ROTUBA GENERAL Cellulose Acetate is a classic thermoplastic cellulose organic acid ester, synthesized by acetylation with acetic anhydride and presented as powder. It has a wide performance range, suitable for various molding processes such as injection molding and extrusion, with light transmittance of 90.0-91.0% and haze of 0.88-1.3%. It meets the comprehensive requirements of fine chemical deep processing
Broad - Spectrum Performance Adaptability - Tensile strength 23.5-49.6MPa, flexural strength 31.0-82.7MPa, hardness 29-104R, suitable for various structural parts from thin - wall to thick - wall and from low - stress to medium - stress scenarios.
High Transparency and Low Haze - Light transmittance 90.0-91.0%, haze 0.88-1.3%, suitable for optical lenses, transparent shells and other components requiring high transparency and appearance.
Flexible Molding Compatibility - Melt flow rate 0.25-5.3g/10min, suitable for injection molding, extrusion, thermoforming and other processes, adapting to complex structures and mass production.
Stable Environmental Resistance - Water absorption rate 7.7-12%, controllable heat distortion temperature, stable size after molding, suitable for various working conditions.
Fine Chemical Deep Processing - Suitable for compounding and separation membrane preparation in the field of fine chemical industry, meeting the requirements of chemical materials for stability and purity, and ensuring the efficiency and reliability of the production process.
General Structural Components - Used for tool handles, stationery, toys, etc., with broad - spectrum performance adapting to various usage scenarios and ensuring product durability.
Optical Transparent Components - Used for spectacle lenses and optical instrument shells, high light transmittance and low haze ensure optical performance and appearance texture.
Electronic and Electrical Components - Suitable for electronic component shells and insulation component
| 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 | 1.29-1.31 g/cm³ |
| Rockwell Hardness | 29-104R |
| Tensile Strength | 23.5-49.6 MPa (Yield)22.4-48.0 MPa (Break) |
| Flexural Strength (Yield) | 31.0-82.7 MPa |
| Flexural Modulus | 1030-2070 MPa |
| Elongation (Break) | 13-17% |
| Izod Notched Impact Strength | 110-200 J/m (23°C)16-32 J/m (-40°C) |
| Water Absorption | 7.7-12% (23°C) |
| Shrinkage - Flow |
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