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MiraGard HD50

Chemical Family
Acrylics & Acrylates

MiraGard HD50 is a unique, single component, solvent-based, ultra-hard clear acrylic sealer that offers a maximum VOC content of less than 50 grams per liter. Designed for use on interior and exterior conventional concrete, exposed aggregate and decorative concrete, cementitious coatings and overlays, MiraGard HD 50 Sealer is also suitable for unglazed brick or tile, and many other masonry surfaces to provide a “wet look”.

Other characteristics

Brand
MiraGard
Features

Abrasion Resistant, Durable, Fast Drying, Good Adhesion, Good Non-Yellowing Properties, Good Weather Stability, High Gloss, High Hardness, UV Resistant, Wear Resistant

Product Type

1K (1 component) Coating, Sealer, Solventborne Coating; 1K (1 component) Coating; Sealer; Solventborne Coating

Compatible Substrates & Surfaces
Brick, Concrete
Usage
  • Natural and pigmented concrete surfaces.
  • Exposed aggregate concrete.
  • Stamped full depth concrete and overlays.
  • Natural and cast stone, slate and flagstone.
  • Colored and natural gray concrete pavers.
  • Brick and other masonry surfaces.
  • Unglazed tile and stucco.
Markets
  • Building & Construction
  • Paints & Coatings
Mix Ratio
Single component, pre-mix prior to use.
Advantages

Long wearing, durable, abrasion resistant.; Excellent hot tire resistance.; Excellent adhesion.; Fast drying and recoat time.; Excellent UV resistance and weathering characteristics.; Non-yellowing formulation; Chemical resistant.; High Gloss.; VOC-compliant.

Limitations

Apply only when temperatures are a minimum of 50°F (10°C) and a maximum of 90°F (32.2°C), and surface is thoroughly dry.; Do not apply if rain is anticipated within 24 hours, or if ambient temperature is within 5°F of dew point.; Due to solvent content, must be applied over compatible substrates only.; Not for use in residential garage floors within SCAQMD air quality jurisdiction only. Acceptable for use in residential g; Not recommended over many acrylic thin film paints, sealers or coatings – Application can be accomplished following special manufacturer's instructions when application is over Miracote coatings, stains or sealers.; Keep away from ignition sources.; Sealed surfaces may be slippery when wet. Consider the incorporation of a slip-resistant medium.

Technology
Ready-to-Use Products
Packaging Type
Pails
For Best Results

Always install a minimum 4' by 4' test area or job site mock-up for owner approval of acceptable color, texture, finish, adhesion, and any other critical requirement prior to proceeding. Protect materials at all times from excessive heat and cold, and pre-condition to room temperature as necessary.; Regularly check wet film thickness with mil gage, and monitor consumption to ensure correct application rates are obtained.; The proper application of this product is the sole responsibility of the end user. Job site visits by Miracote representatives are only for the purpose of making recommendations. Supervision and quality control are the sole responsibility of the user.; It is recommended to apply in two coats at the published coverage rates. Do not apply in one thick coat.; Measure substrate temperatures to ensure that material is applied when temperatures are between 50°F (4.5°C) and 90°F (32.2°C) during placement.; Verify all ventilation ducts are sealed shut or blocked to prevent diffusion of solvent fumes.; During application in direct sunlight and elevated temperature conditions thinning MiraGard HD 50 with acetone at a rate not to exceed 25% is acceptable to improve absorption, increase working time, and minimize bubbling and streaking.

Technical data

Table 1 of 1

15 rows
CharacteristicValueUnit
Weight Solids25.0%
VOCmax. 50g/L
Viscosity150.0cps
FlexibilityGood—
Weather ResistanceExcellent—
AbrasionExcellent—
Curing Time (Dry to touch, 77°F)30.0minutes
Curing Time (Re-coat, 77°F)30 - 60minutes
Curing Time (Open to light traffic, 77°F)4.0hours
Curing Time (Full cure, 77°F)72.0hours
Curing Time (Hot tire, 77°F)7.0days
Curing Time (Routine maintenance, 77°F)72.0hours

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