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We are specialized in the manufacture of Particle Standards. For Uniform Polystyrene Microspheres, the particle size range is from *0nm to **0μm.We can provide both reagent grade and industrial grade. 
By the way, the nano-scale particle size standards (＜1μm) are nanospheres of either polytyrene or polyacrylate which can be non-crosslinked or highly crosslinked. The micron-scale particle size atandards(＞1μm) are highly crosslinked polymers.
Whats more, We could also offer the broadest range of particle size standards that are matrixed on polyacrylic or silica dioxide.
You are welcome to visit our website which includes our company profiles, history and something latest designs.

Applications
1、Flexible Display
2、Chemicalsensor
3、Structured template


Non-Crosslinked Polystyrene Particles

 Janus provide hightes quality and most complete line of monodispers polystyrene particles for laboratory and large scale development in industry. The particles are non-crosslinked and therefore soluble in good solvents such as acetone,chloroform, THF,toluene, etc. These PS particles can be used for a wide range of applications. Among them are, for example, particle size standards, coating,LED, solar battery, clinical diagnostice kit,etc.
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Crosslinked Poly(styrene-co-divinylbenzene) Particles

Monodisperse highly crosslinked polystyrene microparticles offered by Janus. Compare to non-crosslinked polystyrene particles, corsslinked polystyrene particle have much higher physical and chemical stability and they are insoluble in organic solvents. These microspheres have excellent mechanical strength and show good dispersion as dry powder.