Dry adhesive mixtures based on cement binder

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Question 1

Adhesive mixtures must comply with the requirements of the GOST R 56387 standard and be manufactured according to technological documentation approved by the manufacturer. The main indicators of the quality of adhesive mixtures in the hardened state are ...

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Strength of adhesive bond (adhesion) after exposure to high temperatures

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Transverse deformation

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Strength of adhesive bond (adhesion) after cyclic freezing and thawing

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Open time

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Wetting ability

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Strength of the adhesive bond (adhesion) after exposure to an aqueous environment

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Strength of the adhesive bond (adhesion) after exposure to an air-dry environment

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Material on this issue is presented in the GOST R 56387 .

Question 2

To mix (dilute, mix) cement adhesive mixtures of class C1, it is necessary to use...

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Water

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Primer

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Water latex

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Synthetic oil

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Water-based latex mixture

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PVA - emulsion of polyvinyl acetate in water, with a plasticizer and special additives

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Adhesive milk

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Vegetable oil

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Material on this issue is presented in technical data sheets for cement adhesive mixtures.

Question 3

Adhesive mixtures must comply with the requirements of the GOST R 56387 standard and be manufactured according to technological documentation approved by the manufacturer. The main indicators of the quality of adhesive mixtures in a dry state are ...

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Color

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Largest aggregate grain size

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Content of grains of the largest coarseness

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Bulk density

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Humidity

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Low dust generation

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Material on this issue is presented in the GOST R 56387 .

Question 4

The symbol of adhesive mixtures must consist of the name of the mixture in accordance with GOST 31189, class designation, values ​​of basic quality indicators (if necessary) and standard designation. Adhesive mixtures are divided into the following classes...

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C2 - used for interior and exterior work and meeting increased requirements

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F – mixtures with extended open time

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E – mixtures with increased resistance to slipping

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S2− elastic adhesive mixtures

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C1 – used for interior and exterior work and meeting the minimum regulated requirements

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S1 – highly elastic mixtures

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T – quick-hardening adhesive mixtures

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C0 – used for laying tiles with normal water absorption (at least 5% by weight) only for interior work

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Material on this issue is presented in the GOST R 56387 .

Question 5

An example of a symbol for an adhesive mixture based on a cement binder, intended for interior and exterior work, meeting increased requirements, with increased resistance to slipping, increased open time and high elasticity.

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Dry construction adhesive mixture C2 FE S2, GOST R 56387

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Dry construction adhesive mixture C1 TE S1, GOST R 56387

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Dry construction adhesive mixture C2 TE S1, GOST R 56387

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Dry construction adhesive mixture C1 TE S2, GOST R 56387

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Dry construction adhesive mixture C2 TE S2, GOST R 56387

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Dry construction adhesive mixture C1 FE S2, GOST R 56387

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Material on this issue is presented in the GOST R 56387 .

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