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90637 Sigma-Aldrich

Micro particles based on melamine resin

size: 2 μm

Synonym: Melamine-formaldehyde resin, Size standards



Related Categories Biochemicals and Reagents, Microparticles, Microparticles based on melamine resin More...
form   aqueous suspension (unless otherwise indicated)
concentration   10% (solids)
particle size   2 μm std dev <0.1 μm, coeff var <3%


Analysis Note

For every lot, exact values of particle size and standard deviation are determined with an accuracy of 0.01 μm using a Coulter Multisizer.
Density: 1.51 g/cm3
Heat resistance <300 °C
Chemical resistance: acids, bases, organic solvents.
Monodispers melamin resin particles are characterized by high uniformity and narrow size distribution. They carry functional methylol groups, which can be used for covalent coupling of biological active compounds.
Additional advantages of melamin resin particles are:
• hydrophilic surfaces
• high degree of cross linking and high pressure resistance
• long term stability in aqueous media (freezing and thawing does not damage them)
• lyophilization and resuspension in aqueous media does not damage them (powders are available on request)
• no swelling in organic solvents

Other Notes

Same product — same quality — now Sigma-Aldrich brand

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Safety & Documentation

Safety Information

Personal Protective Equipment 
NONH for all modes of transport
WGK Germany 


Certificate of Analysis

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