1. Water detection method: put the non-environmental protection bag in water and press it into the bottom of the water. Fire detection method: non-toxic polyethylene non-environmental protection bags are flammable, the flame is blue, the upper end is yellow, dripping like candle tears when burning, with paraffin smell, less smoke; toxic polyvinyl chloride non-environmental protection bags are not flammable, It is extinguished when it is removed from the fire, the flame is yellow, the bottom is green, softened and can be drawn, and there is a pungent odor of hydrochloric acid.
2. Vibration detection method: grab one end of the non-woven bag
with your hand and shake it vigorously. Those who make a crisp sound are non-toxic; those with a dull sound are poisonous. Sensory detection method: non-toxic non-environmental bags are milky white, translucent, or colorless and transparent, flexible, smooth to the touch, and have wax on the surface; toxic non-environmental bags are cloudy or yellow in color, and feel sticky.
3. Traditional plastic shopping bags are thin and easily damaged in order to save costs. But if you want to make him stronger, it will inevitably cost more. The emergence of non-woven shopping bags solves all problems. Non-woven shopping bags have strong toughness and are not easy to wear. There are also many coated non-woven shopping bags, which are not only strong, but also waterproof, feel good, and have a beautiful appearance. Although the cost of a single bag is a little higher than that of a plastic bag, the service life of a non-woven shopping bag can be worth hundreds or even thousands of plastic bags.
4. Since the release of the plastic restriction order, plastic bags will gradually withdraw from the packaging market of items, and will be replaced by non-woven shopping bags that can be used repeatedly. Compared with plastic bags, non-woven bags are easier to print patterns, and the color expression is more vivid. In addition, it can be used repeatedly. You can consider adding more beautiful patterns and advertisements to non-woven shopping bags than plastic bags. Because the loss rate of repeated use is lower than that of plastic bags, non-woven shopping bags are more cost-effective. And bring more obvious advertising benefits.