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CM 960 Industrial Super Top

CM 960 Industrial Super Top is a premium quality pumpable, highly abrasion resistant,industrial self-leveling compound.

The product is intended for both interior and exterior use on substrates of concrete. Top coating is recommended for aesthetics and stain reduction, however, is not necessary where aesthetics are not important, such as warehouse applications. CM 960 Industrial Super Top accepts direct application of most professional coatings, such as acrylic, polyurethane, polyurea, fluorosurfactant penetrating sealers, and epoxy-based systems as well as Terrazzo. CM 960 may also be grinded, polished and pigmented both topically and integrally.

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Product specification

Technical data
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Compressive strength class

4,350 psi

Flexural Strength, class

1,087 psi

Fire resistance class

A1fl

RWA

20

Adhesion to surface

> 217 psi

Thickness 1

3/8”–3/4”

Weight (dry state)

118 lbs/ft³

Wet volume weight

148 lbs/ft³

Water requirements

Flow rate

max 4 1/2”

Workplace temperature

Förvattning_prod_tabell

Mixing time

Working time

15–20 min

Final set

1–3 hrs

Eftervattning_prod_tabell

pH

apx. 11

Water damage resistant

yes

Shrinkage

0.03–0.05 %

Packaging
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96005

20 kg

96003

1000 kg

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Use

Pre-treatment
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The substrate should be clean and free of dust, cement skin, grease and other impurities that can prevent adhesion. Adhesion and surface resistance of the substrate should be no less than 217 psi (1.5 MPa). Control joints, construction joints and cracks in the substrate which may be subject to movement after installation of CM 960 Industrial Super Top must be honored and maintained as joints in the new surface. If Calcium Chloride moisture testing of the substrate is to be performed, it must be done prior to the application of CM 940 as a false high reading will occur due to the tests being inaccurate on calcium aluminate leveling compounds. Always prime the substrate with PP 600 and allow to dry before pouring (see PP 600 datasheet for proper dilution and installation directions). In terms of the primer forming a film, the temperature of the substrate must not be below 50 °F. For best results, the ambient temperature in the work area should be between 50 and 77 °F. At higher or lower temperatures, the time for curing will shorten or extend. Protect the product from excessive heat, excessive cold and draft conditions during and after the installation. It is recommended that the installation should be done with a proper air ventilation from an HVAC system. With the risk for cracks due to shrinkage or settings in the subfloor, a concrete surface should not be leveled within the first 28 days after casting. As a recommendation the RH in the concrete should have reached RH 90 % as the upper limit for pouring the CM 960. Use the Combimix form foam for edging. In order to avoid drainage pipes from getting clogged, always make sure the drains are properly sealed before pouring.

Mixing
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Mix the dry powder with max 3.2 qt (3.0 L) of water, max 15 %, per 44 lb (20 kg) bag. Manual mix: Mix with a heavy duty ½” (13 mm), 650 rpm minimum drill and a whisk to obtain a lump free consistency. Mixing pump: Mixing pump intended for this purpose. Start pump at minimum of 120 gallons of water per hour and adjust as necessary to yield a self-leveling consistency. Please note that the production capacity and speed of the pump will dictate the gallons of water ratio per hour. The Combimix slump test must always be carried out to ensure the product performance and that the mixture is homogenized and free from separation. The correct water mixture can be tested using a slump test with a cylinder with Ø 1.18” and a height of 1.97” (Ø 30 mm and a height of 50 mm) on 11.8” x 11.8” (300 x 300 mm) plexiglas plate. With the correct water mixture, the spread should be max 4 1/2” (115 mm) for application thickness 3/8”–3/4” (10–20 mm) . The slump test also checks that the material is well blended and that there is no separation.

Application
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The mixed material is applied by hand, or pumped out onto the substrate in lengths. Each new ribbon is added to the old one as soon as possible so that the material can blend together and create an even surface. The width of the ribbons can be adjusted to the capacity of the mixing pump and the thickness of the covering. Set thickness using a Gauge Rake and smooth the mixed material using a spike roller or a toothed trowel. Working time of the product is apx. 15 to 20 minutes. Application thickness 3/8”–3/4” (10–20 mm).

Post-treatment and curing
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You can easily shape or cut the semi-hardened self-leveling underlayment material before it fully dries. Protect the surface for up to 24 hours after installation. Material can be walked on after 1–3 hours. The product is paintable with epoxi or similar after 3–5 days depending on the thickness. Sealers should be applied to reduce topical staining and must be used for applications where aesthetics are important. The guided time for dehydration down to RH 85 % of the product is 3/8” (10 mm) per week. The guiding value assumes a curing temperature of approximately 68 °F, Notice 40 % RH and proper air flow. Densify to increase surface durability: Lythic Densifier penetrates CM 960 Industrial Super Top, adding silica to increasing hardness and durability. When polishing the CM 960 Industrial Super Top overlay, Lythic Densifier is sprayed on the surface, with a pump sprayer, after the first polishing step. “Back roll” Densifier, with a short nap roller, into the overlay to evenly wet the surface. Stay off the surface until completely dry. Dye colors can be applied before Densifier following manufacturer’s instruction. After the final diamond polishing step is complete, application of Lythic SPD Protector is recommended. Seal to protect from staining and etching: Lythic SPD Protector bonds tightly to the surface of Combimix overlays and effectively blocks staining and etching from oils and acidic materials. A two part system, SPD is applied to Lythic Densified overlays with a short nap micro-giver roller. SPD rolls out white and dries to a thin clear protective film. After 24 hours, burnish with a red pad or a hogs hair pad. NOTES: Protect product from excessive heat or draft conditions during the curing process. This product is intended to be used as an wear surface for industrial traffic. This product is not a vapor barrier and will allow free passage of moisture. Substrates should be tested prior to the installation of Combimix product. Where substrate moisture exceeds the maximum allowed Combimix recommends the use of AC TECH 2170 moisture migration product. for more information go to: www.actechperforms.com For interior use only. The temperature should maintain between 50–77 °F (10–25 °C) during and up to 72 hours after application. Not compatible with MMA (Methyl Methacrylate). Not recommended for use over radiant heating systems. Not recommended over adhesive residue. Not recommended over vinyl flooring.

Consumption calculator

CM 960 Industrial Super Top

Consumption calculator

phone

+46 20 21 21 00

Call our order department

Contact us

  • Verkstadsvägen 6
  • 746 40 Bålsta, Sweden
  • Tel. +46 171 46 65 91
  • Fax. +46 171 46 65 99
  • E-mail: info@combimix.com

Combimix

Combimix develops and manufactures mineral-based products for the construction industry. Our product range includes products for floor levelling, façade plastering, rendering, concrete resurfacing and restoration mortar for cultural buildings. We conduct sales in Europe and USA.

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