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How to use the fluorescence method to distinguish non-woven fabrics

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How to use the fluorescence method to distinguish non-woven fabrics

Date of release:2018-01-22 Author: Click:

Today, the improvement of economic level, our concept of environmental protection is also growing, many manufacturers are also optimistic about the prospects for the development of non-woven bags are gradually into the industry to go, but the face of so many non-woven on the market Bag, how do we distinguish it from the true and false? Now Xiaobian summarizes some of the methods for your reference.

We have to distinguish between genuine and fake non-woven bags, we must first understand several parameters determine the quality of the product:

1, see the non-woven bag turner

It should be clear that stitching in non-woven bags is quite important. In order to save costs, cheap non-woven bags usually go for single lines when locomotives are being used. Hiring inexperienced workers makes the stitching less straight or even running.

2, see the number of grams of non-woven fabric

The grams here refers to the weight of non-woven fabric within 1 square meter, the heavier the weight of the non-woven fabric to use the more naturally the thicker the more robust, for the general business for the promotion of non-woven bags in order to save most of the cost For 80 grams of non-woven fabrics, 80 grams of non-woven fabrics can be reused about 10 times, feel thin 70 grams can withstand 4-5 kg weight, 80 grams can withstand 5-6 kg weight, and so on.

3, look at non-woven technology

A good quality non-woven bags are not only durable but also look good, very significant in the hands of the grade, the majority of non-woven bags on the market using screen printing, screen printing non-woven bags cheap, lines Clear, in addition to human factors, there is an important indicator is the pigment, some unscrupulous manufacturers use inferior stains lead to non-woven bags non-environmentally friendly or pungent odor.


Here for everyone to introduce specific methods to detect the true and false non-woven bags

Method one: water detection method

Non-environmentally friendly bags placed in the water, and press into the bottom, non-toxic non-small proportion of non-green bags, surfaced, poisonous non-green bags proportion, sinking.

Method two: fire detection method

Non-toxic non-toxic polyethylene bags non-flammable, blue flame, yellow on top, burning like candle tears dripping, paraffin smell, less smoke; toxic PVC non-flammable bag is not flammable, , The flame is yellow, the bottom is green, softening can drawing, hydrochloric acid irritating odor.

Method three: jitter detection method

Hold one end of non-environmentally friendly bags by hand, shaking hard, send crisp sound non-toxic; bored sound toxic.

Method four: sensory testing method

Non-toxic non-environmentally friendly bags were milky white, translucent, or colorless and transparent, flexible, feel smooth, waxy surface; toxic non-green bags color turbid or yellow, feel sticky.


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