
Products
SHBC provides colored microspheres, fluorescent microspheres, magnetic beads, silica microspheres, chromatography packing microspheres and biological reagents for diagnostic assay development, nucleic acid extraction, protein purification and separation applications.
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PS40UM
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5%
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40 μm
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10 mL / 20 mL / 100 mL / 1000 mL
40 μm Polystyrene Beads
PS40UM Polystyrene Beads are 40 μm polystyrene microspheres supplied as a suspension with 5% solid content.
These micron-sized PS beads provide a defined particle platform for particle counting, filtration research, instrument testing, particle transport studies, sedimentation research and analytical method development.
PS40UM is available in 10 mL, 20 mL, 100 mL and 1000 mL package sizes.
Key Features
40 μm polystyrene beads
5% solid content
Micron-sized polystyrene microspheres
Defined 40 μm particle size
Suitable for particle counting studies
Suitable for filtration research
Suitable for instrument testing
Suitable for model particle studies
Multiple package sizes available
Technical Specifications
Parameter | Specification |
|---|---|
Product Code | PS40UM |
Product Name | Polystyrene Beads |
Material | Polystyrene (PS) |
Particle Size | 40 μm |
Solid Content | 5% |
Form | Microsphere Suspension |
Package | 10 mL / 20 mL / 100 mL / 1000 mL |
Applications of 40 μm Polystyrene Beads
PS40UM 40 μm Polystyrene Beads can be evaluated for:
Particle counting studies
Particle size research
Filtration and membrane studies
Instrument performance testing
Analytical method development
Particle transport research
Sedimentation studies
Particle retention studies
Model particle experiments
Materials science research
40 μm Polystyrene Microspheres for Particle Counting
PS40UM provides 40 μm polystyrene microspheres for compatible particle counting and analytical research.
The defined nominal particle diameter provides a useful model particle platform for experiments involving particle detection, counting response and analytical method development.
For applications requiring certified or traceable calibration values, an appropriately certified reference material should be selected.
40 μm Polystyrene Beads for Filtration Research
The 40 μm particle size makes PS40UM suitable as a model particle for compatible filtration and membrane studies.
Potential applications include:
Filter performance studies
Particle retention research
Membrane evaluation
Filtration efficiency studies
Particle breakthrough research
Filtration method development
The suitability of PS40UM should be evaluated according to filter pore size, filtration conditions and experimental requirements.
40 μm Polystyrene Beads for Instrument Testing
PS40UM can be evaluated in compatible instrument testing and analytical method-development studies involving micron-sized particles.
Potential research areas include:
Particle detection
Particle counting
Optical response studies
Instrument response evaluation
Particle discrimination
Analytical method development
40 μm Polystyrene Beads as Model Particles
Defined-size polystyrene microspheres provide a useful model particle system for controlled laboratory experiments.
PS40UM provides a nominal 40 μm particle diameter for research involving:
Particle transport
Sedimentation behavior
Suspension behavior
Particle-surface interactions
Particle retention
Size-dependent particle behavior
40 μm Polystyrene Beads for Particle Transport Studies
PS40UM can be evaluated in experimental systems designed to investigate the movement and retention of micron-sized particles.
Potential research areas include particle transport through porous media, filtration materials, membrane systems and other controlled experimental environments.
40 μm Polystyrene Beads for Sedimentation Studies
At 40 μm, settling behavior is an important consideration in suspension-based experiments.
PS40UM can be evaluated in compatible research involving:
Particle settling
Sedimentation behavior
Suspension stability
Resuspension behavior
Fluid-particle interactions
Particle concentration effects
40 μm Polystyrene Beads for Particle Retention Studies
PS40UM provides a defined model particle for compatible particle-retention experiments.
The 40 μm nominal diameter can be used to investigate interactions between micron-sized particles and filters, membranes, porous materials or other separation systems.
5% Solid Content Polystyrene Microspheres
PS40UM is supplied at 5% solid content.
The suspension can be diluted according to the working concentration required for a specific experiment.
Researchers should consider particle concentration, dilution medium, mixing conditions, settling behavior and suspension stability when preparing working suspensions.
40 μm Polystyrene Beads for Materials Research
PS40UM provides defined micron-sized polymer particles for compatible materials science research.
Potential applications include:
Polymer particle studies
Particle-interface interactions
Porous material research
Particle transport studies
Surface interaction research
Filtration materials evaluation
40 μm Polystyrene Beads for Analytical Method Development
PS40UM can be evaluated during development of analytical methods involving micron-sized particles.
The defined 40 μm particle size provides a practical model system for studying particle detection, counting, separation, filtration and instrument response.
Why Choose 40 μm Polystyrene Beads?
PS40UM combines:
40 μm nominal particle size
5% solid content
Polystyrene material
Micron-sized particle format
Multiple package sizes
This provides flexibility for laboratory evaluation, routine experiments and larger-volume research requirements.
Available Package Sizes
PS40UM 40 μm Polystyrene Beads are available in:
10 mL
20 mL
100 mL
1000 mL
Handling Recommendations
Mix or resuspend thoroughly before use.
Maintain adequate dispersion during experiments.
Consider particle settling during prolonged experiments.
Avoid contamination during handling.
Use clean laboratory equipment for transfer and dilution.
Store according to applicable product documentation.
Frequently Asked Questions (FAQ)
What is PS40UM?
PS40UM is a 40 μm Polystyrene Beads product supplied as a microsphere suspension with 5% solid content.
What is the particle size of PS40UM?
The nominal particle diameter is 40 μm.
What is the solid content of PS40UM?
PS40UM is supplied at 5% solid content.
What material are PS40UM beads made from?
The microspheres are made from polystyrene (PS).
What are 40 μm Polystyrene Beads used for?
They can be evaluated for particle counting, filtration research, instrument testing, particle transport, sedimentation studies and analytical method development.
Can PS40UM be used for filtration research?
Yes. 40 μm polystyrene beads can be evaluated as model particles in compatible filtration, membrane, particle-retention and filtration-efficiency studies.
Can PS40UM be used for particle counting?
Yes. PS40UM can be evaluated in compatible particle counting and detection studies involving micron-sized particles.
Can PS40UM be used as a calibration standard?
PS40UM can be evaluated as a defined-size model particle. Applications requiring certified or traceable calibration values should use an appropriately certified reference standard.
Do 40 μm Polystyrene Beads settle?
Yes. Micron-sized particles may settle over time. Thorough mixing or resuspension before use is recommended according to the experimental protocol.
Can PS40UM be diluted?
Yes. The 5% solid content suspension can be diluted according to experimental requirements.
What package sizes are available?
PS40UM is available in 10 mL, 20 mL, 100 mL and 1000 mL packages.


