He first produced a soluble phenol-formaldehyde shellac called " Novolak " that never became a market success, then turned to developing a binder for asbestos which, at that time, was molded with rubber.
He first produced a soluble phenol-formaldehyde shellac called " Novolak " that never became a market success as a brand, but still exists as Novolac.
He first produced a soluble phenol-formaldehyde shellac called " Novolak " that never became a market success, then turned to developing a binder for asbestos which, at that time, was moulded with rubber.
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