Euclid Euco QWIKstitch is a two-component hybrid urethane repair liquid used to mend cracks in concrete, repair spalled joints and repair damaged or uneven concrete surfaces.
EUCO QWIKstitch is a two-component hybrid urethane repair liquid used to mend cracks in concrete, repair spalled joints, and repair damaged or uneven concrete surfaces. It is an ultra-low viscosity material formulated to penetrate deep into cracks and cure fast. Concrete repaired with EUCO QWIKstitch can be opened to heavy traffic in less than one hour. EUCO QWIKstitch can also be mixed with clean, oven-dried silica sand to create a tough mortar for pop-outs and spalls.
| Property | Value |
|---|---|
| Product Type | Two-component hybrid urethane repair liquid |
| Packaging (this product) | 2 gal (7.6 L) bulk unit (Code: 693Q 95) |
| Approximate Yield | 462 in3 (7570 cm3) per 2 gallon bulk unit |
| Mix Ratio | Part A to Part B: 1:1 by volume |
| Sand to Mixed Liquid Ratio | 2:1 by volume |
| Viscosity | Part A 60 cP; Part B 60 cP; Mixed 60 cP |
| Gel Time at 75°F (24°C) | 2 to 3 minutes |
| Tack Free Time at 75°F (24°C) | 10 minutes |
| VOC Content | 19 g/L |
| Hardness | Shore D 70 (ASTM D2240) |
| Tensile Strength (7 days) | 3,410 psi (23.5 MPa) (ASTM D638) |
| Tensile Elongation | 16.3 (ASTM D638) |
| Compressive Strength | 4,610 psi at 1.5 hours; 5,050 psi at 24 hours (ASTM D695) |
| Bond Strength | 1,880 psi (13 MPa) (ASTM C882) |
| Water Absorption | 0.25% (ASTM D570) |
| Application Temperature Range | 0 to 110°F (-18 to 43°C) |
| Shelf Life | 1 year in original, unopened package |
How quickly can repaired concrete be reopened to traffic?
Concrete repaired with EUCO QWIKstitch can be opened to heavy traffic in less than one hour. Tack free time at 75°F (24°C) is 10 minutes.
What is the mix ratio for the bulk unit?
Mix Part A to Part B at 1:1 by volume. When making mortar, use 2 parts clean, oven-dried silica sand to 1 part mixed liquid by volume.
Can it be used to repair spalls and pop-outs?
Yes. It can be mixed with kiln-dried medium grade (30 mesh) silica sand to create a mortar suitable for repairs 1/2 inch to 3 inches (1.3 to 7.6 cm) in thickness per lift.
What temperature range can it be applied in?
Application temperature range is 0 to 110°F (-18 to 43°C). Condition material to 60 to 80°F (16 to 27°C) before use when possible.
Does the neat material hold color in sunlight?
Neat EUCO QWIKstitch is not UV stable and will discolor when exposed to sunlight or interior UV light.
How do I clean tools before it cures?
Tools and equipment can be cleaned before cure with MEK or acetone.
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