eFunda Polymers: Properties of Cellulosic {cellulose nitrate}
engineering fundamentals Polymer Material Properties
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Cellulosic
 
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State: cellulose nitrate
Material Properties
 Mechanical Properties Conditions
State 1 State 2 ASTM
Elastic Modulus (MPa)   1311 - 1518  tensile   D638
Tensile Strength (MPa)   48 - 55 at break   D638
Compressive Strength (MPa)
at yield or break
  14 - 55     D695
Flexural Strength (MPa)
at yield or break
  62 - 76     D790
Elongation at break (%)   40 - 45     D638
Hardness   95 - 115  Rockwell R   D638
Izod Impact (J/cm of notch)
1/8" thick specimen unless noted
  2.7 - 3.7     D256A

 Thermal Properties Conditions
Pressure State ASTM
Coef of Thermal Expansion (10-6/ºC)   80 - 120     D696
Deflection Temperature (ºC)   60 - 71   1.82 MPa   D648
Thermal Conductivity (W/m-ºC)  0.230     C177

 Physical & Electrical Properties Conditions
State ASTM
Specific Gravity  1.35 - 1.4   D792
Water Absorption (% weight increase)  1 - 2  after 24 hrs D570
Dielectric Strength (V/mil);
1/8" thick specimen unless noted
  300 - 600   D149

 Processing Properties Conditions
Type ASTM
Processing Temperature (ºC)   85 - 93  compression molding  
Molding Pressure (MPa)   14 - 34    

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P.D. George, Co. St. Louis, MO   
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