50um Standard Polystyrene Microspheres SPS50UM-10 5%

50um Standard Polystyrene Microspheres SPS50UM-10

SHBC SPS50UM-10 Standard Polystyrene Microspheres are spherical polystyrene particles with a nominal diameter of 50 μm and a solid content of 5%.

They are suitable for particle analysis, optical microscopy, filtration testing, fluid-flow research, sedimentation studies and microplastic method development.

Product Overview

SPS50UM-10 provides a controlled 50 micron particle platform for laboratory research, analytical development and industrial testing.

The particles offer convenient optical visibility and regular spherical morphology. The concentrated suspension supports flexible dilution, repeated testing and bulk projects.

Technical Specifications

Actual mean diameter and particle-size distribution are batch-specific. Refer to the applicable Certificate of Analysis.

Key Advantages

• Nominal particle diameter of 50 μm

• Regular spherical morphology

• Concentrated 5% solids

• Easy optical observation

• Convenient dilution and sampling

• Suitable for filtration research

• Suitable for fluid-flow studies

• Flexible packaging volumes

• Pilot and bulk production

• Customized specifications available

Applications of 50um Polystyrene Microspheres

Particle Size Analysis

SPS50UM-10 can be evaluated as a model particle for particle-size measurement, comparative testing and analytical method development.

Optical Microscopy

The 50 μm particles are readily visible under suitable optical microscopy conditions, supporting particle counting, tracking and morphology observation.

Particle Counter Evaluation

The controlled particle diameter supports particle-detection studies, counting-method development and instrument-response testing.

Filtration and Membrane Testing

SPS50UM-10 is suitable for filter-retention, membrane-efficiency, particle-recovery and challenge-testing studies.

Fluid Mechanics Research

The microspheres can support flow visualization, particle transport, settling behavior and fluid–particle interaction studies.

Microfluidic Testing

SPS50UM-10 may be used for channel evaluation, particle transport, device testing and separation-method development.

Sedimentation Studies

The controlled 50 μm size supports settling-rate, suspension-stability, aggregation and particle-recovery research.

Cleaning and Contamination Studies

The particles may be evaluated in cleaning-process development, surface contamination studies and particle-recovery experiments.

Microplastic Research

SPS50UM-10 can be used as a defined polystyrene particle model for environmental sampling, transport, recovery and analytical-method research.

Why Choose 50um Polystyrene Microspheres?

The 50 μm diameter provides easy microscopic observation and controlled particle geometry.

Typical research areas include:

• Particle characterization

• Optical imaging

• Particle counting

• Filter evaluation

• Fluid-flow testing

• Microfluidic transport

• Sedimentation analysis

• Cleaning-process research

Benefits of 5% Solid Content

SPS50UM-10 is supplied at 5% solids for flexible laboratory and production use.

The concentrated suspension can be diluted to different working concentrations. It supports repeated experiments, pilot projects and larger-volume applications.

The suspension format also reduces weighing and particle-preparation steps compared with dry microspheres.

Standard Polystyrene Surface

SPS50UM-10 has a standard plain polystyrene surface without intentionally added fluorescent dyes or functional groups.

It is suitable for general particle, filtration and surface-interaction research.

SHBC also supplies carboxyl, amino, fluorescent and colored polystyrene microspheres for specialized applications.

Standard Microspheres or Certified Size Standards?

SPS50UM-10 is positioned as a standard research-grade polystyrene microsphere.

It should only be described as certified, calibrated or traceable when corresponding documents are supplied for the specific product and batch.

Customers requiring certified particle-size standards should confirm:

• Actual mean diameter

• Particle-size tolerance

• Standard deviation

• Coefficient of variation

• Measurement method

• Calibration certificate

• Traceability documentation

Quality and Batch Documentation

Available documentation may include:

• Product code

• Batch number

• Actual mean particle diameter

• Particle-size distribution

• Solid content

• Product appearance

• Certificate of Analysis

• Safety Data Sheet

Why Choose SHBC?

Shanghai SanYu Biotechnology Co., Ltd. supplies standard and functional microspheres for research, analytical development and industrial applications.

SHBC supply advantages include:

• Wide particle-size selection

• Standard and functional surfaces

• Laboratory sample supply

• Pilot-scale manufacturing

• Bulk production capability

• Customized solid content

• Flexible packaging volumes

• OEM and private-label services

• Technical product-selection support

Customized Microsphere Supply

Customization options include:

• Particle diameter

• Solid content

• Dispersion medium

• Surface functionalization

• Fluorescent labeling

• Colored particles

• Packaging volume

• OEM labeling

• Bulk production

Storage and Handling

Store SPS50UM-10 according to the product label, COA and SDS.

Particles of this size may settle during storage. Gently mix the suspension until uniform before sampling or dilution.

Avoid freezing, drying, excessive heat and contamination. Do not sample only from the upper layer of a settled suspension.

Frequently Asked Questions

What is SPS50UM-10?

SPS50UM-10 is a standard polystyrene microsphere suspension with a nominal diameter of 50 μm and a solid content of 5%.

Is 50um equal to 50 microns?

Yes. A diameter of 50 μm, 50um or 50 microns is equal to 50,000 nm.

What are 50um polystyrene microspheres used for?

Typical applications include particle analysis, microscopy, filtration testing, particle counting, fluid-flow research, sedimentation and microplastic studies.

Can the particles be observed with an optical microscope?

Yes. The 50 μm diameter provides convenient visibility under suitable optical microscopy conditions.

Do 50um microspheres settle during storage?

Yes. Particles of this size may gradually settle. Thoroughly redisperse the suspension before sampling.

Can SPS50UM-10 be diluted?

Yes. The 5% suspension can be diluted to the required working concentration using a compatible dispersion medium.

Can it be used for filtration testing?

SPS50UM-10 may be evaluated for filter-retention, membrane-efficiency, challenge testing and particle-recovery studies.

Is SPS50UM-10 a certified calibration standard?

It should only be described as certified or traceable when corresponding certification documents are supplied for the specific batch.

Are customized versions available?

Yes. SHBC can provide customized sizes, solid content, surface groups, colors, fluorescence and packaging volumes.

Are bulk quantities available?

Yes. SHBC supports laboratory samples, pilot projects, customized packaging and bulk production.

Request SPS50UM-10 Samples and Quotations

Contact Shanghai SanYu Biotechnology Co., Ltd. for SPS50UM-10 samples, technical specifications, customized packaging and bulk quotations.

SHBC supplies standard polystyrene microspheres for research laboratories, instrument developers, filtration companies, environmental researchers and industrial projects.

For Research Use Only.