How to choose a glass scraper

First of all, in the natural vertical state of the strip, observe its strip feeling - whether it is a straight line, and then see whether there are bubbles and gaps in the strip. This link is very important, if a glass scraper rubber strip has these defects, it will directly affect us in the scraping glass when leaving water marks and water stains, so that the efficiency is reduced, glass scraping is not clean. Secondly, then touch the rubber of the entire strip by hand to see if there are impurities (this is the key), impurities will scrape the glass and make the glass blurred, and even cracks. Then smell the smell of the rubber strip, should have a natural rubber smell, rather than a pungent smell. A good rubber strip is necessarily soft to the touch, tough, sharp and flat edges. Only such a glass scraper strip can clean the glass without leaving any water marks!