Why do foam caulking tanks explode when exposed to high temperatures or open flames?
Bubble Caulking agent is a kind of material mainly used for building doors and windows. Gap-filled polyurethane foam is widely used in our daily lives. Then, during the use of foam caulking, there are…
Why do foam caulking tanks explode when exposed to high temperatures or open flames?
Bubble Caulking agent is a kind of material mainly used for building doors and windows. Gap-filled polyurethane foam is widely used in our daily lives. Then, during the use of foam caulking, there are…
The issue of concrete admixtures saving cement is an open secret in the industry
The mix ratio of concrete in the quota is allowed to be adjusted. For example: the original cast-in-place concrete of the quota is C20, but when it is actually C30, you can change C20 to C30; you must…