Non-CFC Foam Insulation The tank is surrounded by a thick coat of non-CFC polyurethane foam to trap heat inside the tank, saving energy.

• 不含氯氟烃的聚氨酯泡沫绝缘保温层这种内胆环绕着厚实的不含氯氟烃的聚氨酯泡沫绝缘保温层,将热量保留在内胆内,节约能源。