Sikaflex-2c NS EZ Mix+ is a two-component non-sag polyurethane sealant in a 1.5 gal Tint Base unit for working joints at least 1/4 in deep. Add a Universal Color-pak in the field for architectural colors on vertical or horizontal joints.
Sikaflex-2c NS EZ Mix+ is a two-component, non-sag polyurethane elastomeric sealant for working joints at least 1/4 in deep. This 1.5 gal Tint Base unit takes a Universal Color-pak in the field; the same grade is also sold as pre-tinted Limestone. Class 50 movement capability covers vertical and horizontal joints, including green or damp concrete within the published windows.
| Property | Value |
|---|---|
| Manufacturer | Sika |
| Product | Sikaflex-2c NS EZ Mix+ |
| Type | Two-component non-sag polyurethane sealant |
| Pack | 1.5 gal Tint Base unit |
| Color | Tint Base (add Color-pak) |
| ASTM C920 | Type M, Grade NS, Class 50 |
| Working time at 73 F | Approximately 1.5 to 2.5 hours |
| Final cure | 3 days |
| Green concrete | 24 hours after pour |
| Damp concrete | 60 minutes after wetting |
| Application temperature | 40 F to 100 F |
| MPN | 597473 |
Product documents: Sikaflex-2c NS EZ Mix+ PDS (PDF)
What joints is Sikaflex-2c NS EZ Mix+ used on?
Properly designed working joints with a minimum depth of 1/4 in, vertical or horizontal. Typical work includes construction joints, EIFS, and submerged canal or reservoir joints where a Class 50 non-sag polyurethane is specified.
What movement capability does Sikaflex-2c NS EZ Mix+ provide?
It is an ASTM C920 Type M, Grade NS, Class 50 sealant. Maximum expansion and contraction should not exceed 50% of average joint width.
What color system does Sikaflex-2c NS EZ Mix+ Tint Base use?
Tint Base is mixed in the field with a Universal Color-pak. Color-pak must be used with Tint Base. Pre-tinted Limestone mixes Component A and B only, with no Color-pak.
What working time does Sikaflex-2c NS EZ Mix+ have at 73 F?
Approximately 1.5 to 2.5 hours at 73 F. At 40 F working time is approximately 3 hours; at 100 F it shortens to approximately 1 hour. Final cure is 3 days at 73 F and 50% RH.
What green-concrete timing does Sikaflex-2c NS EZ Mix+ allow?
It may be applied to green concrete 24 hours after the pour, and to damp concrete 60 minutes after the surface gets wet.
What potable-water listing does Sikaflex-2c NS EZ Mix+ carry?
It is certified to NSF/ANSI/CAN 61 for potable water contact, meeting applicable NSF/ANSI 600 requirements on the published sheet.
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