The effects of time and gas flowrate on inclusion removal in a ladle with eccentric bottom gas blowing were investigated by choosing emulsion drops simulated as inclusions in a physical model.
Pentane combines advantageous physical and technical properties with good environmental data. As a blowing agent for polyurethane rigid foams, it is suitable for China market.
戊烷作为发泡剂具有良好的物理和工艺性能及合适的环境数据，适合于我国聚氨酯泡沫市场。
3
This Paper studies the relationship between density of flexible polyurethane foam and it's physical-mechanical properties Under the condition of different amount of water as blowing agents.