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Emery Tuff TM

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Categorías: ENDURECEDORES SUPERFICIALES PARA PISOS, METALICOS
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Descripción

Descripction

Emery Tuff is a ready to use shake-on floor hardener comprised of a blend of 100% pure emery, special additives and portland cement. Emery Tuff is a material that is extremely hard, tough and abrasion resistant. As a result, proper
installation of Emery Tuff will impart very long life and extremely high durability to concrete surfaces.
Emery Tuff is completely non corrosive and rust free and can be used inside or outside. Emery Tuff
offers a superior alternative to metallic floor hardeners. It will provide a harder, denser and more
abrasion resistant floor. Emery Tuff is a concrete gray color.

Use

Emery Tuff is a dry shake floor hardener designed for application to freshly cast horizontal concrete to harden and densify the surface. Applications for Emery Tuff include: industrial plants, foundries, automotive assembly plants, loading docks, smelters, warehouses, service garages, processing plants, generating stations, sewage and water
treatment plants, resource recovery plants, paper mills, etc.

Features
  • Dramatically increases the life of concrete floors over that of untreated concrete
  • Non-rusting (typical metallic hardeners cannot be used in a wet environment)
  • Superior wear and abrasion resistance to metallic shake-on hardeners
  • Easy to apply – less labor intensive than metallic hardeners
  • Resists penetration by grease, oil, and contaminants
  • Greater depth per pound of Emery Tuff vs. metallic hardeners
  • Resists dusting, spalling and deterioration
  • Interior/exterior applications
Properties

100% pure emery/corundum consisting of a minimum of 58% aluminum oxide, a minimum of 24% iron oxide and no more than 4% silica
Moh hardness – 8 to 9 (Diamond is a 10)
Specific gravity – 3.5
For heavy duty service Class 5 and 6 Industrial floors
(ACI Manual of Concrete Practices)
Compressive Strength – ASTM C-109, 2 in. (5.1cm) cubes 12,000 psi (82.7 MPa) in 28 days.

Abrasion Test – ASTM C-944 – “Standard Test Method for Abrasion Resistance of Concrete or Mortar” test performed with a doubling of the applied load and with doubling the time of abrasion
Average weight loss in grams – 0.4

Note: The data shown is typical for controlled laboratory conditions. Reasonable variation from these results can be expected due to interlaboratory precision and bias. When testing the field mixed material, other factors such as variations in mixing, water content, temperature and curing conditions should be considered.

Estimating Guide

Coverage:
Medium Duty Floors:1.0 lbs./sq. ft.(5.0 kg /sq. m)
Heavy Duty Floors: 1.0-1.5 lbs./sq. ft. (5.0 – 7.6 kg /sq. m)

Packaging

Storage

Store in a cool, dry area free from direct sunlight.
Shelf life of unopened bags, when stored in a dry facility is 12 months. Excessive temperature differential and /or high humidity can shorten the shelf life. The ACI Manuals of Concrete Practice that are to be followed:

  • ACI 302 Guide to Concrete Floors and Slab Construction
  • ACI 305 Hot Weather Concreting
  • ACI 306 Cold Weather Concreting
  • ACI 308 Curing of Concrete
  • ACI 309 Consolidation of Concrete expectancy.
Mock Up:

It is recommended that a minimum 10’ x 10’ (3.0 m x 3.0 m) test placement (mock up) be made using the same applicator, concrete mixture, method of placement and finishing procedures and the same conditions as anticipated on the project. The mock up sample area should be to assure acceptance of installation and appearance.

Placement:

Placement of Base Concrete: Concrete slump is NOT to exceed 5 in. (12.7 cm). Gap grading of concrete aggregate in the mix design should be avoided. The use of air entraining agents, fly ash, fibers, calcium chloride and water reducers should be avoided. Total air content of normal weight concrete should not exceed 3% except when service conditions expose the concrete to freeze/thaw cycling and the slab is not hard-trowel finished. Contact Dayton Technical Services Department for more specific recommendations concerning concrete mix designs. Only place when ambient temperature is between 40°– 90°F (4°– 32°C).

General Application Procedure:

The industry standard application procedure for dry shakes is to apply them in two passes, 2/3 by weight the first pass and 1/3 the weight on the second last pass. Distribution of the dry shake hardener by mechanical spreaders (i.e. Morrison or Somero) is the recommended method. Broadcast first pass onto the concrete before bleeding occurs; do not broadcastdirectly into bleed water. After broadcasting, let the dry shake absorb bleed water and wet out until all of
the shake has darkened uniformly and appears the same color. The wet out time will be affected by ambient job-site conditions, and slightly shorter or longer times may be necessary. Avoid clumping material on the surface. After material has darkened and is uniform in color, then float with weighted wood bull floats or highway straight edge to embed into the concrete surface and remove any surface irregularities. Wait until the concrete will support the weight of a power trowel using float shoes or a pans (combination blades should not be used) and break
open the surface across the placement in the shortdirection. Immediately apply the remaining 1/3 uniformly at right angles to the first application. The second application does not have to be applied at right angles to the first application if a mechanical spreader is used. Early setting around the slab edges will occur and should be watched closely to properly time the floating operation. After the second
application has absorbed the surface water and uniformly darkened, float the surface with a finishing machine equipped with float shoes. When the surface
can support the weight of a power trowel and finisher, then, power trowel multiple times using trowel blades or pans to thoroughly embed the dry shake in the
concrete for a smooth finish. Initially, the trowel blades should be set as flat as possible to avoid digging into the surface. The trowel blades may be gradually
raised to slowly close the surface. Proper and uniform finishing is essential at this point. Do not rewet and do not overwork. Prevent closing the slab too early as
blistering or delamination may occur. Do not use combination blades. Surface may be broomed or textured.

Curing

Emery Tuff Natural: Immediately after final finishing, and after the surface water has disappeared, apply a Dayton Superior membrane forming curing compound
or cure and seal. Wet curing methods compliant with ACI 308 may also be employed.

Clean Up

Use clean water. Clean up all tools and equipment before Emery Tuff has set. Hardened material will require abrasive methods of removal.

Limitations
For professional use only

Install only when the ambient temperature is between 40° – 90°F (4° – 32°C). Not recommended for steel-wheeled traffic and high point loading. For steel wheeled traffic and/or for high point loads use Ferro Tuff™. Do not use on floors that will be exposed to acids known to deteriorate concrete. Air entrainment should not exceed 3%. Do not add other cements or additives to Emery Tuff.
Prepackaged material segregates while in the bag, thus when mixing less than a full bag it is recommended to first agitate the bag to assure it is blended prior to sampling.

Precautions
Read SDS prior to using product
  • Product contains Crystalline Silica and Portland Cement – Avoid breathing dust – Silica may cause serious lung problems.
  • Use with adequate ventilation.
  • Wear protective clothing, gloves and eye protection (goggles, safety glasses and/or face shield).
  • Keep out of the reach of children.
  • Do not take internally.
  • In case of ingestion, seek medical help immediately.
  • May cause skin irritation upon contact, especially prolonged or repeated. If skin contact occurs, wash immediately with soap and water and seek medical help as needed.
  • If eye contact occurs, flush immediately with clean water and seek medical help as needed.
  • Dispose of waste material in accordance with federal, state and local requirements.
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    Emery Tuff

    DESCRIPTION Emery Tuff is a ready to use shake-on floor hardener comprised of a blend of 100% pure emery, special additives and portland cement. Emery Tuff is a material that is extremely hard, tough and abrasion resistant. As a result, proper installation of Emery Tuff will impart very long life and extremely high durability to concrete surfaces. Emery Tuff is completely non corrosive and rust free and can be used inside or outside. Emery Tuff offers a superior alternative to metallic floor hardeners. It will provide a harder, denser and more abrasion resistant floor. Emery Tuff is a concrete gray color. USE Emery Tuff is a dry shake floor hardener designed for application to freshly cast horizontal concrete to harden and densify the surface. Applications for Emery Tuff include: industrial plants, foundries, automotive assembly plants, loading docks, smelters, warehouses, service garages, processing plants, generating stations, sewage and water treatment plants, resource recovery plants, paper mills, etc. FEATURES ■ Dramatically increases the life of concrete floors over that of untreated concrete ■ Non-rusting (typical metallic hardeners cannot be used in a wet environment) ■ Superior wear and abrasion resistance to metallic shake-on hardeners ■ Easy to apply – less labor intensive than metallic hardeners ■ Resists penetration by grease, oil, and contaminants ■ Greater depth per pound of Emery Tuff vs. metallic hardeners ■ Resists dusting, spalling and deterioration ■ Interior/exterior applications PROPERTIES 100% pure emery/corundum consisting of a minimum of 58% aluminum oxide, a minimum of 24% iron oxide and no more than 4% silica Moh hardness – 8 to 9 (Diamond is a 10) Specific gravity – 3.5 For heavy duty service Class 5 and 6 Industrial floors (ACI Manual of Concrete Practices) Compressive Strength – ASTM C-109, 2 in. (5.1cm) cubes 12,000 psi (82.7 MPa) in 28 days
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    Cover Top del Norte, SA de CV, es una Empresa de Servicio y Asesoría Técnica Profesional, que comercializa, no solo productos
    Especializados, para el concreto y la construcción, sino que ofrece la solución adecuada a su problema en Obra, y trajes a la medida para sus Proyectos.

    Alfredo Garza Garza No 303, El Milagro, Apodaca, N.L. C.P 66634
    Teléfono (81) 20927333 Whatsapp: 8119877365
    ventas@covertop.com.mx
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