海绵泡沫压缩应力试验将试样置于上、下压盘间，上压盘以规定速度向下压缩一定尺寸的试样至国家标准要求的A法（B法、C法）所规定的凹度时，其上的荷重元将感应到的压力反馈给控制器处理并显示，从而测得海绵、泡沫等试样等材料的压陷硬度。

Mr. Clean's Magic Eraser is essentially melamine foam, which has cleaning and abrasive properties that don't require harsh chemicals to clean surfaces. The sponges are non-toxic and don't contain ...

Designed to help prevent the spread of fire, these innovative materials provide improved protection for various applications.

After a four-year lapse, that little, round, pink piece of foam that gained national attention on the sitcom "Seinfeld" is scheduled for a comeback. The Today sponge, discontinued in 1995 ...