Polyurea Applications - Wastewater Industry

Waste Water Industry

Expanding global development has led to a steady increase on the demand and capacity of wastewater infrastructure. However, a significant share of the globally produced effluents is still discharged into rivers and streams without prior treatment. This adds to the importance of large wastewater treatment plants for protecting public health, surface and ground water, to ensure a sustainable water supply. Properly treating and containing sewage presents a continual challenge. Wastewater sewage produces hydorgen sulfide gas that breaks down and deteriorates concrete surfaces. This can lead to potential spills and increased maintenance costs.

Unit Liner Company's high-performance polyurea coatings provide superior protection for the Wastewater Industry. These durable elastomeric coatings form an impermeable barrier that is resistant to hydrogen sulfide gas, water, and many chemicals. ULC's polyurea coatings help to protect the environment and dramatically extend the service life of wastewater infrasturcture.


Waste Water Industry Applications

  • Protection of sewage digesters and clarifying tanks.
  • Tunnel and sewer manhole preservation and restoration.
  • Protection of above- and below-ground pipes.
  • Secondary containment liners for spill protection.
  • Non-skid and corrosion-resistant flooring, walls and roofs.
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Featured Industry Solutions

Polyshielt HT™ 100F UB

HT™ 100F UB is a high tensile, high elongation, high build, fast-set elastomer, specifically formulated to provide a tenacious bond to certain thermoset plastic surfaces. Unlike most spray-applied polyureas, HT™ 100F UB has the unique polymeric substrates, both new and aged, typically without the use of primers or extensive surface preparation. It provides a cost effective, flexible, tough, resilient monolithic membrane with water and chemical resistance.

Polyshield HT™ 100F

Polyshield HT™ 100F is the work-horse of the polyurea protective coating industry. Millions of square feet of this product have been successfully applied worlwide. This advanced coating combines high elongation and tensile strength properties to form a tough, flexible, resilient monolithic membrane with water and chemical resistance.


PTU™ is a new generation of high-performance polyurea coating and is the result of six years of development and field testing. This chemical-resistant coating provides high-ductility, allowing it to move with expanding and contracting surfaces. PTU™ can be sprayed to any thickness in one application and returned to service in a matter of hours.

ULC has over 40 unique polyurea elastomer coatins with a wide range of physical properties to meet your specific project requirement. ULC only produces 100% solids, pure polyurea coatins that contain no VOCs, solvents, or harmful ozone depleting ingredients. Our knowledgeable team of industry experts will work closely with you from your project's beginning to the end, providing reliable coatin solutions, SSPC/NACE standards and project specifications.


Dry Properties
& Test Methods
Ht™ 100F
HT™ 100F
Tensile Strength, psi
> 3,900 psi
> 4,200 psi
± 3,000 psi
ASTM D 412
> 325%
> 350%
± 100%
Tear Resistance, pli
ASTM D 624
370 pli
± 50
420 pli
± 50
Shore D Hardness
ASTM D 2240
50 ± 5
47 ± 5 D
65 ± 5 D
Abrasion Resistance
ASTM D 4060
H 18 Wheel
147 mg loss
H 18 Wheel
161 mg loss
< 70° to >
< 70° to >
< 70° to >
Service Temperature
-50° to
-60° to
Return to Service
24 Hours
48 Hours
* Contact ULC for techinal information.
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