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Location: / Waterproofing Product / Epoxy Coating

Chemical Resistant Epoxy Coating Tremcoat CRE

Chemical Resistant Epoxy Coating Tremcoat CRE

Product Information

TREMcoat CRE is an acid and chemical resistant epoxy coating suitable for protecting walls, floors, wastewater and secondary chemical containment barriers. TREMcoat CRE can also be provide a high degree of mechanical protection and a slip resistant coating.

USAGE/PURPOSE

  • TREMcoat CRE is ideal for pedestrian and vehicle traffic areas such as;
  • Wastewater Facilities
  • Animal Care/Meat Processing Plants
  • Effluent Pits

FEATURES & BENEFITS

  • Novolac resin provides a very high chemical resistant coating.
  • The quick curing of the epoxy allows for pedestrian traffic to return in 12 – 24 hours.
  • 100% solids assists with quality control because wet film thickness equal the dry film thickness.
  • Multiple packaging types allow for minimal product waste on site.
  • Aggregate broadcast can provide a non-slip finish for pedestrian and vehicle traffic.

PACKAGING Made to Order: 8L Kit 16L Kit

COLOURS Grey

  • TYPICAL PHYSICAL PROPERTIES
  • Pot Life @ 24o C,50% RH 30 minutes
  • % Solids (by Weight) 100%
  • Recoat Time @ 24o C, 50% RH 8 hours
  • Open to Foot Traffic @ 24o C, 50% RH 12 hours
  • Open to Light Wheeled Traffic @ 24o C,50% RH 24 hours
  • Full Cure @ 24o C,50% RH 7 days
  • Mixing Ratio 3:1

Chemical Resistance

  • Diesel Fuel
  • Vegetable Oils
  • Hydrocarbon Solvents: - Xylene - White Spirits - Kerosene - Benezene - Cycloheptane - Petroleum Ether - Turpentine
  • Sulphuric Acid Solutions
  • Ammonia Solutions
  • Bleach Solutions (may discolour)
  • Dairy/Lactic Acid
  • Sodium Hydroxide/Lye/ White Caustic/Caustic Soda

SHELF LIFE

12 months when stored as recommended in original unopened packaging.

STORAGE

Store in original, undamaged packaging in a clean, dry, protected location.

LIMITATIONS

  • Do not apply to damp or contaminated surfaces.
  • Use with adequate ventilation.

CONDITIONS PREPARATION FOR CONCRETE SURFACES

1. Concrete shall be water-cured and attain a 20 MPa minimum compressive strength. Moisture content in the concrete must be lower than 4.5% as measured using a moisture meter. Depending on concrete construction and job site location, additional concrete testing may be required. Please contact your local Tremco Representative.

2. Concrete shall be free of any laitance which can usually be achieved by shot-blasting (preferred method) or sandblasting the surface.

3. Concrete surface shall be properly cleaned so that the surface to receive the TREMcoat CRE coating is free of mold, paint, sealers, coatings, curing agents, loose particles and other contamination or foreign matter that may interfere with the adhesion.

4. Concrete surfaces shall have a concrete surface profile (CSP) of 3.

5. Surfaces shall be made free of defects that may telegraph and show through the finished coating. Surfaces that are rough (fins, ridges, exposed aggregate, honeycombs, deep broom finish etc.) shall be leveled and made smooth by applying a void filling coat of either sand mixed TREMcoat MPE or the appropriate TREMcrete concrete repair product.

6. All drains shall be cleaned and operative. Drains shall be recessed lower that the deck surface. The surface shall be sloped to drain to provide positive drainage. Drains should be detailed as instructed below.

SUBSTRATE PREPARATION FOR METAL SURFACES

All surfaces shall be sand-blasted to meet the requirements in AS 1627.4, class 2.5 for “Near White Metal”.

JOBSITE MATERIALS Recommended materials and their uses are as follows:

  • TREMcoat MPE: A multi-purpose epoxy for use in forming cants, void filling, and for use as a priming coating (when necessary)
  • Tremco Sand Aggregate:
  • Various sizes to provide filler for TREMcoat MPE
  • Various sizes to provide non-slip surface and desired aesthetic finish

DETAIL WORK

Note: Do not apply sealant or coatings to a frosty, damp or wet surface or when substrate temperature is below 4oC or the surface temperature is above 43oC. Cure times as stated below are based upon standard ambient conditions of 25oC, 50% RH. A decrease in ambient temperature and humidity will significantly lengthen the cure time.

1. Shrinkage cracks in the concrete surface that are 1.6mm wide or greater shall be routed out to a minimum 6mm x 12mm and filled with a sand/TREMcoat MPE mixture.

2. Control Joints/Expansion Joints shall be cleaned prior to the TREMcoat CRE coating. The TREMcoat CRE shall be turned down into the Control/Expansion Joint a minimum of 12mm. After the epoxy has cured, the appropriate sealant/gland shall be installed.

MIXING INSTRUCTIONS

  1. Mix each component individually to minimize settling and ensure a homogenous mixture.
  2. Add the entire content of the Part B into the Part A and mix using a low speed (600 rpm) drill until a uniform colour and consistency has been achieved.
  3. During mixing, scrape the sides and the bottom of the pail to ensure that the catalyst is sufficiently mixed.
  4. Make sure not to lift the mixing paddle, as to avoid whipping air into the epoxy mixture, as this could cause bubbles/blisters during application.

USAGE

  • The following is a guide to estimate material usage:
  • TREMcoat CRE: Each coat - 5m2 /L.
  • Aggregate: 1kg for every 3.5m2 of Epoxy coating.

COATING APPLICATION

  1. TREMcoat CRE can be applied by brush, roller, squeegee, or airless sprayer.
  2. TREMcoat CRE shall be installed in 2 coats: a. First coat: 200 micron WFT/ 200 micron DFT b. Second coat: 200 micron WFT/ 200 micron DFT
  3. Apply the second coat as soon as the first coat can handle, without damage, traffic of applicators and the epoxy is tack free.
  4. The second coat of TREMcoat CRE must be applied within 48 hours of the first coat.

CLEAN UP

  • Clean all adjacent areas to remove any stains or spills with Tremco Xylol.
  • Clean tools or equipment with Tremco Xylol before material cures.
  • Cured TREMcoat CRE can only be removed with mechanical abrasion.

TROUBLESHOOTING This section describes common industry application issues when certain environmental conditions exist and their remedies. If any of these should occur, it is always recommended that you contact your local Tremco Representative.

1. When a deck contains too much moisture, the moisture may change into a vapour, which then condenses at the concrete membrane interface before the coating has cured and may cause blisters or bubbles, ultimately interfering with proper adhesion. If this should occur, the blisters can be cut out, allowing moisture to escape. After moisture has escaped and the surface is dry, the area can be repaired. 2. If the coating application has been installed at a thickness that is greater than our installation instructions, pinholes, blisters or bubbles may develop in the coating. To avoid this occurrence, the material should be applied in accordance to the installation instructions.

3. If the coating is applied in very hot ambient temperatures, the air in the small spaces between the concrete particles increases in volume and forms blisters. A primer coating of TREMcoat MPE is highly recommended. Contact your Tremco Representative should this occur.

4. If the first coat is exposed to moisture (condensation, spillage), it must be lightly sanded to provide a mechanical bonding surface for the second coat. Failure to mechanically abrade may result in interlaminary adhesion issues.

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Product Code: Chemical Resistant Epoxy Coating Tremcoat CRE
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