Povidone K30, also known as Polyvinylpyrrolidone K30 (PVP K30), is a synthetic, water-soluble polymer widely used as a versatile pharmaceutical excipient. It is valued for its excellent binding, film-forming, stabilizing, complexing, and solubilizing properties.

One of the most important applications of Povidone K30 is as a tablet binder. It can help improve the cohesion and mechanical strength of tablet formulations and is used in both wet granulation and other pharmaceutical manufacturing processes.

Povidone K30 is also used as a solubilizer and stabilizer for selected active pharmaceutical ingredients and formulations. Its high water solubility and compatibility with many pharmaceutical ingredients make it useful in a broad range of dosage forms.

In addition to oral solid dosage forms, appropriately specified Povidone K30 can be used in oral liquids, topical formulations, film coatings, gels, and other pharmaceutical preparations.

Povidone is available in different viscosity grades, such as K17, K25, K30, K60 and K90. The K-value is related to the polymer's molecular characteristics and solution viscosity. Therefore, the correct grade should be selected according to the formulation and manufacturing process.

For pharmaceutical manufacturing, only material supplied with appropriate pharmaceutical-grade quality documentation and compliance should be used.

Key Features

• Pharmaceutical Grade Excipient
• Excellent Tablet Binding Properties
• Highly Water Soluble
• Good Film-Forming Ability
• Effective Stabilizer
• Useful Solubilizing Agent
• Good Compatibility with Many Ingredients
• Helps Improve Tablet Mechanical Strength
• Suitable for Oral & Topical Formulations
• Consistent Pharmaceutical Performance

Applications / Uses

1. Tablet Manufacturing

Povidone K30 is widely used as a:

• Tablet Binder
• Granulation Binder
• Processing Aid
• Stabilizer

It can help improve granule cohesion, tablet hardness and mechanical integrity.

2. Wet Granulation

PVP K30 is commonly used as a binder solution during wet granulation.

It can help:

• Bind Powder Particles
• Improve Granule Formation
• Improve Flow Properties
• Improve Tablet Compression
• Reduce Tablet Friability

3. Pharmaceutical Film Coating

Povidone K30 can be used in selected film-coating formulations as:

• Film Former
• Binder
• Adhesion Promoter

4. Solubilization

Povidone K30 can help improve the apparent solubility or dispersion of selected pharmaceutical substances.

It may be used in:

• Oral Liquid Formulations
• Solid Dosage Forms
• Topical Preparations
• Other Pharmaceutical Delivery Systems

The suitability depends on the active ingredient and formulation.

5. Topical & Personal Care Formulations

Appropriately specified Povidone K30 may be used in:

• Gels
• Creams
• Lotions
• Topical Solutions
• Film-Forming Preparations

6. Other Pharmaceutical Applications

Depending on formulation requirements:

• Capsules
• Oral Powders
• Granules
• Pharmaceutical Solutions
• Stabilized Formulations

Typical Usage

The required concentration depends on the formulation, active ingredient, manufacturing process, and desired tablet properties.

Typical formulation ranges may vary approximately from 0.5–5% when used as a tablet binder, but the optimum level must be determined through formulation development and process validation.

For wet granulation, PVP K30 is often prepared as a solution in a suitable solvent before being added to the powder blend.

Important: These are general formulation starting ranges, not universal pharmaceutical dosage recommendations. Commercial pharmaceutical formulations should be developed and validated by qualified formulation professionals according to applicable GMP and regulatory requirements.

How to Use

For wet granulation:

1. Prepare a suitable Povidone K30 solution.
2. Add the binder solution gradually to the powder blend.
3. Mix until the desired granulation endpoint is achieved.
4. Dry the granules under controlled conditions.
5. Sieve and process the granules according to the formulation.
6. Compress into tablets using validated manufacturing parameters.

The actual solvent, concentration, addition rate, and processing conditions should be determined during formulation development.

Storage Instructions

• Store in a cool, dry place.
• Protect from moisture and excessive humidity.
• Keep the original container tightly closed.
• Avoid direct sunlight and excessive heat.
• Protect from contamination.
• Use clean and dry equipment during handling.

Povidone is hygroscopic, so proper moisture protection is particularly important.

Safety Information

• For pharmaceutical/formulation use.
• Avoid inhalation of powder dust.
• Wear suitable protective equipment during bulk handling.
• Avoid contact with eyes.
• Follow the manufacturer's SDS and quality documentation.
• Use only pharmaceutical-grade material for pharmaceutical manufacturing.
• Keep away from children and unauthorized personnel.