ROTUBA H4 Cellulose Acetate is a classic thermoplastic cellulose organic acid ester, synthesized by acetylation with acetic anhydride and presented as powder. It has outstanding rigidity, with Rockwell hardness of 101R and tensile strength at break of 49.6MPa, suitable for injection molding, extrusion and other molding processes. It meets the comprehensive requirements of consumer toys
High Hardness and Strength Performance - Rockwell hardness of 101R and tensile strength at break of 49.6MPa, suitable for rigid structural parts, strong deformation resistance, ensuring product structural stability and durability.
Excellent Rigidity Support - Flexural modulus of 1520MPa and flexural strength of 64.1MPa, sufficient rigidity, suitable for precision instrument shells and electronic brackets, meeting high - precision assembly requirements.
Stable Dimensional Control - Water absorption rate of 2.3%, small dimensional shrinkage after molding, suitable for thin - walled and complex structural parts, ensuring product assembly accuracy and appearance consistency.
Efficient Molding Processing - Powder form for easy dispersion, suitable for injection molding, extrusion and thermoforming, helping efficient mass production of rigid components and reducing processing costs.
Consumer Toys - Used for building blocks, assembled models, etc., high rigidity and deformation resistance, non - toxic and environmentally friendly, ensuring children's use safety and product durability.
Precision Instrument Shells - Suitable for instrument and sensor shells, high strength and dimensional stability, ensuring instrument accuracy and protection performance.
Spectacle Frame Components - Used for frame bodies and temples, high hardness and not easy to deform, improving wearing comfort and product texture.
Automotive Interior Parts - Suitable for instrument panel buckles and door panel trim strips, sufficient rigidity and high temperature resistance, ensuring stable structure and beauty of interior decoration
| 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 g/cm³ |
| Rockwell Hardness | 101R |
| Tensile Strength | 40.3 MPa (Yield)49.6 MPa (Break) |
| Flexural Strength (Yield) | 64.1 MPa |
| Flexural Modulus | 1520 MPa |
| Elongation (Yield) | 28% |
| Izod Notched Impact Strength | 150 J/m (23°C)53 J/m (-40°C |
Contact With Us:
E-mail: wangxingqiang@ericwchem.com
Have a Questions? Call Us:
Add:
Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China