Shenhai Explosion-Proof
Cov cua kub cua sov rau cov qauv asphalt yuav tsum tsis pub tshaj 170 ° C los tiv thaiv kev laus sai.
Extended raug rau tshav kub heev yuav ua rau deterioration. Thaum tuav cov rwb thaiv tsev ntev, Qhov kub thiab txias yuav tsum tau khaws cia hauv qab 100 ° C.