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What do you mean by the number on the bottom of the plastic aotosampler vials?

Time:2018/08/08   Pageviews:13    Share:
 This is an article about What do you mean by the number on the bottom of the plastic sampler vials. If you are interested, please contact us!

A brief analysis of the number at the bottom of a plastic autosampler vials

At the bottom of each plastic autosampler vials is a triangle with an arrow. Inside the triangle is a number

1 -- PET polyethylene terephthalate

Common in mineral spring water autosampler vials, carbonated beverage autosampler vialss and so on. Easy to deformation when the temperature of 70 , and there are harmful to human body material melt. No. 1 plastic may release the carcinogen DEHP after 10 months of use. This kind of autosampler vials can not be put in the car in the sun, cannot contain alcohol, oil and other substances.

2 -- HDPE high density polyethylene

Commonly seen in white medicine autosampler vials, cleaning products, bathing products. Don't use them as water cups or storage containers for other items.

3 -- PVC

Commonly seen in raincoats, building materials, plastic film, plastic boxes, etc. Plasticity is good, the price is cheap, so the use is widespread, peaked when the heat to 81 , high temperature easy to produce harmful substances, is seldom used in food packaging. Difficult to clean, easy to remain, do not reuse.

4 - PE polyethylene

Common in plastic film, plastic film, etc. High temperature has harmful substances produced, toxic substances with food into the human body, may cause breast cancer, newborn birth defects and other diseases.

5 - PP polypropylene

Common in soybean milk, yogurt, microwave oven, melting point 167 , is the only plastic products, can be put into the microwave oven can be reused after careful cleaning. It needs to be noted that some microwave meal boxes are made with no. 5 PP for the box body, but the cover is made with no. 1 PET.

6 -- PS polystyrene

It is commonly seen in bowls of instant noodles and fast-food boxes. Cannot put in microwave oven, lest because temperature is too high and release harmful chemical substance. Avoid packing hot food in a fast-food box, and don't cook instant noodles in a microwave.

7 -- PC polycarbonate

It is commonly seen in water autosampler vials, space cups and milk autosampler vials. Department stores often use these water cups as gifts. However, this kind of water glass can easily release the toxic bisphenol A, which is harmful to human health. In addition, when using this water cup, do not heat, do not bask in the sun.



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