It has the foamingcharacteristics, mildness, less resistant to hard water and excellent bio-degradable.
具有优秀的起泡性能，温和性，抗硬水性能及优良的生物降解性。
2
The principle of bitumen foaming, the evaluation parameters and the factors influencing foamingcharacteristics are introduced in this paper.
简述了泡沫沥青的发泡原理，提出了沥青发泡特性的评价指标和影响因素。
3
The designing process, structure characteristics and operating method of the EPS foaming mould used in the lost foam casting production of the compressor pedestal were introduced.