With a strong penetration and testing , it has a protective effects in the mould surface during the derusting cycle.
具有强烈渗透、探伤作用,可对模具表面除锈周期防护效果。
Surface cleaning is critically important for pipe coating, and shot (impeller) blasting is the most suitable derusting method for most kinds of coating materials.
钢管的表面处理是决定覆盖层质量的关键因素,对大多数覆盖层而言,喷(抛)丸除锈法是最理想的除锈方式。
The pouring process comprises making the center and both sides material of the compound steel, derusting and decontamination, pouring steel melt, derusting for relevant equipments.