the mortar can be divided by two. This ground glass is an