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What bio degradable materials can be used to replace polystyrene as a pakaging materials?
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Do balloons degrade?
Do Foil Balloons Degrade？ Whether the foilballoon can be degraded depends on its choice of materials for the productionof foil balloons. At present, the foil balloons that can be seen in the globalmarket are made of Polyamide (referred to as PA) compounded with polyethylene(referred to as PE) or by Mylar (referred to as PET) ) materials made ofcomposite PE, these two composite materials are not degradable materials, andit takes 200 to 400 years for them to degrade completely. So is there a kind of material that can degrade foil balloons? After Kunshan Fair craft products Co., LTDcooperated with many scientific research units to concentrate on research anddevelopment, and invested a lot of manpower, material resources and financialresources, in order to solve technical problems, hundreds of repeatedexperiments were carried out. Through repeated experiments and technologicalinnovation, foil alloys were developed and produced. The degradable material ofmembrane balloon fills the gap in the field of degradable foil balloon in theworld, and successfully solves a series of problems such as high ductility,easy air leakage and poor sealing of ordinary degradable materials. The first thing to be solved in fairness is that the ductility ofordinary degradable materials is too high, and our foil balloon does not needtoo high ductility. After repeated tests and material ratio adjustment, theideal state can be achieved. The ductility also ensures the toughness of thedegradable material. After we make the degradable film into a balloon, because the ordinarydegradable film does not need to bear a lot of inflation pressure, theairtightness of the resulting balloon is very poor, and the two-layer scaldingport is easy to rupture when the inflation is sufficient. , which leads to thefatal problem of short air retention time of the balloon. It is fair to adjustthe ratio of the degradable film PLA, PBAT and other components to achieve theadvantages of not breaking the balloon after inflation and long air retentiontime. Comparison of performance and main parameters of degradable balloon and foil balloon.png Comparison of performance and main technical parameters of degradable balloon and foil balloon Fortunately, with the support, cooperation and efforts of fair andrelevant scientific researchers, we have overcome these problems one by one andachieved the performance of mylar balloon step by step. Our degradable balloonwill definitely replace the foil balloon produced by traditional PA and PETmaterials. degradable foil balloon.png degradable balloon.png Environmental pollution has become a major threat facing the world.Fairly adheres to the business philosophy of sustainable development andprotects our earth home. Through technological innovation, we will continue topromote the progress of the ecological environment, and work with theInternational Union for Conservation of Nature (IUCN) to jointly protect thegreen future of the earth and make greater contributions to the development ofenvironmental protection.
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Why does polystyrene melt when in contact with plastic electrical cable insulation?
AnswerIsn't polystyrene commonly known as "styrofoam" ?If so, why is it coming in contact with electrical wiring?In any event, if the polystyrene is melting, the wiring may be overloaded or has a hotspot due to a failure. The wire may be getting hotter than it should be.I am not aware of any chemical reaction that would occur if the two plastics touch each other at room temperature.I am:-Polystyrene is commonly used in loft and wall insulation, just the places that cables are run. The plasticisers used to make the PVC insulation on the cables flexible reacts with the polystyrene resulting in the polystyrene appearing to 'melt' and the plasticiser migrates out of the cable making it brittle and causing the insulating properties to break down. The cable will eventually fail, especially if disturbed and this is both a fire and electrocution risk.There is the added problem that the cables will get hotter due to the thermal insulation properties of the polystyrene preventing the cable from losing heat. If this hasn't been allowed for in the design of the circuit it too could be a fire hazard.The wiring regulations (BS7671 section 522.5.3) prohibits contact between PVC cables and polystyrene, but this is a common problem. An electrical engineer (or most electricians) can do a periodic inspection of your wiring system that includes insulation tests that will identify failed or failing cables. The only solution is to replace damaged cables and reroute them or provide conduit to protect them.PS Styrofoam is, I believe, an American brand name for polystyrene often associated with disposable coffee cups and similar products.
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Why do cookies dissolve in milk?
For something to dissolve the molecules have to interact. When the milk is hot its molecules are moving faster and they have more energy. This means: a/ The milk molecules are moving faster (on average) so they will move further each second and therefore bump into the sugar molecules more often. b/ The milk molecules are more likely to dissolve a sugar molecule when they bump into them. The reason for this is a bit complex and involves quantum mechanics but if we simplify a lot think of it as throwing marbles at a piece of polystyrene. If we throw a marble slowly it is likely to bounce off without damaging the polystyrene, if we throw a marble hard it is likely to chip off a bit of the polystyrene. Replace marble with milk and polystyrene with sugar and you have a simplified model.
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It is important because you need to think because if you don't think then you might mess up the materials. If the materials are messed up then its a bad thing because they are expensive to replace. Uploaded by tjarosick
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