What are Styrene-butadiene coatings and how are they commonly used?

What will be an ideal response?


? These water-based coatings are formulated using styrene and butadiene, producing a rubber-like film. They resist alkali well and are permeable to water vapor. Styrene-butadiene coatings are used as exterior fillers over porous concrete surfaces. Some formulations are used on interior masonry, plaster, and gypsum wallboard, producing a washable film that resists abrasion. They generally are not used on wood.

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A notched trowel

A) is used in laying thick-bed mortar. B) is used in laying grout. C) is used in laying thin-bed mortar. D) all of the above. E) is not used in laying floor coverings.

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Explain the difference between G60 and CP60.

What will be an ideal response?

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Arc flash often takes several hours to cause discomfort

Indicate whether the statement is true or false

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Unground or rough ends are more expensive than ground ends in compression springs.

Answer the following statement true (T) or false (F)

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