Selvol PVOH Product Line and Properties

Selvol polyvinyl alcohol (PVOH/PVA) includes a broad product line of high-quality powder and solution grades. SEKISUI Specialty Chemicals engineers them for diverse industries and applications.

Below is a summary of the Selvol PVOH portfolio in a typical properties reference table. Use this matrix to compare grades by viscosity, hydrolysis range and ash content to streamline your selection process.

Refer to individual technical data sheet (TDS) documents for final performance specifications and regulatory compliance information.

Selvol PVOH Grade and Typical Properties

The Product Line and Typical Properties table categorizes Selvol PVOH products by grade series. It includes super, fully, intermediate and partially hydrolyzed grades, as well as fine-particle S-grades, specialty polymerization aids and ready-to-use solutions.

Typical Properties of Selvol PVOH Products

Selvol PVOH Grade Viscosity % Hydrolysis % Ash, Max
Super Hydrolyzed
125 28.0-32.0 99.3+ 1.20
165 62.0-72.0 99.3+ 1.20
Fully Hydrolyzed
103 3.5-4.5 98.0-98.8 1.20
107 5.5-6.5 98.0-98.8 1.20
310 9.0-11.0 98.0-98.8 1.20
325 28.0-32.0 98.0-98.8 1.20
325LA 28.0-32.0 98.0-98.8 0.60
350 62.0-72.0 98.0-98.8 1.20
Intermediately Hydrolyzed
418 14.5-19.5 91.0-93.0 0.90
425 27.0-31.0 95.5-96.5 0.90
443 53.0-63.0 92.0-94.0 0.90
Partially Hydrolyzed
502 3.0-3.7 87.0-89.0 0.90
203 3.5-4.5 87.0-89.0 0.90
504 4.0-5.0 87.0-89.0 0.70
205 5.2-6.2 87.0-89.0 0.70
513 13.0-15.0 87.0-89.0 0.70
518 17.5-20.5 87.0-89.0 0.70
523 23.0-27.0 87.0-89.0 0.50
540 45.0-55.0 87.0-89.0 0.50
Fine Particles (S-Grade)
165SF 62.0-72.0 99.3+ 1.20
203S 3.0-3.7 87.0-89.0 0.90
205S 3.5-4.5 87.0-89.0 0.70
513S 13.0-15.0 87.0-89.0 0.70
523S 23.0-27.0 87.0-89.0 0.50
540S 45.0-55.0 87.0-89.0 0.50
Specialty – Polymerization
805 5.2-6.2 87.0-89.0 0.70
818 17.0-21.0 87.0-89.0 0.70
823 23.0-27.0 87.0-89.0 0.50
830 29.0-35.0 87.0-89.0 0.50
840 45.0-55.0 87.0-89.0 0.50
Specialty – Textile
WS-724 13.0-24.0 91.0-95.5 1.20
WS-53NF 18.5-29.0 86.0-90.0 1.20
Specialty – Tackified
PH Viscosity Viscosity
MM51 4.4-4.9 1100-1500 1100-1500
MM81 4.4-4.9 1300-1700 1300-1700
MH82 4.4-4.9 4200-5900 4200-5900
Selvol PVOH Solutions
Solution Base Grade % Solids Viscosity
08-125 125 7.0-8.0 100-1300
15-103 103 14.5-15.5 50-500
09-325 325 8.0-9.0 200-1300
09-523 523 8.5-9.5 250-1300
05-540 540 4.75-5.25 50-300
21-205 205 20.0-22.0 800-1300
24-203 203 23.0-25.0 250-1300

Selvol PVOH Grade Families at a Glance

Selvol PVOH performance depends primarily on the relationship between the degree of hydrolysis and the viscosity (molecular weight). Use these summaries to align grade specifications with your specific process requirements.

Degree of Hydrolysis

Hydrolysis levels determine the chemical resistance and solubility profile of each Selvol PVOH grade:

  • Super and fully hydrolyzed grades (98.0% to 99.3%+). These products maximize water resistance and gas barrier properties for high-performance films.
  • Intermediate and partially hydrolyzed grades (87.0% to 96.0%). These grades enhance solubility in cooler water and improve adhesion to diverse surfaces.

Viscosity Range

Viscosity specifications indicate the molecular weight of the polymer and influence the PVOH film’s final strength:

  • Low-viscosity grades. These products enable high-solids formulations and ensure easier handling in pumping and coating operations.
  • High-viscosity grades. Higher molecular weight grades increase the system’s overall film strength, toughness and cohesive integrity.

Fine Particle (S-Grades)

Fine particle S-grades provide a reduced particle size to facilitate rapid dispersion and consistent dissolution. This form minimizes lumping and reduces the time required to achieve a uniform solution in specialized dry-blending or solution-based processes.

Specialty Polymerization Grades

These grades provide the specific colloidal stability required for vinyl and related polymerization systems. They allow you to maintain precise control over particle size distribution and porosity in the production of PVC and other resins.

Specialty Textile Grades

SEKISUI engineers specialty textile grades to optimize warp sizing and related high-speed textile processes. These products use tuned viscosity and hydrolysis ranges to improve weaving efficiency by providing superior abrasion resistance and film flexibility.

Tackified Selvol Grades

Tackified Selvol grades incorporate specific components to increase adhesion strength for high-speed industrial bonding. They offer high wet tack for demanding applications like tube winding and paperboard laminating where immediate bond strength is critical.

Selvol PVOH Solutions

Selvol PVOH solutions provide ready-to-use solutions at defined solids ranges to ensure batch-to-batch consistency. These products eliminate the need for on-site dissolution equipment and reduce the risk of processing errors during solution preparation.

Review candidate grades from this table with Selvol PVOH Applications and End Uses for more context.

Next Steps

To move from property screening to practical testing, we recommend these actions:

  • Align specifications. Identify the hydrolysis range and viscosity band that fit your process window.
  • Choose product form. Determine if your process requires powder, fine-particle S-grades or ready-to-use solutions.
  • Confirm via SDS. Use individual SDS to confirm detailed specifications for shortlisted grades.
  • Cross-check applications. Reference the Selvol PVOH Applications and End Uses table to confirm grade fit for your target industry.
  • Request support. Contact SEKISUI to discuss regional availability or request starting formulations.

Contact SEKISUI

Selvol PVOH product selection varies by application, process and regulatory environment. You can rely on us at SEKISUI Specialty Chemicals for support.

The SEKISUI Technical Service Team is dedicated to excellence in customer service. Reach out for help with selecting and testing Selvol PVOH products and grades.