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What is the difference between polyaspartic and polyurethane coatings?
ScottJarvis
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What is the Difference between HVAC and AHU?
What is difference between hvac and ahu
What is difference between BE and BTech degrees?
no difference
What is the difference between Two and Four Stroke IC engine.Thermodynamically?
There is no thermodynamic difference between them .
What is the coefficient of friction between polyethylene and polyurethane?
polyethylene Average: 1.42 polyurethane Average: 0.25
Is polyurethane epoxy a resin?
Polyurethane isn't epoxy, but they're both resins. They're also both reaction copolymers--you get either one through a chemical reaction between two components. The difference is, epoxy contains epoxide and polyamine; polyurethane contains a complex alcohol (either a "diol" or a "polyol") plus an isocyanate.
What is the difference between powder and ceramic coating?
Powder coatings are flexible, have good weatheribility and mehcnical properties. Powder coatngs generally cure at 200 deggree for 10 min Powder coatings could be theromosetting (polyester or epoxy) or thermoplastic (LDPE, HDPE etc) Powder Coatings have limited chemical resistance. Ceramic coatings are generally brittle. Have excellent chgecmical resistance Cure at around 800 seegree centigrades
What is the difference between a polyurethane PU coating and a thermoplastic polyurethane TPU coating?
A thermoset is a material that cures or sets into a given shape, generally through the application of heat. A cured, thermoset material will not remelt or otherwise regain the processibility it had before being cured. Curing changes the material forever. A thermoplastic material softens (becomes pliable and plastic) when heated, but it does not cure or set. It can be reheated to be reformed.
What is the difference between the flexible and rigid PU foam?
The Young modulus and the yield strength are very different for these types of polyurethane,
What is the difference between breading and battering food?
Before foods are deep-fried or pan-fried, they are normally smothered in a dry or wet coating. Dry coatings are often referred to as "breadings" since they frequently, but certainly not always, include the use of bread crumbs. Wet coatings are called batters. Breadings can be used when deep-frying or pan-frying. Batters are exclusive to deep-frying.
Why is polyurethane foam a good insulator?
cuz it has a lot of air particles in between which allows the sound to travel slower.
Are there different types of polyurethane?
Plastics are developed for various purposes, and often blended together to achieve what the company is looking for in performance. In the case of polyurethane, there are versions that are soft foam for mattresses, rigid foams, other in between, and also rigid.
What is the difference between lining and coatings?
Linings are materials used to protect a container from corrosion and/or to protect the contents of a container from contamination by the container shell material. They are commonly thick, built-up systems that may or may not contain matting or similar reinforcing material. Coatings generally refer to materials used for protective and/or functional purposes, while paints refer to materials used for aesthetics or decorative purposes. When coatings are used singly or in combination with reinforcing materials like matting, etc., they are termed as "lining", like for lining the inside of drinking water tanks. However, there exist many similarities in composition, handling, and the use of paints, coatings and linings. There are also some differences. Shihui Zhou Shihui.Zhou@googlemail.com
where can I find Polyurethane Foam?
The reaction between an isocyanate prepolymer and a polyol in the presence of a blowing agent with an amine as catalyst results in the formation of polyurethane foam. Different types of polyurethane foams like flexible polyurethane foam, rigid polyurethane foam, thermoplastic polyurethane etc. are widely used for a variety of purposes.Polyurethane foams are mainly used in bedding and carpet underlay, furniture, rigid foam insulation panels, gaskets, electrical potting compounds, durable elastomeric wheels & tires etc. With an increase in its applications, the market demand for PU foams is also increasing.There are several general trading companies that are well known to be the leading polyurethane foam suppliers, PU foam scrap supplier, polyurethane trim foam supplier etc. If you are concentrated in the UAE, the Middle East or African regions, then I would like to suggest the UAE based general trading company Fortune Emirates. They are the regular PU foam scrap supplier, polyurethane trim foam supplier and polyurethane foam suppliers in UAE. You can avail quality PU materials from this polyurethane foam supplier in UAE at pocket friendly prices.
What is difference between as on and as at?
difference between as on and as at
What is the difference between a chewable and an enteric coated tablet?
An enteric coated tablet has a shell that prevents it from dissolving in the stomach. If chewed the shell will be broken and the medicine will encounter the stomach wall. Enteric coatings seek to prevent this because some medicines are harmful to the stomach but not to the small intestine where they are digested.
