Naturacell® 21 by Rotuba is an eco-friendly, durable, attractive, plant or wood based cellulose acetate plastic resin. Contains 21% plant-based plasticizer and renewable resource content. Exhibits tough impact strength, superior clarity & transparency, high surface gloss, strong chemical resistance, and warm to the touch properties. Naturacell® 21 is recommended for appliance components, automotive exterior & interior trims, bathroom accessories, cosmetic packaging, electrical/electronic applications, eyeglasses, film, furniture, handles, labels, packaging, personal care, sporting goods, toothbrush handles, toys, tubing and writing instruments. Complies with the UL File Number E322742.
Product family:
Chemical family:
Product Type:
| Bio Based | Visible After Login |
| Bio Based content | Visible After Login |
| Color | Visible After Login |
| Appearance | Visible After Login |
Compliance
| Certifications & Compliance | Visible After Login |
Applications
Recommended markets
Applications
Conversion mode
Availability
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Regional Availability:Visible After Login| Visible After Login| Visible After Login
Naturacell® 21 properties
Flammability properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Flame Rating, UL 94 | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Flame Rating, UL 94 | 0.0 Visible After Login | Visible After Login | Visible After Login |
Mechanical properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Elongation at Break | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Flexural Modulus | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Flexural Strength at Yield | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Hardness, Rockwell R | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Impact Strength, Notched Izod | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Tensile Strength at Break | 0.0 Visible After Login | Visible After Login | Visible After Login |
Optical properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Haze | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Transmittance, Visible | 0.0 Visible After Login | Visible After Login | Visible After Login |
Other properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Tensile Strength at Yield | 0.0 Visible After Login | Visible After Login | Visible After Login |
Physical properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Flow Designation | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Linear Mold Shrinkage, Flow | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Melt Mass-Flow Rate (MFR or MFI = Melt Flow Index or MI = Melt Index) | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Specific Gravity | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Water Absorption | 0.0 Visible After Login | Visible After Login | Visible After Login |
Thermal properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Heat Deflection Temperature (HDT), Unannealed | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Heat Deflection Temperature (HDT), Unannealed | 0.0 Visible After Login | Visible After Login | Visible After Login |
| UL RTI, Electrical | 0.0 Visible After Login | Visible After Login | Visible After Login |
| UL RTI, Mechanical with Impact | 0.0 Visible After Login | Visible After Login | Visible After Login |
| UL RTI, Mechanical without Impact | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Vicat Softening Temperature | 0.0 Visible After Login | Visible After Login | Visible After Login |
Naturacell® 21 Processing Guidelines
Extrusion Processing Guidelines
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Melt Temperature | Visible After Login | Visible After Login | |
Injection Molding Processing Guidelines
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Back Pressure | Visible After Login | Visible After Login | |
| Booster Cycle Time | Visible After Login | Visible After Login | |
| Cure Time | Visible After Login | Visible After Login | |
| Cycle Time | Visible After Login | Visible After Login | |
| Drying Temperature | Visible After Login | Visible After Login | |
| Drying Time | Visible After Login | Visible After Login | |
| Front Temperature | Visible After Login | Visible After Login | |
| Injection Pressure | Visible After Login | Visible After Login | |
| Middle Temperature | Visible After Login | Visible After Login | |
| Mold Temperature | Visible After Login | Visible After Login | |
| Nozzle Temperature | Visible After Login | Visible After Login | |
| Rear Temperature | Visible After Login | Visible After Login | |
| Vent Depth | Visible After Login | Visible After Login | |











