Naturacell® 21

About
Wood-based polymer Naturacell is a durable, attractive, plant-based plastic resin that can be reprocessed and reused in most applications. Best of all, it works with your existing tooling. So you can incorporate it into your products right away. Naturacell™’s extraordinary physical properties make it not only an environmentally friendly plastic, but also an ideal material for thousands of consumer products: Tough impact strength Superior clarity and transparency High surface gloss Strong chemical resistance Warm to the touch&&

Product Description
GenericCA
Material StatusCommercial: Active
FeaturesGood Clarity,Good surface appearance,High impact resistance,Renewable resources,Solvent resistance,HB
AvailabilitysNorth America,Europe
Process MethodsInjection Molding

Technical Data
PHYSICALNominal valueUnitTest method
Density1.31g/cm³ASTM D792
Melt Flow Rate1.4g/10minASTM D1238
Shrinkage rate
MD0.20 to 0.60%ASTM D955
Water absorption rate
23℃,24hr2.3 to 2.6%ASTM D570

IMPACTNominal valueUnitTest method
Impact strength of cantilever beam notch
23℃120 to 260J/mASTM D256

THERMALNominal valueUnitTest method
Hot deformation temperature ASTM D648
0.45 MPa, unannealed65.0 to 95.0ASTM D648
1.8 MPa, unannealed50.0 to 87.2ASTM D648
Vicat Softening Temp90.0 to 126ASTM D1525
Relative temperature index50.0UL 746
Electrical performance50.0UL 746
Impact mechanical performance50.0UL 746

FLAME CHARACTERISTICSNominal valueUnitTest method
Flame retardant level UL 94
1.50 mm, all colorsHB UL 94
3.00 mm, all colorsHB UL 94

optical performanceNominal valueUnitTest method
Transmittance
1520 µm> 90.0%ASTM D1003
Haze
1520 µm< 8.5%ASTM D1003

Supplementary informationNominal valueUnitTest method
Flow DesignationH3 

MECHANICALNominal valueUnitTest method
Rockwell hardness
R-level96 ASTM D785
tensile strength ASTM D638
yield66.2MPaASTM D638
fracture66.2MPaASTM D638
Tensile strain
fracture15%ASTM D638
Bending modulus2160MPaASTM D790
bending strength
yield71.7MPaASTM D790

Process Conditions
injectionNominal valueUnitTest method
ExtrusionNominal valueUnitTest method
Drying temperature66 to 71°C
Drying time2.0 to 3.0hr
Barrel rear temperature193 to 204°C
Barrel middle temperature193 to 204°C
Barrel front temperature199 to 210°C
Nozzle temperature210 to 221°C
Mold temperature38 to 82°C
Injection pressure14.5MPa
Back pressure0.00 to 0.448MPa
Vent depth0.051 to 0.76mm
Melt temperature199 to 216°C

Notes
1. Plant-based
2. Typical properties: these are not to be construed as specifications.
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