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
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.
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.
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.
Stable Environmental Resistance - Water absorption rate 2.6%, stable size after molding, resistant to weak acids and alkalis, suitable for various working conditions.
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.
Soft - Touch Electronic Accessories - Suitable for earphone plugs, buttons, etc., with good soft touch, improving product grip comfort and use experience.
Medical Catheter Components - Used for drainage tubes, infusion tubes, etc., good flexibility, no irritation to human body, meeting biocompatibility requirements in the medical field.
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.
| Chemical Name | Cellulose Acetate |
| CAS Number | 9004-35-7 |
| Chemical Formula | [C₆H₇O₂(OH)₃₋ₘ(OOCCH₃)ₘ] (m=0-3) |
| Physical Form | Powder |
| Specific Gravity | 1.26 g/cm³ |
| Rockwell Hardness | 17R |
| Tensile Strength | 17.2 MPa (Yield)25.5 MPa (Break) |
| Flexural Strength (Yield) | 24.1 MPa |
| Flexural Modulus | 758 MPa |
| Elongation (Yield) | 55% |
| Izod Notched Impact Strength | 380 J/m (23°C)69 J/m (-40°C) |
| Water Absorption | 2.6% (23°C) |
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