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

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

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Wetting ability

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

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Transverse deformation

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Open time

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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

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 ready for use (freshly prepared) are ...

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Minimum Density

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Average density

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Open time

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Water holding capacity

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Humidity

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Resistance to slippage

Correct
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Maximum Density

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

Question 3

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

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Vegetable oil

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Water

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Adhesive milk

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Primer

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

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Water-based latex mixture

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Water latex

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Synthetic oil

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

Question 4

What requirements must be met for adhesive mixtures in a dry state?

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The moisture content of adhesive mixtures should not exceed 0.30% by weight

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The content of grains larger than 0.63 mm in the adhesive mixture should not exceed 0.50%

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The amount of cement in the adhesive mixture must exceed 35% of the mass

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The bulk density of the adhesive mixture should not exceed 1600 kg/m3

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The largest grain size of the adhesive mixture should not exceed 0.63 mm.

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The specific effective activity of natural radionuclides of adhesive mixtures should not exceed the limit values ​​​​established by GOST 30108

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

Question 5

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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Your AnswerOptionRight?Result
Selected

Color

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-1

Content of grains of the largest coarseness

0

Humidity

0

Bulk density

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Low dust generation

Incorrect
-1

Largest aggregate grain size

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

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