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Tosoh Bioscience GmbH: The Chemistry of Innovation
Process Media Products
Toyopearl Media
Size Exclusion (SEC)
Toyopearl HW-40
Toyopearl HW-50
Toyopearl HW-55
Toyopearl HW-65
Toyopearl HW-75
Ion Exchange (IEC)
Hydrophobic Interaction (HIC)
Affinity (AFC)


Toyopearl HW-55
is a hydroxylated methacrylic polymer bead for size exclusion chromatography of proteins between 1,000-700,000 Da. It also is the base bead for all Toyopearl "-550" designated products.

 Structure:




 Product Attributes:
Pore size (mean): 500 Å

Exclusion limit: 700,000 Da

Particle size (mean): 45 µm (F-grade)
30 µm (S-grade)

Pressure rating: 3 bar

Shipping buffer 20% ethanol

pH stability: 2-13

shelf life: 10 years


 Literature:

Process Media Catalog - Size Exclusion Chromatography

Toyopearl Instruction Manual

Product Specification Sheet -
Toyopearl HW-55



 Comparative information for SEC resins
Calibration curves for globular proteins on Toyopearl HW resins


Typical resolution changes based on particle size



Ordering information:
To place an order please contact Customer Service. 
 
P/N Description Resin volume Pore size

Particle size

19812 Toyopearl HW-55F 150 mL
500 Å


45 µm

07457 Toyopearl HW-55F 500 mL

 
500 Å 45 µm
14687 Toyopearl HW-55F 1 L
500 Å 45 µm


08063 Toyopearl HW-55F 5 L

500 Å 45 µm


19813 Toyopearl HW-55S 150 mL

500 Å 30 µm


07459 Toyopearl HW-55S 250 mL

500 Å 30 µm


14686 Toyopearl HW-55S 1 L

500 Å 30 µm


08062 Toyopearl HW-55S 5 L

500 Å 30 µm



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NEW! Toyopearl & TSKgel
Process Media Catalog


Toyopearl Orientation Sheet

Toyopearl Brochure (en francais)

Process Media Main Page

Tosoh Bioscience GmbH Zettachring 6, 70567 Stuttgart, Germany  Tel: +49-711-132570  Email: info.tbg@tosoh.com