SHED MOLTEN ALUMINUM . CAST OFF CRYOLITE . Because of its unique ability to shed molten aluminum as well as cryolite, specialized Molten Metal Protection garments are used extensively throughout the aluminum casting industry. Our products are inherently flame-resistant, so their ability to protect will never be compromised by laundering. Bulwark® Protective Apparel uses TenCate Oasis™, which is a trademark of Southern Mills, Inc.