swellable rubber waterstop bar PN-220 for concrete joints

The swellable waterstop is a new rubber product that based on the raw rubber materials, with a polymer material,throughing chemical modification. It has the characteristics of rubber and swellable to proof water.

It be divided into bentonite waterstop and production waterstop.

Share:

Detailed introduction

The swellable waterstop is a new rubber product that based on the raw rubber materials, with a polymer material,throughing chemical modification. It has the characteristics of rubber and swellable to proof water.

It be divided into bentonite waterstop and production waterstop.

The swellable waterstop have the excellent flexibility,expansion ability,plasticity when water intrude,it is widely used in tnnels, subway, sewage plant, the municipal pipe network,Culvert, dam, bridge construction, water conservance, hydropower projects, building underground,

Structure construction joints, expansion joints and waterproofing of concrete work required.


The main technical performance indicators: 


ItemIndicators
PN-150PN-220PN-300
1Volume expansion ratio (%)  ≥150220300
2High-temperature flow of (80℃x5H)No flowingNo flowingNo flowing
3Low-temperature test(-20℃x5H)No embrittlementNo embrittlementNo embrittlement


Product specifications:

10×10mm、10×30mm、15×20mm、20×10mm、20×25mm、20×30mm、20×50mm、30×50mm、50×50mm etc.

Also we can produce  the slow-expanding type, to strengthen the network type, such as various type of water swelling waterstop article.