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.
Explain the difference between G60 and CP60.
What will be an ideal response?
Arc flash often takes several hours to cause discomfort
Indicate whether the statement is true or false
Unground or rough ends are more expensive than ground ends in compression springs.
Answer the following statement true (T) or false (F)