In 1905, the Johns-Manville company developed asbestos cement by mixing portland cement with asbestos fibers. The result was a brittle but fire resistant material used as a mastic and mortar for chimneys, skylights and for manufacturing house siding tiles until the 1970s. Due to the health hazards of asbestos, the U.S.
Hot Crushers Brief Introduction
We are a professional mining machinery manufacturer, the main equipment including: jaw crusher, cone crusher and other sandstone equipment;Ball mill, flotation machine, concentrator and other beneficiation equipment; Powder Grinding Plant, rotary dryer, briquette machine, mining, metallurgy and other related equipment.If you are interested in our products or want to visit the nearby production site, you can click the button to consult us.
You can also send a message to us by this email [email protected], we will reply to you within 24 hours.Now tell us your need,there will be more favorable prices!