Cleanroom Metrology LLC

719-850-4215

[email protected]

2550 South County Road 100

28 Years Providing Cleanroom Foggers for USP797 and ISO Standard 14644-3 Smoke Studies, Calibration Wafer Standards and Particle Size Standards

Dry Polystyrene Microspheres CRM4340A

$495.00

Dry Polystyrene Microspheres CRM4340A, Diameters of 200 μm and larger are packaged as Dry Polystyrene Microspheres crosslinked with divinylbenzene (PSDVB). The Dry particles are highly accurate in size diameter and lot-numbered for convenient technical service and support after the sale. Each Bottle includes a Certificate of Calibration and Traceability to NIST, which includes a description of the calibration method and its uncertainty; Table of chemical and physical properties; Material Safety Data Sheet. Typically sold in 1 gram volume per bottle, but can be special ordered at higher volume per bottle.

Additional information

Particle diameter size	400 μm
Typical size distribution	3.1% CV, s = 12.2µm
Concentration	1 gram, 2.8 x 104 / g

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Dry Polystyrene Microspheres

Polystyrene Microspheres

Polystyrene Microspheres

Polystyrene Microsphere

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Description

Specifications
Additive	May contain trace amount of surfactant to inhibit agglomeration and promote stability
Certifications/Compliance	Each package of standards contains a Certificate of Calibration and Traceability to NIST which includes a description of the calibration method and its uncertainty, and a table of chemical and physical properties.
Concentration	SEE ABOVE SPEC
Contents	Uniform dry spheres
Description	NIST traceable particles that provide calibration of laser particle counters
Color	White or Colorless
For Use With (Application)	Narrow Size Standard Deviation Applications
Material	Polystyrene
Product Type	Particle Size Standards
Includes	Certificate of Calibration and Traceability to NIST
Particle Density	SEE ABOVE SPEC
Volume	1 gram
Refractive Index	1.49 at 589nm (25°C)
Size Distribution	SEE ABOVE SPECs
Stability	Product stable for a minimum of 24 months
Diameter (Metric)	SEE ABOVE SPEC
Unit Size	Each

Additional information

Particle diameter size	400 μm
Typical size distribution	3.1% CV, s = 12.2µm
Concentration	1 gram, 2.8 x 104 / g

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