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Tygon LFL (Long Flex Life) pump tubing is non-toxic clear tubing with broad chemical resistance. [ citation needed ] It is often used in product filtration and fermentation and surfactant delivery. Tygon 2275 High Purity Tubing is a plasticizer-free material that is often used in sterile filling and dispensing systems and diagnostic equipment.
In addition, chemical compatibility refers to the container material being acceptable to store the chemical or for a tool or object that comes in contact with a chemical to not degrade. For example, when stirring a chemical, the stirrer must be stable in the chemical that is being stirred. Many companies publish chemical resistance charts.
There are a couple of newer tubing developments that offer broad chemical compatibility using lined tubing and fluoroelastomers. [ citation needed ] With lined tubing, the thin inside liner is made of a chemically resistant material such as poly-olefin and PTFE that forms a barrier for the rest of the tubing wall from coming in contact with the ...
PVC is used extensively in sewage pipe due to its low cost, chemical resistance, and ease of jointing. Phthalate plasticizers are essential for the utility of PVC, which is too brittle otherwise. [9] Due to its suitable properties and the low cost, DEHP is widely used as a plasticizer in manufacturing of articles made of PVC. [9]
Octadecyl 3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate is significantly less volatile than simpler phenolic antioxidants such as butylhydroxytoluene (BHT). This makes it more suitable to stabilising plastics, as it is not driven out by the high temperatures experienced during plastic extrusion and moulding, [2] when they are heated to 150-320 °C (300–600 °F). [3]
Oxygen compatibility is the issue of compatibility of materials for service in high concentrations of oxygen. It is a critical issue in space, aircraft, medical ...
3,4-Dihydropyran (DHP) is a heterocyclic compound with the formula C 5 H 8 O. The six-membered C 5 O ring has the unsaturation adjacent to oxygen. The isomeric 3,6-dihydropyran has a methylene separating the double bond and oxygen.
Its chemical formula is (C 2 H 2 F 2) n. PVDF is a specialty plastic used in applications requiring the highest purity, as well as resistance to solvents, acids and hydrocarbons. PVDF has low density 1.78 g/cm 3 in comparison to other fluoropolymers, like polytetrafluoroethylene .
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