It can absorb water and expand when it comes into contact with water, with an expansion rate of ≧150-300%.
It can close the gap between concrete and tension bolts by its own expansion,
and achieve a water-stopping effect.
- 2.5/3Split holes 2.5cm
Thickness10mm
4200pcs/Box
- 4Split holes 2.5cm
Thickness10mm
3000pcs/box
- 5Split holes3cm
Thickness10mm
2000pcs/Packs
★ Screw installation is convenient and quick, saving time in welding iron sheets.
Hardware accessories for building materials and formwork