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Polyurea Systems

Polyurea is a unique class of polymer defined as the reaction of an isocyanate prepolymer and a blend of primary and secondary amine terminated polyols. The resulting product is tough, abrasion and chemical resistant, and long lasting. A significant advantage of this 100% solids chemistry is the rapid cure rate at ambient temperatures. Films cure in seconds, regardless of ambient temperature conditions, allowing for rapid implementation of the part or equipment.

PCSI 's concrete coating technology has been specified and installed on thousands of miles of pipe, both internally and externally. It is an excellent choice for structures where traditional coatings have failed due to their pin holing. When applied as recommended, PCSI 's 100% solids polyurea will not pin hole.

In both the plant and field, applied pipeline coatings manufactured by PCSI have revolutionized the coating process. Dry to the touch in seconds means in-line plant coating operations, back-fill quicker in field applied bell hole operations, continuous over-the-ditch cleaning/coating and the materials are resistant to abrasion/tear which means PCSI 's materials don't require protective coatings for handling. Several contractors are using these materials as a joint material as they adhere very well to FBE and polyethylene substrates that have been properly prepared. PCSI 's materials have been applied to pipes from 3-1/2 inches to 21 feet in diameter and have provided the long term corrosion prevention desired by the specifying engineer.

Systems Available

PCSI Polyureas Physical Properties Summary
	Tensile PSI	Elongation %	Hardness Shore( )	Reactivity sec.
PCS-320	2,500	250	55(D)	15-25
PCS-325	2,500	250	55(D)	6
PCS-350	3,000	450	95(A)	15-25
PCS-355	3,000	450	95(A)	15
PCS-360BG	1,100	900	75(A)	45 min
PCS-305	2,000	250	55(D)	<30
PCS-400	7,200	10	52	1.5 hrs
PCS-410	1,700	65	57	2 hrs
PCS-700	3,500	5	72(D)	<30

System Name

Description

PCS-320

Similar to PCS 325 with longer gel time for improved surface wet-out. For applications requiring broadcast for anti-slip, higher gloss and smoother finishes.

PCS-325

Rapid cure aromatic flexible polyurea for concrete coatings, manholes and liners, secondary containment, wastewater, sewage treatment plants. 250% elongation.

PCS-350

Similar to PCS 355 with longer gel time for improved surface wet-out. For applications requiring broadcast for anti-slip, higher gloss and smoother finishes.

PCS-355

450% elongation elastomeric polyurea, excellent metal and concrete coating. Increased toughness with good chemical resistance.

PCS-360BG

1:1 elastomeric polyurea hand patch system. Extended pot life. Excellent for patching, pipe joints and girth welds.

PCS-305

Aliphatic light-stable polyurea. Where UV stable surface coatings are required. Used in flooring, road marking and roofing. PCS-305 is an ENERGY STAR® approved cool roofing product.

PCS-400

Hand applied pure polyureas for roller brush or airless application. Offers a pot life of 15-20 minutes at 75 °F, and a cure rate of 1-2 hours. PCS-400 series are UV stable and can be used over PCS 300 series pure polyureas for color retention applications.

PCS-410

PCS-410 provides 65% elongation for concrete applications where crack bridging is required.

PCS-700

Rigid polyurea, excellent cathodic disbondment and adhesion to FBE. Specified for coating girth welds, repair of FBE. Room temperature cure replacement for FBE pipeline coatings.

PCS-20

Unique one component 100% solids primer for polyurea applications over concrete. Reduces pinhole formation while penetrating deep into the concrete. Cures to tack free in 1-2 hours allowing short downtime before applying PCSI polyurea. Can be sprayed, brushed or rolled at 2-5 mils. If concrete has tight surface, water can be added to the PCS-20 to reduce viscosity for maximum penetration of the concrete surface.

TACK-COAT

A new, brush or spray applied procedure for “waking up” existing polyurea to accept a new coat of polyurea. Especially useful for the tie in coat on extended or delayed jobs. Simply apply to surface of existing polyurea and allow to dry. Top coat with next layer of polyurea within an hour. Eliminates hand sanding or use of flammable solvents.