KIMA CHEMICAL CO.,LTD.
KIMA CHEMICAL CO.,LTD.
CAB 381-2

CAB 381-2

Cellulose Acetate Butyrate (CAB) is a versatile cellulose ester offering excellent film formation, flexibility, durability, gloss, and moisture resistance. It is widely used in coatings, paints, inks, plastics, and adhesives. KIMACELL® provides cellulose-based solutions for diverse industrial applications, supporting formulation performance, processing efficiency, and consistent product quality across multiple markets.

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CAB 381-2

CAB-381-2 | Cellulose Acetate Butyrate for Coatings, Inks and Industrial Applications

CAB-381-2 is a cellulose acetate butyrate (CAB) grade developed for use in specialty polymer, coating, ink, lacquer, and other industrial formulations. As a cellulose-derived ester, CAB combines film-forming characteristics with useful compatibility, surface performance, and formulation flexibility.

CAB-381-2 can be evaluated in formulations requiring controlled film formation, good surface appearance, flexibility, hardness, and compatibility with selected resins and solvent systems. The appropriate grade should be selected according to the formulation, processing method, and final application requirements.

What Is CAB-381-2?

CAB-381-2 is a grade of Cellulose Acetate Butyrate, commonly abbreviated as CAB. Cellulose acetate butyrate is a modified cellulose ester containing both acetate and butyrate groups.

The chemical composition and molecular characteristics of a CAB grade influence important properties such as viscosity, solubility, compatibility, film formation, flexibility, hardness, and drying behavior.

CAB-381-2 is designed for formulators looking for a cellulose ester material for specialty industrial applications.

Key Features of CAB-381-2

CAB-381-2 can provide a combination of properties that makes cellulose acetate butyrate useful in industrial formulations:

  • Excellent film-forming characteristics

  • Good surface appearance

  • Useful resin compatibility

  • Good formulation flexibility

  • Balanced hardness and flexibility

  • Suitable for specialty coating systems

  • Useful solvent compatibility

  • Cellulose-derived polymer chemistry

  • Suitable for industrial formulation development

Actual performance depends on formulation composition, resin selection, solvent system, processing conditions, and application method.

CAB-381-2 Specification

Property

CAB-381-2

Product Name

Cellulose Acetate Butyrate

Grade

CAB-381-2

Chemical Type

Cellulose Ester

Appearance

White to off-white solid

Acetyl Content

13.5 wt %

Butyryl Content

38wt%

Viscosity

7.6poise

Ash Content

0.05%

Solubility

Solvent-dependent

Application

Coatings, inks, lacquers, plastics and specialty formulations

Packaging

According to customer requirements

Note: The final specification should be confirmed against the manufacturer's current TDS and COA for CAB-381-2.


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Applications of CAB-381-2

1. Automotive Coatings

CAB can be used in selected automotive coating formulations to support film formation, surface appearance, drying characteristics, hardness, and formulation performance.

2. Industrial Coatings

CAB-381-2 can be evaluated in industrial coatings where good film formation, surface quality, resin compatibility, and controlled formulation properties are required.

3. Wood Coatings

Cellulose acetate butyrate can contribute to smooth film formation and attractive surface appearance in selected wood coating and finishing formulations.

4. Printing Inks

CAB can function as a polymeric component in certain printing ink systems. Its film-forming and compatibility characteristics can support ink performance and surface properties.

5. Lacquers

CAB is suitable for evaluating in lacquer systems requiring controlled film formation, appearance, flexibility, hardness, and drying performance.

6. Plastic Coatings

CAB-381-2 may be considered for specialty plastic coating systems where adhesion, surface appearance, flexibility, and hardness need to be balanced.

7. Specialty Polymer Formulations

As a cellulose ester, CAB can be incorporated into specialty polymer systems where cellulose-derived materials and specific film-forming characteristics are desired.

Why Use Cellulose Acetate Butyrate?

Cellulose acetate butyrate provides formulators with a combination of cellulose-based chemistry and polymeric performance.

Depending on grade and formulation, CAB can help improve:

  • Film formation

  • Surface appearance

  • Hardness

  • Flexibility

  • Drying behavior

  • Resin compatibility

  • Solvent compatibility

  • Coating performance

The final performance of CAB-381-2 should always be evaluated in the actual formulation because interactions between CAB, solvents, resins, pigments, plasticizers, and other additives can significantly influence the finished product.

How to Select CAB-381-2?

Choosing the correct CAB grade requires consideration of the final product and manufacturing process.

Selection Factor

Importance

Viscosity

Influences formulation viscosity and processing

Acetyl Content

Affects chemical and formulation characteristics

Butyryl Content

Influences flexibility, solubility and compatibility

Molecular Characteristics

Can influence film strength and rheology

Solvent System

Determines dissolution and formulation compatibility

Resin Compatibility

Important for formulation stability

Application Method

Influences the required processing characteristics

Drying Conditions

Important for production efficiency

Final Film Properties

Determines suitability for the finished product

Laboratory testing is recommended before commercial-scale production.


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CAB-381-2 in Coating Formulations

One important use of cellulose acetate butyrate is as a functional polymer in coating systems.

Depending on the formulation, CAB may help formulators achieve a balance between hardness, flexibility, appearance, drying behavior, and compatibility.

It can also be combined with other resins and additives to develop coating systems with specific performance characteristics.

For this reason, grade selection should be based not only on product name but also on the required viscosity, composition, solvent compatibility, resin system, and final application.

CAB-381-2 for Printing Ink Formulations

CAB can be considered for selected printing ink formulations where film formation and surface properties are important.

The appropriate CAB grade may contribute to:

  • Film formation

  • Surface appearance

  • Drying characteristics

  • Resin compatibility

  • Formulation stability

  • Print surface performance

Ink manufacturers should conduct compatibility testing with their specific resin, solvent, pigment, and additive systems.

CAB-381-2 Packaging and Storage

CAB-381-2 should be stored according to the manufacturer's SDS and technical recommendations.

General storage practices include:

  • Keep the product in a dry environment.

  • Keep containers tightly closed.

  • Protect the material from moisture and contamination.

  • Store in a cool and well-ventilated area.

  • Avoid unsuitable heat and ignition sources.

  • Follow applicable handling and safety requirements.

Packaging can be selected according to order quantity, transportation requirements, and customer specifications.

Quality Control for CAB-381-2

Consistent quality is important when CAB is used in industrial formulations. Buyers may evaluate the following parameters according to their application:

Quality Parameter

Purpose

Appearance

Confirms product consistency

Viscosity

Controls formulation and processing behavior

Moisture

Helps maintain material stability

Ester Composition

Influences application characteristics

Ash

Indicates inorganic residue level

Solubility

Determines compatibility with solvent systems

Batch Consistency

Supports reproducible production

A Certificate of Analysis (COA) should be checked against the agreed product specification for each commercial batch.

Global CAB-381-2 Supply

For international buyers, sourcing CAB-381-2 from a professional supplier can provide access to technical documentation, commercial packaging, batch quality control, and export support.

Typical documents available for industrial raw materials may include:

  • Technical Data Sheet (TDS)

  • Safety Data Sheet (SDS)

  • Certificate of Analysis (COA)

  • Product specification

  • Packaging information

  • Batch information

  • Shipping documentation

Buyers should confirm the latest technical documentation before placing a commercial order.

CAB-381-2 FAQ

What is CAB-381-2?

CAB-381-2 is a grade of cellulose acetate butyrate, a cellulose ester used in coatings, inks, lacquers, plastics, and other specialty industrial formulations.

What is cellulose acetate butyrate used for?

Cellulose acetate butyrate is commonly considered for coating, lacquer, printing ink, plastic coating, wood finishing, automotive, and specialty polymer applications.

What are the main advantages of CAB?

CAB can provide useful film formation, surface appearance, hardness, flexibility, drying behavior, and compatibility characteristics depending on the selected grade and formulation.

Is CAB-381-2 suitable for coatings?

CAB grades can be evaluated for different coating applications. Suitability depends on the coating resin, solvent system, application method, and required final film properties.

How should CAB-381-2 be stored?

Store CAB-381-2 in suitable sealed packaging in a dry, cool, and well-ventilated environment. Always follow the manufacturer's SDS for detailed storage and handling requirements.

How do I select the right CAB grade?

Grade selection should consider viscosity, ester composition, solvent compatibility, resin compatibility, processing conditions, application method, and final film requirements.

Can CAB-381-2 be used with other resins?

CAB can be combined with selected resin systems, but compatibility should be confirmed through laboratory testing before production.

What documents should I request from a CAB supplier?

Common documents include the TDS, SDS, COA, product specification, packaging information, and relevant shipping documentation.

Request a Quote for CAB-381-2

Looking for CAB-381-2 cellulose acetate butyrate for your industrial formulation?

Contact our sales team for:

  • CAB-381-2 technical specifications

  • TDS and SDS

  • COA and batch information

  • Product pricing

  • Packaging options

  • Sample availability

  • Bulk order information

  • Technical application support

CAB-381-2 is a cellulose acetate butyrate grade for manufacturers developing coatings, inks, lacquers, plastics, and specialty industrial formulations.



Documents of Cellulose Acetate Butyrate(CAB 381-2)

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