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Home Chromatography Packing Microspheres PS/DVB25UM-300A 25μm Porous Crosslinked PS/DVB Microspheres 300Å
PS/DVB25UM-300A 25μm Porous Crosslinked PS/DVB Microspheres 300Å
PS/DVB25UM-300A 25μm Porous Crosslinked PS/DVB Microspheres 300Å
PS/DVB25UM-300A is a 25μm porous crosslinked polystyrene/divinylbenzene (PS/DVB) microsphere with a 300Å pore size. It offers excellent mechanical strength, chemical resistance and particle uniformity for chromatography packing, peptide synthesis and biomolecule purification.
  • PS/DVB25UM-300A

  • 25 μm 300 Å

  • 10ml,20ml,50ml ,500ml,1000ml

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Product Overview

PS/DVB25UM-300A Porous Crosslinked PS/DVB Microspheres are highly crosslinked polymer beads with a 25 μm particle size and a 300 Å pore structure. Manufactured from crosslinked polystyrene/divinylbenzene, these microspheres provide excellent rigidity, narrow particle size distribution and outstanding chemical stability.

The larger pore structure offers improved accessibility for larger biomolecules, making the material particularly suitable for protein purification, peptide synthesis, chromatography media, catalyst supports and solid-phase synthesis.

Key Features

  • Uniform 25 μm particle size

  • 300 Å controlled pore size

  • Highly crosslinked PS/DVB matrix

  • Excellent mechanical strength

  • High chemical resistance

  • Narrow particle size distribution

  • Excellent pressure resistance

  • High surface area

  • Low swelling in common solvents

  • Suitable for chromatography and synthesis

Technical Specifications

Parameter

Specification

Product Code

PS/DVB25UM-300A

Matrix

Crosslinked PS/DVB

Particle Size

25 μm

Pore Size

300 Å

Structure

Porous Crosslinked Polymer

Appearance

White to Off-white Spherical Particles

Storage

Room Temperature

Packaging

Bottle / Customized

Applications

  • High Performance Liquid Chromatography (HPLC)

  • Flash Chromatography

  • Solid Phase Peptide Synthesis (SPPS)

  • Solid Phase Organic Synthesis

  • Affinity Chromatography

  • Protein Purification

  • Biomolecule Separation

  • Catalyst Carrier

  • Resin Matrix Development

  • Laboratory Research

Product Advantages

PS/DVB25UM-300A combines a 25 μm particle size with a 300 Å pore structure, providing excellent mass transfer characteristics for medium- and large-molecule separations. The highly crosslinked PS/DVB matrix maintains excellent dimensional stability in both aqueous and organic solvent systems.

Its uniform spherical morphology, high mechanical strength and controlled pore architecture allow stable column packing, low back pressure and reproducible chromatographic performance. The material is also suitable for surface functionalization to support a wide range of separation and synthesis applications.

Storage and Handling

  • Store in a cool, dry place at room temperature.

  • Keep the container tightly closed.

  • Avoid moisture and direct sunlight.

  • Prevent contamination during handling.

  • Mix gently before use if supplied as a slurry.

  • Use appropriate laboratory protective equipment.

  • Seal immediately after opening.

Customization Service

SANYU GROUP provides customized porous PS/DVB microspheres, including:

  • Customized particle sizes

  • Customized pore sizes

  • Customized surface functionalization

  • Customized crosslinking degree

  • OEM manufacturing

  • Bulk production

  • Custom packaging

  • Technical application support

Frequently Asked Questions (FAQ)

What is PS/DVB25UM-300A?

PS/DVB25UM-300A is a porous crosslinked polystyrene/divinylbenzene microsphere with a 25 μm particle size and 300 Å pore size for chromatography and solid-phase synthesis.

What is the pore size?

The standard pore size is 300 Å, making it suitable for larger biomolecules and protein-related applications.

What applications is this product suitable for?

It is widely used in HPLC, flash chromatography, peptide synthesis, protein purification, affinity chromatography, catalyst supports and laboratory research.

What are the advantages of the PS/DVB matrix?

The crosslinked PS/DVB matrix provides excellent mechanical strength, solvent resistance, dimensional stability and long-term performance under demanding operating conditions.

How should PS/DVB25UM-300A be stored?

Store the product in a dry environment at room temperature, keep the container tightly sealed, and avoid moisture and direct sunlight.

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