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Polyvinyl Chloride

Polyvinyl chloride is a thermoplastic polymer. It is a vinyl polymer constructed of repeating vinyl groups (ethenyls) having one hydrogen replaced by chloride. It is the third most widely produced plastic, after polyethylene and polypropylene. It is widely used in construction because it is cheap, durable, and easy to assemble. It can be made softer and more flexible by the addition of plasticizers, the most widely used being phthalates. In this form, it is used in clothing and upholstery, electrical cable insulation, inflatable products and many applications in which it replaces rubber.

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Potassium Chloraurate Purified 99%

potassium chloroaurate potassium chloraurate potassium tetrachloroaurate(III)

noble metal compound salt

precious salt


gold plating, pigment

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Potassium Ferrocyanide

Potassium ferrocyanide is a coordination compound. It can be used as an alternate nitrogen source for plants. It is often used as a gardening technique. Industrially, this complex is used in metal extraction and to make adhesives, computer electronics, fire retardants, cosmetics, dyes, nylon, paints, inks, plexiglass, pharmaceuticals, and rocket propellant. It is also used in low doses in some food preparation. It works as an anti-caking agent and it removes copper from red wine, as copper is used as a fungicide on grapes. In the laboratory, potassium ferrocyanide is used to determine the concentration of potassium permanganate, a compound often used in titrations based on redoxreactions.

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Praseodymium Fluoride Industrial Grade 99.5%

Praseodymium fluoride is bright blue powder, which tend to absorb moisture. It is insoluble. Pr2O3Pr6O11PrO2 or praseodymium nitrate is the raw material.

Praseodymium Fluoride

Purity: Pr/RE 99.5% 2N5

CAS No.:13709-46-1 EINECS No.:237-254-9 Molecular Formula:PrF3 Molecular Weight:197.90
Density:6.3 Melting Point:1395℃ UN 3288 6.1/PG 3  


Praseodymium trifluoride get uses in optical coating, vacuum deposition, laser crystal, raw material of monocrystal, laser amplifier and catalytic addictives. It is also raw material for praseodymium metal and additive of arc carbon rod.

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Praseodymium Hydride Industrial Grade 99.5%

Praseodymium hydride is rare earth metal hydride powder.

Praseodymium Hydride

Purity: Pr/RE 99.5% 2N5

Particle size: -100mesh, -200mesh

CAS No.:13864-03-4 EC No.:237-609-8 Molecular Formula:PrH3 Molecular Weight:143.93


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Praseodymium Nitride Industrial Grade 99.5%

Praseodymium nitride is black powder of NaCl type structure (a=0.515nm). It is a kind of rare earth nitride, which can process powder and sputtering target. Prasoeydmium chloride or praseodymium metal is the raw material.

Praseodymium Nitride

Purity: Pr/RE 99.5%

Particle size: -100mesh, -200mesh

CAS No.:25764-09-4 EINECS No.:247-244-6 Molecular Formula:PrN Molecul Weight:154.91


PrN is refractory material, magnetic material, semiconductor material, ceramic material and photoelectric material.

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QSil218 is a 2-component, silicone elastomer system specially designed for electronic potting applications. It offers good protection against impact damage and can be employed in areas where low flammability is a prerequisite. The cured product is a hard, medium to high modulus elastomer that can be repaired. QSil218 contains the platinum catalyst; great care should be taken when using automatic dispensing equipment.

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Rhenium Rod Industrial Grade 99.9%

Rhenium metal is silvery rod, bar, stick, plate, sheet, foil, strip, coil and powder. It exists in soot from calcinator for molybdenite and copper ore, which is byproduct of refining molybdenum and copper. Ammonium perrhenate (NH4ReO4) and potassium perrhenate(KReO4) are the raw materials.  Its chemical properties are close to manganese and technetium.

Rhenium Metal 

CAS No.:7440-15-5 EINECS No.: 231-124-5 Molecular Formula:Re Molecular Weight:186.207
Melting Point:3180℃ Boiling Point:5900℃ Density:21.04 UN 3178 4.1/PG 2


Rhenium metal bar is mainly for nickel-rhenium alloys, which apply to manufacturing combustor, turbine blade and exhaust nozzle of jet engine.  These alloys contains 6% rhenium at highest.

Rhenium can enhance physical property of tungsten. W-Re alloys have better plasticity at low temperature and high-temperature stability is better too, which is easy to process and shape. The change increase with the amount of rhenium increase, so W-Re alloy contains 27% rhenium, which is also the solublity limit of rhenium in tungsten. The alloys can apply to X-ray sources and thermocouple

In chemical industry, rhenium metal powder can use as catalyst for dehydrogenation.  Rhenium metal powder is raw material for Pt-Re catalys that is for producing gasoline without lead and high octane.  It is for spectral analysis too.

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Rhodium Chloride Hydrate Industrial Grade 99.9%

Rhodium chloride hydrate is dark red crystalline powder, which is a precious metal compound. It has odor of acid and tend to deliquesce. When temperature is above 100℃, it starts to decompose into Rh2O3 and HCl. Rhodium(III) chloride is soluble in water, hydrochloric acid, acetone and ethyl alcohol, however not soluble in diethyl ether. Sponge rhodium metal is the raw material.

Rhodium Chloride Hydrate

CAS No.:20765-98-4 EINECS No.:233-165-4 Molecular Formula:RhCl3.H2O Molecular Weight:209.26
Melting Point:100℃ UN1759 Rh≥38%  


Rhodium(III) chloride hydrate is a important chemical catalyst, which is for cleaning automobile exhaust and pharmacy. It is catalyst for reduction reaction of cinnamyl aldehyde, accompanying with coupled reaction of arylboronic acid. It is also catalyst when methane turn into acetic acid.

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Rhodium Hydroxide Industrial Grade 99%

Rhodium hydroxide is dark yellow powder, which is precious metal salt. It is insoluble in water. Rhodium(III) hydroxide is available with hydrate usually.

Rhodium Hydroxide

CAS No.:123542-79-0 EINECS No.:234-846-9 Molecular Formula:Rh(OH)3 Molecular Weight:153.93
Rh Content≥66%      


Rhodium trihydroxide is for chemical reagent, which apply to experiments.

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