Overview of materials for Cellulose Acetate Butyrate, Molded

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Overview of materials for Cellulose Acetate Butyrate, Molded
Categories:	Polymer; Renewable/Recycled Polymer; Thermoplastic; Cellulosic; Cellulose Acetate Butyrate, Molded
Material Notes:	This property data is a summary of similar materials in the MatWeb database for the category "Cellulose Acetate Butyrate, Molded". Each property range of values reported is minimum and maximum values of appropriate MatWeb entries. The comments report the average value, and number of data points used to calculate the average. The values are not necessarily typical of any specific grade, especially less common values and those that can be most affected by additives or processing methods.
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Physical Properties	Original Value	Comments

Density	1.16 - 1.50 g/cc	Average value: 1.19 g/cc Grade Count:111
Water Absorption	1.20 - 2.10 %	Average value: 1.42 % Grade Count:77
Maximum Moisture Content	0.0500 - 0.150	Average value: 0.118 Grade Count:19
Linear Mold Shrinkage	0.00200 - 0.0110 cm/cm	Average value: 0.00466 cm/cm Grade Count:105
Melt Flow	2.00 - 30.0 g/10 min	Average value: 9.06 g/10 min Grade Count:29

Mechanical Properties	Original Value	Comments
Hardness, Rockwell R	12.0 - 112	Average value: 66.7 Grade Count:33
Ball Indentation Hardness	35.0 - 95.0 MPa	Average value: 65.5 MPa Grade Count:27
Tensile Strength, Ultimate	20.0 - 125 MPa	Average value: 37.5 MPa Grade Count:96
Tensile Strength, Yield	15.9 - 50.0 MPa	Average value: 31.2 MPa Grade Count:110
Elongation at Break	3.00 - 55.0 %	Average value: 37.8 % Grade Count:72
Elongation at Yield	0.000 - 40.0 %	Average value: 5.39 % Grade Count:23
Modulus of Elasticity	0.900 - 2.10 GPa	Average value: 1.58 GPa Grade Count:32
Flexural Yield Strength	21.4 - 200 MPa	Average value: 41.8 MPa Grade Count:105
Flexural Modulus	0.827 - 7.60 GPa	Average value: 1.39 GPa Grade Count:97
Izod Impact, Notched	0.910 - 5.34 J/cm	Average value: 3.01 J/cm Grade Count:78
	0.370 - 1.23 J/cm @Temperature -40.0 - -40.0 °C	Average value: 0.991 J/cm Grade Count:38
Charpy Impact Unnotched	11.5 J/cm² - NB	Average value: 16.7 J/cm² Grade Count:32
	16.5 J/cm² - NB @Temperature -40.0 - -30.0 °C	Average value: 16.5 J/cm² Grade Count:11
Charpy Impact, Notched	1.26 - 4.00 J/cm²	Average value: 2.21 J/cm² Grade Count:32
	0.330 - 1.10 J/cm² @Temperature -40.0 - -30.0 °C	Average value: 0.645 J/cm² Grade Count:11

Electrical Properties	Original Value	Comments
Electrical Resistivity	1.00e+13 - 1.00e+15 ohm-cm	Average value: 5.05e+14 ohm-cm Grade Count:33
Dielectric Constant	3.30 - 3.80	Average value: 3.55 Grade Count:33
Dielectric Strength	11.8 - 18.7 kV/mm	Average value: 15.3 kV/mm Grade Count:33
Dissipation Factor	0.0100 - 0.150	Average value: 0.0800 Grade Count:33

Thermal Properties	Original Value	Comments
CTE, linear	11.0 - 170 µm/m-°C	Average value: 44.8 µm/m-°C Grade Count:36
CTE, linear, Transverse to Flow	137 - 168 µm/m-°C	Average value: 148 µm/m-°C Grade Count:3
Specific Heat Capacity	1.26 - 1.67 J/g-°C	Average value: 1.47 J/g-°C Grade Count:33
Thermal Conductivity	0.170 - 0.330 W/m-K	Average value: 0.250 W/m-K Grade Count:33
Deflection Temperature at 0.46 MPa (66 psi)	68.0 - 214 °C	Average value: 84.9 °C Grade Count:42
Deflection Temperature at 1.8 MPa (264 psi)	52.0 - 205 °C	Average value: 75.9 °C Grade Count:111
Vicat Softening Point	60.0 - 118 °C	Average value: 97.7 °C Grade Count:106
Glass Transition Temp, Tg	98.0 - 107 °C	Average value: 102 °C Grade Count:3
Flammability, UL94	HB	Grade Count:5

Optical Properties	Original Value	Comments
Refractive Index	1.46 - 1.49	Average value: 1.48 Grade Count:33
Haze	8.50 %	Average value: 8.50 % Grade Count:34
Transmission, Visible	90.0 %	Average value: 90.0 % Grade Count:37

Processing Properties	Original Value	Comments
Melt Temperature	180 - 246 °C	Average value: 216 °C Grade Count:72
Mold Temperature	32.0 - 80.0 °C	Average value: 56.3 °C Grade Count:65
Drying Temperature	50.0 - 90.0 °C	Average value: 68.0 °C Grade Count:28

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to go back to viewing the property data in MatWeb's normal format.

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