Red Seal Glazier Practice Exam 2025 – 400 Free Practice Questions to Pass the Exam

Question: 1 / 400

What is a common characteristic of non-abrasive glass cleaners?

They contain harsh chemicals that can damage surfaces

They leave streaks on glass surfaces

They are safe for use on coated glass surfaces

Non-abrasive glass cleaners are specifically designed to be gentle on all types of surfaces, particularly coated glass surfaces that can be sensitive to harsh chemicals or abrasive materials. These cleaners typically utilize mild formulas that avoid the aggressive agents used in abrasive cleaners, which helps to prevent any potential damage to delicate coatings, such as low-E (low emissivity) coatings found on energy-efficient windows.

This characteristic is important because it allows for effective cleaning without the risk of scratching or degrading the glass or any protective coatings that may be present. Therefore, using a non-abrasive cleaner ensures that the integrity and clarity of the glass are maintained, making it an excellent choice for residential and commercial use, particularly in areas that rely on such coatings for energy efficiency or aesthetics.

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They are usually significantly less effective than abrasive cleaners

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