5um Spacer PS Microspheres PAPS5UM

5um Spacer PS Microspheres PAPS5UM

SHBC PAPS5UM are precision 5 μm polystyrene microspheres developed for micron-level spacing and thickness control.

The uniform spherical particles help maintain a defined distance between substrates, films, coatings and bonded components. PAPS5UM can be evaluated for LCD, PDLC, optical materials, adhesive bonding and electronic assembly.

Product Specifications

Batch-specific particle size distribution, solid content, supply form and packaging are provided in the final specification or Certificate of Analysis.

Key Advantages

Precise 5 μm Gap Control

The controlled microsphere diameter helps create a consistent micron-level separation between two material surfaces.

Uniform Spherical Morphology

Regular spherical particles provide stable support points and help reduce local gap variation.

Controlled Particle Size Distribution

Consistent particle sizing supports more repeatable thickness control and assembly performance.

Smooth Particle Surface

The smooth surface supports uniform distribution in compatible adhesives, coatings, solvents and functional materials.

Polymer-Based Spacer Material

The polystyrene structure offers lower hardness than many inorganic spacer materials and can help reduce the risk of substrate damage under suitable assembly conditions.

Scalable Supply

SHBC supports laboratory samples, pilot orders, customized specifications and bulk production.

How 5um Spacer Microspheres Work

Spacer microspheres are dispersed in a carrier or positioned between two substrates.

During assembly, the particles form physical support points. Their diameter helps define the final separation distance and prevents direct contact between the two surfaces.

PAPS5UM is designed for applications requiring an approximately 5 μm gap.

Main Applications

LCD Cell Gap Control

Used between display substrates to help maintain a uniform liquid crystal layer thickness.

PDLC Films

Suitable for polymer-dispersed liquid crystal films requiring controlled spacing between functional layers.

Smart Glass

Can be evaluated in switchable glass and light-control structures requiring consistent layer separation.

Optical Films and Components

Used for coating thickness control, optical layer separation and precision material development.

Adhesive Gap Control

Added to compatible adhesives or sealants to help maintain a defined bond-line thickness.

Touch Panels and Sensors

Suitable for assemblies requiring micron-level spacing between glass, film, sensors or electronic components.

Microelectronic Assembly

Can be evaluated for spacing between chips, substrates, enclosures and packaging materials.

Uniform polymer spacer particles are widely promoted for display thickness control, adhesive gap control, sensors and optical or electronic components.

Product Benefits

PAPS5UM helps support:

• Controlled 5 μm spacing

• Uniform layer thickness

• Reduced direct substrate contact

• Consistent particle distribution

• Repeatable assembly processes

• Compatibility with thin-film systems

• Custom formulation development

• Sample-to-bulk scale-up

Recommended Use

Disperse the microspheres evenly in the selected carrier, adhesive, coating or solvent before application.

Important factors include:

• Carrier compatibility

• Microsphere concentration

• Material viscosity

• Dispersion time

• Ultrasonic treatment

• Coating or spraying method

• Assembly pressure

• Target particle density

For wet processing, alcohol-based pre-dispersion and controlled ultrasonication may help reduce aggregation. Actual conditions should be optimized for the customer’s formulation and production process.

Adhesive Application Considerations

When PAPS5UM is added to an adhesive, particle concentration should be selected according to the dispensing volume, bonding area and required number of support points.

Excessive loading may affect fine-needle dispensing or jetting. Excessive assembly pressure may also deform polymer particles and change the final gap.

Process validation is recommended before production use.

Custom Spacer Microsphere Solutions

SHBC can customize spacer microspheres according to project requirements.

Available options may include:

• Particle diameter

• Particle size tolerance

• Particle size distribution

• Solid content

• Dispersion medium

• Surface treatment

• Dry powder or suspension

• Packaging quantity

• OEM and ODM supply

Please provide the target gap, substrate material, carrier system and required quantity when requesting customization.

Quality Control

Available product documents may include:

• Certificate of Analysis

• Technical Data Sheet

• Safety Data Sheet

• Particle size test report

• Batch inspection record

• Customized specification sheet

Why Choose SHBC?

Shanghai SanYu Biotechnology Co., Ltd. manufactures polymer microspheres, silica microspheres, magnetic beads and functional microsphere materials.

SHBC provides:

• Precision particle manufacturing

• Stable batch-to-batch quality

• Multiple particle sizes

• Customized specifications

• Sample evaluation support

• Pilot-scale supply

• Bulk manufacturing

• OEM and ODM services

Frequently Asked Questions

What are PAPS5UM microspheres?

PAPS5UM are nominal 5 μm polystyrene microspheres designed for precision spacing and thickness-control applications.

What are 5um spacer microspheres used for?

They can be evaluated for LCD panels, PDLC films, smart glass, optical materials, adhesive bonding, sensors and electronic assembly.

How do spacer microspheres control thickness?

The particles form physical support points between two surfaces. Their diameter helps determine the final separation distance.

Can PAPS5UM be added to adhesives?

Yes. PAPS5UM can be evaluated in compatible adhesives and sealants to control bond-line thickness.

Are PAPS5UM suitable for LCD and PDLC materials?

Yes. Uniform polymer microspheres are commonly used as precision spacers in LCD and PDLC structures. Customers should verify compatibility with their specific materials and process.

Can SHBC customize the particle size?

Yes. Particle diameter, size tolerance, solid content, dispersion medium and packaging can be customized.

Are samples available?

Samples are available for dispersion, compatibility and process evaluation before bulk ordering.

Does SHBC support bulk production?

Yes. SHBC supports laboratory samples, pilot orders and long-term bulk supply.

Request a Sample or Quotation

Contact SHBC for PAPS5UM samples, technical specifications, customized spacer microspheres and bulk pricing.

Please provide:

• Target application

• Required gap thickness

• Required quantity

• Preferred supply form

• Carrier or solvent system

• Packaging requirements

• Estimated annual demand

Product: 5um Spacer PS Microspheres
Catalog Number: PAPS5UM
Material: Polystyrene, PS
Nominal Particle Size: 5 μm
Brand: SHBC
Manufacturer: Shanghai SanYu Biotechnology Co., Ltd.