Polypropylene (PP plastic) develops another excellent resin variety after nylon. It is a high density, no side chain, high crystalline linear polymer with excellent properties.

Difference between PP and PE The same: 1. PE, PP uncolored are all milky white translucent, waxy polymer. 2. Both are non-polar crystalline polymers with good compatibility. 3. Non-toxic, good chemical stability, easy to shape and process. 4. Poor weather resistance. The difference: 1. PP has better rigidity, strength and heat resistance than PE, and PE is easily decomposed by photooxidation, thermal oxidation and ozone. 2. PP density is smaller than PE, and PP density is only 0.90~0.91g/cm3. 3. PP toughness is poor at low temperatures

The design is very delicate, with exquisite logo on it, showing the perfect quality, cup body atmosphere, more in line with the use of high-end people habits. High-quality inner gall, special exquisite, large capacity no odor, very imposing, elegant and wonderful fashion insulation cup, thickened cup bottom, such a water cup is very stylish and very atmospheric, full of trendy atmosphere, can bring warmth, this insulation cup is relatively good, especially suitable for those outdoor travelers, sealing strong, Insulation effect is very good, not afraid to drink hot water.

No matter which season, drink more water is always beneficial to the body, promote the body's metabolism, to replenish the skin. I don't know if you're like Xiao knitting, and the cup wants to buy a nice one, even if it just exists on your desk or desk. In short, the good-looking cup is also like beautiful clothes, see also happy, from then on to drink water has become diligent.

Not all drinks can be drunk in a metal cup. Many cups now use metal-made inner gall, but if you have acidic drinks such as orange juice, it is best not to use this cup.

The baby uses a cup to drink water, can train his hand muscles, develop its hands-eye coordination ability. However, most of the babies at this stage do not want to make the cup, because the bottle has been used before, so will resist the use of cups to drink milk, drink water. Even then, parents should properly guide their baby to use the cup.

Food preservation is a big problem. If you buy too much, it will become stale after half a day. If you buy less,then you will have nothing to use when you need. But refrigerators are limited, and not everything can be crammed into them. So today I'm going to share with you some tips on how to keep f

In the process of muscle augmentation, the main function of exercise (especially high-intensity) is to destroy the muscle fibers on your body, and make the muscles grow stronger and stronger, that depends on the nutrients in the food, let's see what food helps to enhance the muscle?

People with travel experience will make a list of things to buy and take before they go out. The health care doctor reminds the passengers that they must not go out without a small medicine box