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Polyurethane Mastics & Sealants
We manufacture high performance polyurethane mastics and sealants for highly aggressive aqueous media and also support application services in varied industries where they are used.
- Heat and acid/alkali resisting mastics and sealants
- Resistant to aggressive aqueous media even concentrated acids upto temperatures of 90oC.
- High tensile strength
- Abrasion resistance
- Bulk flexibility ensuring bending without cracking
- Resistance to raised levels of sound, vibration & shock
- Unaffected by thermal expansion and contraction
- Retains flexibility even in negative Celsius temperature
It is available as GAPPSEAL-X4+Y8
- Application
- Steel cold rolling mills
- Sealing of metal parts in defense equipment like submarines
- Chemical process vessels
- Sealing joints of pipes, fittings, fuel tanks
- Joint sealant for acid proof brick lining
Road joint trafficable sealants
The properties of the two component polyurethane caulking compound cum traffic road sealant called GAPPSEAL RS4 are
- Forms a tough, elastic, watertight bond with all substrates and is capable of dynamic joint movement of +/- 25%
- Excellent stability against all weather conditions including heavy rainfall
- Cures fast in wide joints upto 100mm ensuring early introduction of traffic i.e. 24 hrs.
- Applications
- Sealing of road and highway joints
- Sealing of runway and airfield joints
- Sealing of joints in bridges and tunnels
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