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Is polyurethane a plastic product?
- The polyurethane elastomer used for roller, conveyor belts, hoses, auto parts, shoe soles, synthetic leather, artificial organs and medical cable; soft foam cushion for a vehicle, bedroom, clothing, rigid foam for insulation, sound-absorbing, packaging, insulation and low foaming synthetic wood, paint, furniture for advanced vehicles wood and metal door, pond dam and building waterproofing materials and fabric coating etc.. Adhesives have good adhesion to metals, glass, ceramics, leather, fibers, etc.. In addition, polyurethane can be made into emulsion, magnetic material and so on.s
What is the plastic model?
- Thermoplastics: refers to the heat will melt, can flow into a mold cooling after molding, and then heated and melted plastic, can be used for heating and cooling, which produces a reversible change  (liquid vs. solid), is called a physical change.s
Medical plastic bag size
- According to the width, the plastic bag with chopsticks is only two cm wide, and the widest plastic bag can be 2000mm. The range is big enough.s
How can I remove the ink stains from the plastic leather?
- Benzene removal of ballpoint pen stains method: use 40 degrees of warm water soaked stains, and then rub benzene, and then washed with detergent, rinse with warm water.s
Is resin material PBT harmful to the body?
- Resins are chemicals and are naturally harmful.1, if it is not involved in food, non direct harm, the damage is very small.2, the skin for a long time to soak in the resin material, the skin damage is relatively large.s
What about plastic pipe material?
- Thermoplastics pipes: polyethylene pipe (polyethylene pipe, polyethylene gas pipe, polyethylene pipe, polyethylene structure wall with irrigation drainage, polyethylene pipe, communication PERT geothermal heating pipe, medical infusion tube such as polyethylene polypropylene pipe (PPR); hot and cold water pipe, MPP power cable protection sleeve); polyvinyl chloride (PVC) pipes (UPVC pipe, UPVC drainage pipe, UPVC pipe, UPVC pipe, electric power communication UPVC bushing, UPVC corrugated pipe, PVC pipe, PVC soft medical infusion tube); ABS pipe (ABS pipe, ABS pipe chemical); chlorinated polyvinyl chloride (CPVC) pipe (tube with hot and cold water, CPVC CPVC, industry) nylon tube (PA tube), polybutene (PB) pipe.s
The difference between disinfection and sterilization is briefly described
- Processing requirements to meet the different levels of the two. Disinfection requires only kill or / and remove pathogenic microorganisms, the number reduced to no longer causes disease. Sterilization requires not only kill or / and remove pathogenic microorganisms, but also for all microorganisms all killed or / and removed, including non pathogenic microorganisms.In conclusion, disinfection only requires the place and articles to reach harmless levels, while sterilization requires no live bacterias
PVC and plastic is a kind of thing?
- Divided by usage:General Plastics: such as polyethylene, polypropylene and polyvinyl chlorideEngineering Plastics: such as polycarbonate, polysulfone, polyphenylene oxide, polyamide, POMSpecial plastics: such as medical plastics, conductive plastics and high temperature resistant plasticss
what is silicone rubber
- Silicone rubber (SiliconeRubber) is a molecular bond properties of both inorganic and organic polymer elastic material, the primary key elements of its silicon atoms and oxygen ato...
What is natural rubber
- Natural rubber is commonly referred to as Brazil Hevea.It has been found in more than 2000 kinds of plants with plastic,such as rubber, cassava, rubber America, India fig, Africa a...
What is rubber banding
- Rubber banding of hydraulic and pneumatic drive system is the most widely used material. Rubber banding has excellent heat, cold, ozone resistance,and have the resistance to atmosp...
What is a rubber tree
- Rubber trees, deciduous trees, have milky sap. It requires average annual rainfall of 1150 to 2500 mm, but rubber trees should not be planted in areas of low humidity. Suitable for...
what happens when pipes freeze
- Water expands when it freezes.If it freeze then the water pipe will be broken. Most piping systems allow for expansion and contraction, but only to a certain point. Once there is n...