Nowadays, the improvement of economic, our concept of environmental protection is also growing, now hangzhou bond non-woven has won many people's love, many manufacturers are also bullish on the development prospects of non-woven bag, are input into the industry, but in the face of so many on the market of non-woven bag, how we want it to distinguish between true and false? Now I have summarized some methods for your reference. To distinguish the true and false from the non-woven bag, we need to know several parameters that determine the quality of the product.
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How to tell the true and false of nonwoven cloth?
Author：znyswl Addtion Date：2018-04-10 18:18:23 View：
Look at the non-woven bag.
It should be clear stitching process of non-woven bag is quite important, cheap non-woven bag to save cost when the locomotive go line usually only go one, to hire inexperienced worker ran line product suture line is not straight and even.
2. The number of non-woven bookers.
Grams here refers to 1 square meters in the weight of non-woven fabric, the heavier weight of the use of non-woven fabric is naturally the more more thick more strong, for promotional non-woven bags for ordinary enterprises to save costs mostly used 80 grams of non-woven fabrics, 80 grams of non-woven fabrics can repeat 10 times, probably feel thin 4-5 kg weight 70 grams, affordable, can bear 80 grams of 5-6 kg weight, and so on.
Look at the non-woven technology.
A good quality non-woven bag will look nice when they're not only sturdy and still show class, hold it in hand very, non-woven bags on the market most use silk screen printing, screen printing non-woven bag is cheap, clear lines, in addition to human factors is another important indicator of pigments, some unscrupulous manufacturers use inferior stain result in environmental protection non-woven bag even has a pungent smell.
The following is to introduce the concrete method to detect the true and false of the non-woven bag.
Method 1: water detection method.
Put the non-reusable bag in water and press it into the water. The proportion of non-toxic non-environmental bags is small, but it can surface.
Method two: fire detection method.
Non-toxic polyethylene non-environmental bags are flammable, the flame is blue, the top yellow, burning like a candle dripping, there is the smell of paraffin, smoke less; The toxic polyvinyl chloride non-environmental bag is not flammable, is extinguished from the fire, the flame is yellow, the bottom is green, softening can pull the silk, have the pungent smell of hydrochloric acid.
Method 3: jitter detection method.
Use your hands to grab the non-green bag and shake it vigorously. A dull voice is poisonous.
Method 4: sensory detection.
Non-toxic non-environmental bags are milky white, translucent, or colorless transparent, have flexibility, feel lubricious, the surface seems to have wax; Toxic non - environmental bag color turbid or yellow, feel sticky.
After you have seen the method of the introduction, do you have a little understanding of the true and false of the non-woven bag? I hope the method can help you.