一级毛片视频资源网_欧美午夜精品一区二区三区电影_亚洲制服人妻综合av_晚上看羞羞视频免费_欧美另类亚洲制服丝袜_把腿张开老子臊烂你的在线观看_国语露脸刺激高清AV_在线观看动漫av资源_无码视频 人妻系列_国产亚洲欧美一级黄色影片

Polyurethane foaming machineFoaming principle

A and B components of the raw liquid, after accurate ratio and high-speed mixing, by two high-precision metering pumps, A and B components of the liquid to the mixing head. After high speed strong stirring, make the material liquid even and eject, form the required product.

Polyurethane foaming machine classification

From the power classification can be divided into: high speed impeller type, high pressure air type, drum wind low pressure type.