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Cellulose Acetate Butyrate CAB-531-1

Our production base was founded in September 2014 with a registered capital of 50 millions Chinese Yuan, occupying an area of 54,500 square meters, certificates of lS09001, ISO14001, lS045001, EU REACH registration certificate. Our Cellulose Acetate Butyrate CAB-381 and CAB-551 annual capacity is 10000 tons and Cellulose Acetate CA 6000 tons.

Chemical Name :
Cellulose Acetate Butyrate Powder
Application :
Automotive OEM, automotive refining paint, automotive internal exterior decorative paint, wood coating, plastic coating and paint, Religious coatings， industrial paint, print ink, Nailpolish.
Product model :
CAB-531-1
Viscosity :
0.80-1.1
Appearance :
White powder

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product introduction

CAB-531-1 is a high-performance cellulose ester sourced from natural cellulose, supplied in the form of a dry white powder. Compared with the CAB-381 series, it has a higher butyryl content, which provides improved flexibility and processing adaptability. CAB-531-1 and CAB-381 esters have similar hydroxyl content and solubility characteristics, and both are soluble in a wide range of organic solvents, forming clear, colorless solutions in appropriate solvent systems, making them suitable for applications with high appearance requirements.

Owing to its greater inherent flexibility, CAB-531-1 requires lower levels of plasticizer modification and shows good compatibility with thermoplastic acrylic resins, enabling the formation of tough films with excellent resistance to marring and weathering. In addition, CAB-531-1 is based on renewable cellulose resources, and its bio-content is estimated to be approximately 38% based on the proportion of bio-based carbon atoms in its molecular structure, reflecting its value as a partially sustainable high-performance material.

CAB-531-1 is highly versatile and compatible with a wide range of applications across different industries. In the automotive sector, it can be used in OEM automotive coatings, coatings for automotive plastics, and lacquers for automotive finishes, providing excellent durability, weather resistance, and a smooth, high-quality finish. Its compatibility with modified resins, such as CAB-551-0.2, makes it ideal for wood coatings, plastic coatings, and metal coatings, offering enhanced flexibility and toughness. Additionally, CAB-531-1 is suitable for nail care products like nail polish, where it contributes to a smooth, long-lasting finish. It is also well-suited for coatings used on trucks, buses, and commercial vehicles, where its high resistance to wear and environmental factors ensures the longevity and aesthetics of the coatings.

Typical Properties:

Appearance: White powder
Butyryl Content: 44%-54%	Color^b: ≦100unit
Acetyl Content: 1%-5%	Haze: ≦50NTU
Hydroxyl Content: 1.00-3.00%	Acidity as Acetic Acid: 0.00~300mg/kg
Viscosity^a: 0.80-1.1	Ash Content: ≦1.5%

a Dissolution Ratio: 20% cellulose ester, 80% acetone or ethyl acetate.

b Dissolve the cellulose ester in acetone or ethyl acetate, and then determine its color and turbidity using the Pt-Co standard color scale and a turbidimeter.

Advantages:

High flexibility: Its higher butyryl content provides better flexibility and film-forming performance compared with the CAB-381 series.

Lower plasticizer demand: Due to its inherent flexibility, less plasticizer is required, contributing to improved formulation stability and durability.

Excellent solubility: Soluble in a wide range of organic solvents, forming clear and colorless solutions in suitable solvent systems.

Superior appearance: Produces films with high transparency and smooth surfaces, making it suitable for applications with high aesthetic requirements.

Good compatibility: Shows excellent compatibility with thermoplastic acrylic resins and various modified resins, such as CAB-551-0.2.

Outstanding durability: Coatings exhibit good resistance to marring and weathering.

Sustainability benefit: Derived from natural cellulose with an estimated bio-content of approximately 38%, offering partial renewable and environmental advantages.

Applications:

Automotive OEM Coatings
Coatings for Automotive Plastics
Automotive Refinish
Lacquers for Plastic
Nail Care
Wood Coating
Coatings for Truck/Bus/Commercial Vehicles
Other application such as industrial paints, plastic and so on

Package & Storage:

Package: 20kgs/ctn with an inner PE bag, palletized: 6ctns/layer, 10 layers(60ctns)/pallet .

Loadability in container 20'/40' (Palletized): 12000kg. / 24000kg.

Store at room temperature. Keep package closed after using.

Based on our experience the shelf life of this product under above conditions is at least 2 years.

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