The polyethylene foam is an excellent performance sealing material for concrete, it possesses the strong points of lightmass, high strength and durability.
发泡聚乙烯板材是一种性能优良的混凝土填缝板材料，具有轻质、高强、耐久性优异的特点。
2
The coagulative precipitation-adsorption with the crashed lightmass brick or coal ash can be utilized in treatment of the wastewater from paperboard coating plant.
用混凝沉淀-轻质砖碎料或粉煤灰吸附处理灰纸板涂布废水。
3
Because of the lightmass, the recoil effect is strong after the particle is emitted, so the recoil effect is must taken into account to maintain the energy balance.