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Sika SikaEmaco N 425 43lb Bag
SikaEmaco 425 Gel Patch is a lightweight non-sag polymer-modified repair mortar with integral corrosion inhibitor in a 43 lb bag for vertical and overhead concrete. It places in lifts up to 2 in and holds a 20 to 30 minute placement window at 70 F.
- Non-sag vertical and overhead repair mortar with corrosion inhibitor
- Places in lifts up to 2 in thick
- Approximately 6,750 psi compressive strength at 28 days
$51.39
SikaEmaco 425 Gel Patch
SikaEmaco 425 Gel Patch is a trowel-grade, lightweight, polymer-modified, silica fume-enhanced repair mortar with an integral corrosion inhibitor for vertical and overhead concrete. This 43 lb bag (part 812145) places in lifts up to 2 in, covers approximately 0.43 cu ft per bag, and holds a 20 to 30 minute placement window at 70 F. Compressive strength reaches approximately 5,600 psi at 7 days and 6,750 psi at 28 days with low shrinkage for a durable bond.
Key Features
- Trowel-grade lightweight polymer-modified silica fume repair mortar
- Integral corrosion inhibitor with very low chloride permeability
- Non-sag consistency for vertical and overhead placement
- Lifts up to 2 in thick; coverage approximately 0.43 cu ft per 43 lb bag
- Placement window 20 to 30 minutes at 70 F
- Compressive strength approximately 5,600 psi at 7 days and 6,750 psi at 28 days
Applications
- Repairs spalls and holes in vertical and overhead concrete
- Works interior and exterior, above and below grade
- Repairs deteriorated edges for concrete and masonry
- Structural concrete patching where non-sag gel consistency is required
Technical Specifications
| Property | Value |
|---|---|
| Manufacturer | Sika |
| Product | SikaEmaco 425 Gel Patch |
| Part no. | 812145 |
| Unit | 43 lb bag |
| Chemistry | Polymer-modified silica fume mortar with corrosion inhibitor |
| Coverage | Approximately 0.43 cu ft per bag |
| Max lift | 2 in |
| Working time | 20 to 30 minutes at 70 F |
| Compressive 7 / 28 day | Approximately 5,600 / 6,750 psi |
| Flexural 28 day | Approximately 1,110 psi |
| Bond 28 day | Approximately 2,450 psi |
Product documents: SikaEmaco 425 Gel Patch Product Data Sheet (PDF)
Frequently Asked Questions
What jobs suit SikaEmaco 425 Gel Patch?
Vertical and overhead concrete spalls, holes, and deteriorated edges, interior or exterior, above or below grade.
What lift thickness can crews place with SikaEmaco 425 Gel Patch?
Non-sag lifts up to 2 in (51 mm) thick per the sheet.
What compressive strength does cured SikaEmaco 425 Gel Patch reach?
Approximately 2,150 psi at 1 day, 5,600 psi at 7 days, and 6,750 psi at 28 days under ASTM C 109 modified.
What placement window should crews plan for SikaEmaco 425 Gel Patch at 70 F?
Placement time is 20 to 30 minutes at 70 F and 50% R.H.
What corrosion feature does SikaEmaco 425 Gel Patch include?
An integral corrosion inhibitor plus very low chloride permeability to help protect reinforcing steel.
What size is SikaEmaco 425 Gel Patch?
The bag is 43 lb, part 812145.
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