| 摘要 |
<p>A base enamel suspension is used to pickle, nickleplate and enamel the sheet steel. An enamel suspension is used which is poor in clay. Spec. the enamel suspension is ground with 0.75% colloidal SiO2, 0.1% bentonite, 0.2% magnesium montmorillonite and 0.35% sodium aluminate based on the enamel ingredient of the suspension.</p> |
