Brinell Hardness scale 4-5. You will also receive a sheet with a FREE download link for a casting calculator with room for 17 extra of your own blends,savable, to make you own blends. Author is bump628 in excel format. Free info on how to open if you need a program. FREE links to casting websites.
Legal Prop 65 California
California proposition 65 requires businesses to provide warnings to Californians about significant exposure to chemicals that cause cancer, birth defects, or other reproductive harm. Add details about the warning you want to show California buyers. We'll add a warning symbol and the word 'warning:' before the description you enter here, and we'll add 'for more information go to www.p65warnings.ca.gov' following your description.