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PM2.5 is the abbreviation for fine Particulate Matter with a diameter smaller than 2.5 microns. (By comparison, human hair diameters range from 40 to 120 microns.) PM2.5 is produced by combustion, including vehicle exhaust, and by chemical reactions between gases such as sulfur dioxide, nitrogen oxides, and volatile organic com...
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Pneumatic positioners. These devices receives a pneumatic (air) signal from the controller and output a pneumatic signal to the actuator.Analog, or electro-pneumatic, positioners. Here, the input signal is electrical, rather than pneumatic.Digital, or smart, positioners. These positioners also receive an electrical signal, but ...
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Polarized sunglasses are manufactured with a polarizing filter inserted between the lens layers. Polarized sunglasses help people deal with the ever-present outside glare when they are used by people on boats and near the water for many years. Polarized sunglasses can be helpful for driving, boating and fishing.
The globa...
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Poly (ether-ketone-ketone) (PEKK) is a semi-crystalline thermoplastic in the PAEK (Poly Aryl Ether Ketone) family, with high heat resistance, chemical resistance and the ability to withstand high mechanical loads.PEKK is a part of the high Performance of Poly Aryl Ether Ketone (PAEK) polymer family
The global Poly (ether-...
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Poly (ether-ketone-ketone) (PEKK) is a semi-crystalline thermoplastic in the PAEK (Poly Aryl Ether Ketone) family, with high heat resistance, chemical resistance and the ability to withstand high mechanical loads.PEKK is a part of the high Performance of Poly Aryl Ether Ketone (PAEK) polymer family.The other PAEK polymers are P...
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Polybutylene (polybutene-1, poly(1-butene), PB-1) is a polyolefin or saturated polymer with the chemical formula (C4H8)n. It should not be confused with polybutene, a low molecular weight oligomer.
The global Polybutene-1 (Resin) market will reach xxx Million USD in 2018 and with a CAGR if xx% between 2019-2025.
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Polycarbonate diol (PCD) is a kind of polyol chemical materials, with two ends -OH functional group molecular, and molecular weight ranges from hundreds to thousands. Its molecular chain contains aliphatic alkyl and carbonate repeat unit, chemical property resemble aliphatic polyester and polyether polyol rather than general po...
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Polyester staple fiber (PSF) is kind of polyester fiber made directly from PTA & MEG or PET chips or from recycled PET bottle flakes.This report mainly covers the polyester staple fiber product which has the flame retardant performance. They are mainly used in the fields of clothing, home textiles, public utility, others
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Polyethylenimine (PEI) is a polymer with repeating unit composed of the amine group and two carbon aliphatic CH2CH2 spacer. Linear polyethyleneimines contain all secondary amines, in contrast to branched PEIs which contain primary, secondary and tertiary amino groups. Totally branched, dendrimeric forms were also reported. PEI ...
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Polylactic acid (PLA) is an aliElectronics & Softwaretic polyester made up of lactic acid (2-hydroxy propionic acid) building blocks. It is also a biodegradable and compostable thermoplastic derived from renewable plant sources, such as starch and sugar. PLA can be processed through different production lines including inj...
