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commercial hand car wash equipment

2025-08-14 07:07
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    3. Foam Brush A foam brush allows for a gentle scrubbing of the car’s surface without causing scratches. It is particularly useful for areas that require more attention, such as wheels and tires.


    The antimicrobial activity of sorbic acid and its salts is attributed to their undissociated acid molecule. And therefore their efficacy is pH-dependent. The upper limit for its inhibitory activity is at 6.5 in most applications. The lower the pH, the better as a result of more undissociated sorbic acid. However, this upper limit can be raised in low water activity-solutions.