How to identify the raw materials of cosmetic

How to identify the raw materials of cosmetic plastic hoses?　　

1. Cosmetic plastic hose PP===100% plastic, polypropylene 　　 is light and tough, easy to process, and has good heat resistance. High impact strength at room temperature, high tensile strength, good rigidity, corrosion, difficult to paint, folding resistance up to millions of times, excellent electrical properties, and large shrinkage. PP. PE. PA is soft and bendable, it has a hard waxy feel to the touch, and a slippery feel. It has a soft horny sound when percussion, while PS. ABS. PC. PMMA has no ductility, and the percussion sound is crisp. The burning phenomenon of PP is roughly the same as that of PE, and there may be a small amount of black ash. After the flame is extinguished, the smell of oil is between kerosene and the like, which is non-toxic.　　

2. Cosmetic plastic hose LDPE===soft rubber, high-pressure low-density polyethylene 　　HDPE===hard soft rubber, low-pressure high-density polyethylene 　　VHDPE=== super-hard soft rubber, ultra-high-pressure polyethylene 　　 light and tough. Easy to process, good heat resistance, good low temperature toughness, harder and impervious to water, but good abrasiveness, PE is flammable, it can still burn after leaving the fire, the flame is yellow and blue when burning, and there is very little blackness. Near the flame, Plastic has the phenomenon of melting and dripping, similar to the flow of candles. After the flame is extinguished, there is a more obvious burning odor of paraffin, non-toxic PE. The specific gravity of pp is less than that of water and floats on water. Most of the other plastics have a larger specific gravity than water and sink into water.　　

3. Cosmetic plastic hose PC=== bulletproof rubber, colorless and transparent polycarbonate, the impact strength is the first of plastics, excellent electrical properties, anti-aging, low shrinkage, stable product size, PC burning phenomenon close to PS but burning speed Slowly, after leaving the fire, it will extinguish slowly. The flame is yellow with black charcoal beams. It melts and foams when it burns, and it smells like flowers and fruits after it is extinguished.　

4. Cosmetic plastic hose PMMA===plexiglass (acrylic) 　　 polymethyl methacrylate has excellent transparency, can be dyed into various colors, is brittle and easy to crack, has poor surface hardness and is easy to scratch. Good leakage resistance. The primary colors of PMMA and PS are both transparent, but the burning situation is different. PMMA has no charcoal escape, while PS does. When PMMA burns, the flame is light blue and the top is white. When burning, it melts and bubbles, giving off a strong smell of flowers and fruits and rotten vegetables. Stinky, with emblem poison.　

5. Cosmetic plastic hose PS===hard rubber (ordinary hard rubber), polystyrene, transparent and brittle, HIPS===not broken, modified polystyrene, elastic. Toughness and high impact strength 　　 ABS === ABS glue. Super glue-free, acrylonitrile-butadiene-styrene, easy to electroplate. high strength. Resistant to impact, cold, abrasion and corrosion.　　SAN(AS)===transparent non-breaking glue, styrene-acrylonitrile copolymer 　　EPS===foamed rubber, expanded polystyrene　　PS primary color is transparent, HIPS primary color is milky white, ABS primary color is light ivory.　　PS. HIPS. The main difference between ABS is: PS is more brittle, HIPS and ABS have better toughness. When bending the sample, PS is easy to be brittle, HIPS and ABS are difficult to break, and the bending part is white. PS primary color is transparent, HIPS primary color is milky white, ABS is light tooth color. PS. HIPS. Both ABS and ABS are flammable and can continue to burn after removing the fire source. The flame is yellow with thick black charcoal beams, which escape with the gas. PS charcoal beams are slightly less. When burning, the plastic surface near the flame softens It is not easy to drip. The surface of PS and HIPS will foam. ABS does not foam but is in a coked state. The odors emitted by these plastics are very different when they are extinguished. PS has a monomeric smell of styrene, and ABS emits a pungent smell. The smell is toxic.　　 Plastic Products Co., Ltd. is mainly engaged in: Henan plastic cosmetic hose, plastic cosmetic hose, Henan plastic pot spray cosmetic hose, cosmetic plastic hose, blister packaging egg inner tray, detergent pot, etc.