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Plastic small common sense: plastic bottle bottom triangle with digital means

Published on:2015/1/30 11:26:33

Keyword:Plastic bottles, boxes, PE, plastic box, plasticizer, plastic containers, PET, resin, polypropylene, plastic film
Introduction:Plastic bottle at the bottom of the figures in the triangle is the American association of Plastics Industry (SPI, the Society of Plastics Industry) f...

Plastic bottle at the bottom of the figures in the triangle is the American association of Plastics Industry (SPI, the Society of Plastics Industry) for plastic products using plastic types of code, is in the circulation of three arrows represent the triangle in the middle, and a digital sign, they will be the recovery of the triangle tag attached on the plastic products, with the number 1 to 7 with abbreviations to refer to as applied to the plastic resin type.As a result, plastic varieties identification becomes simple and easy, recycling costs got substantial cuts.The world's many countries have adopted the SPI identification scheme.Domestic established in 1996, with nearly identical logo standards.When using plastic containers, be sure to see the bottom of the plastic bottles in the triangle mark number, but to understand the material performance was able to operate in a comfortable environment.Can often see water bottles on the market through national testing, safe use.Below is plastic bottle bottom number represents kinds of plastic resin:




Plastic bottle bottom triangle
to add the meaning of Numbers
& have spent& have spent& have spent& have spent& have spent& have spent& have spentTo see in the daily life of the plastic bottle at the bottom of the figure 1,2,4,5: main mineral water bottles, commonly labeled at the bottom of the 1, 4 liter bottle nongfu spring, sign at the bottom of the 2, plastic hot cup of tea, sign at the bottom of the five.Every bottle of the exact meaning of the following:

01:
PET terephthalic acid glycol polyesterOften can see water bottles, carbonated beverage bottle, etc.Heat to 70 ℃ is easy deformation, RongChu harmful substances.01 PET made into beverage bottle can hold the normal temperature water in a short period of time, but it can't hold high temperature water, unfavorable also acid alkaline beverage.

02 # : HDPE HDPE
Identified as & other;No. 2 & throughout;The plastic container is made into high density polyethylene HDPE, often can see in the white bottle, cleaning supplies, bath products.Such products because it is not easy to clean, so not suitable for used as water glass, etc., and don't use cycle.

03: PVC (and & other V”)Polyvinyl chloride (PVC)

& have spent& have spent& have spent& have spent& have spent& have spentNo. 04: LDPE PE
& have spent& have spent& have spent& have spent& have spentCommonly used in raincoat, building materials, plastic film, plastic boxes, etc.Because of these two kinds of material plasticity is good, the price is low, so the use of common.But their heat temperature is low, high temperature decomposition can release harmful material from time to tome, so very little used in food packaging.And these two kinds of material of the container itself is difficult to clean, easy to cause residual, is not suitable for the drinks.

05 number:
PP polypropylene& have spent& have spent& have spent& have spent& have spentCan be used to make the microwave boxes, into the microwave oven and the only one able to plastic box, can repeat use.

No. 6: PS polystyrene,
Often can see bowl of instant noodles box, snack box.Can't into the microwave oven, so as not to release chemicals because the temperature was too high.Acid (such as orange juice), alkaline substances, decompose the carcinogens.Avoid using snack box packaging hot food.Don't use the microwave oven cooking bowl of instant noodles.

Other class
# 7: the PCOften can see the kettle, space cup, bottle.Department stores often use such material glass as gifts.Easily, releasing toxic substances, bisphenol A is harmful to human body.When using do not heat, do not direct drying in the sun.

At present, international & other;Daily use of plastic bottles of drinking water causes cancer & throughout;Also there is no clear scientific basis.However, some not normal manufacturer production waste plastic products, and add a large number of materials such as plasticizer, this kind of product is a carcinogenic risk.According to the relevant provisions of China, recycling and outsourcing of infected materials cannot be used for producing food with plastic packaging container tools and other products.Produced by the plastic recycled bottles, containers, usually coarsely, didn't have a trademark, nor the recycling logo.The product itself is very thin, almost hand a pinch will deformation, accompanied by acrid odor;Will cause harm to human body.Plasticizer into gas, for example, to move into the body causing symptoms such as shortness of breath, heart rate, if absorbed by a large number of may cause central nervous system disorders and gastrointestinal discomfort.

Key-word:Plastic bottles, boxes, PE, plastic box, plasticizer, plastic containers, PET, resin, polypropylene, plastic film