Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

ROTUBA S Cellulose Acetate

ROTUBA S Cellulose Acetate is a classic thermoplastic cellulose organic acid ester, synthesized by acetylation with acetic anhydride and presented as powder. It has outstanding toughness, with Izod notched impact strength of 380J/M at 23℃ and elongation at break of 55%, suitable for injection molding, extrusion and other molding processes. It meets the comprehensive requirements of consumer toy

Features Of ROTUBA S Cellulose Acetate

  1. High Toughness and Elasticity Performance - Izod notched impact strength of 380J/M at 23℃ and elongation at break of 55%, suitable for toys and soft - touch components, shatter - resistant and not easy to break, improving use safety and durability.

  2. Low Hardness and Flexible Adaptability - Rockwell hardness 17R and flexural modulus 758MPa, soft texture, suitable for bending and folding components, meeting special molding and use requirements.

  3. Simple Molding and Processing - Powder form for easy dispersion, suitable for injection molding, extrusion and thermoforming, helping efficient mass production of complex structural parts and thin - walled parts.

  4. Stable Environmental Resistance - Water absorption rate 2.6%, stable size after molding, resistant to weak acids and alkalis, suitable for various working conditions.

Typical Applications Of ROTUBA S Cellulose Acetate

  1. Consumer Toys - Used for building blocks, dolls, etc., high toughness and shatter - resistant, non - toxic and environmentally friendly, ensuring children's use safety and product durability.

  2. Soft - Touch Electronic Accessories - Suitable for earphone plugs, buttons, etc., with good soft touch, improving product grip comfort and use experience.

  3. Medical Catheter Components - Used for drainage tubes, infusion tubes, etc., good flexibility, no irritation to human body, meeting biocompatibility requirements in the medical field.

  4. Food Packaging Films - Degradable with good barrier property, used for snack and fresh food packaging, extending shelf life, conforming to the trend of environmentally friendly packaging.

Specifications Of ROTUBA S Cellulose Acetate

Chemical NameCellulose Acetate
CAS Number9004-35-7
Chemical Formula[C₆H₇O₂(OH)₃₋ₘ(OOCCH₃)ₘ] (m=0-3)
Physical FormPowder
Specific Gravity1.26 g/cm³
Rockwell Hardness17R
Tensile Strength17.2 MPa (Yield)25.5 MPa (Break)
Flexural Strength (Yield)24.1 MPa
Flexural Modulus758 MPa
Elongation (Yield)55%
Izod Notched Impact Strength380 J/m (23°C)69 J/m (-40°C)
Water Absorption2.6% (23°C)


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