zu
Abakhiqizi abayisisekelo be-phenolic resin baveze ukuthi ngenxa yesidingo esandayo sezinamathelo embonini ehlanganayo, ama-resins wendabuko we-phenolic awasakwazi ukuhlangabezana nezidingo zabathengi. Ngakho-ke, kuyindaba impela ukuthi i-phenolic resin kufanele iguqulwe.