TECHNICAL DATA SHEET
Description
Mastech WATERSTOP-SW is an expanding waterstop that consists of natural sodium bentonite, butyl rubber and special polymers that expands not only in clean water but also in salt and brackish water. It is a flexible and self-adhering material which expands colloidally in contact with water and applicable to all construction joints.
Areas of Use
Construction joints of the near shore structures in contact with sea water, brackish water prosess tanks, precast elements, water tanks, waste water treatment plants, tunnels, basements, manholes, culverts, reservoirs, swim- ming pools, canals, etc.
Features and Benefits |
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Dimensions* |
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* Different colors and sizes are available. |
Typical Physical Properties
Colors |
Black, Blue and all colors are available |
Expansion** |
≥ 250% |
Specific Gravity |
1.35 gr/cm3 |
Hydrostatic Pressure Resistance |
Up to 60 m. water column (6 bars) |
Installation Temperatures |
-15 °C / 60 °C |
Toxicity |
No |
Surface Preperation |
Surface should be clean and dry |
Shelf Life ** |
5 years in original undamaged package *** *** Dry and moisture free environment. |