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

ROTUBA H3 Cellulose Acetate

ROTUBA H3 Cellulose Acetate is a classic thermoplastic cellulose organic acid ester, synthesized by acetylation with acetic anhydride and presented as powder. It has outstanding rigidity, high impact strength and excellent selectivity of porous membrane, suitable for injection molding, extrusion and other molding processes. It meets the comprehensive requirements of toys, glasses, packaging

Features Of ROTUBA H3 Cellulose Acetate

  1. Efficient Separation and Permeability - The porous structure has high selectivity and large water permeability, suitable for filtration and separation scenarios, ensuring separation accuracy and efficiency.

  2. High Strength, Rigidity and Toughness - Tensile strength of 36.9MPa (yield), flexural strength of 57.9MPa, impact strength of 170J/M at 23℃, suitable for high - strength structural part molding.

  3. Precise Molding Adaptability - Excellent melt fluidity, suitable for injection molding/extrusion/thermoforming, shortening production cycle and reducing processing cost.

  4. Stable Environmental Resistance - Water absorption rate of 2.3%, load deformation of 1%-2% at 50℃, stable size after molding, suitable for various working conditions.

Typical Applications Of ROTUBA H3 Cellulose Acetate

  1. Safe Toy Manufacturing - High toughness and environmental protection, suitable for children's toy shells and structural parts, ensuring safety and durability in use.

  2. High - end Eyeglass Frames - Balanced high rigidity and toughness, suitable for eyeglass frames and temples, both beautiful and structurally stable.

  3. Precision Packaging Accessories - High gloss and easy to color, used for high - end packaging films, labels and buttons, improving the appearance texture of products.

  4. Electronic Insulation Components - Good insulation performance, used for insulation films of electronic components and insulation layers of wires and cables, ensuring electrical safety.

Specifications Of ROTUBA H3 Cellulose Acetate

Chemical NameCellulose Acetate
CAS Number9004-35-7
Chemical Formula[C₆H₇O₂(OH)₃₋ₘ(OOCCH₃)ₘ] (m=0-3)
Physical FormPowder
Specific Gravity1.28 g/cm³
Rockwell Hardness93R
Tensile Strength36.9 MPa (Yield)46.2 MPa (Break, 23°C)25.2 MPa (Break)
Flexural Strength (Yield)57.9 MPa
Flexural Modulus1410 MPa


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