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Norplex-Micarta MC330

MC330 is a cotton cloth/phenolic resin composite which is specially processed to be used in cryogenic applications. Such applications include spacers for installation of liquid oxygen apparatus where temperatures are as low as minus 320° F.

Functions: Laminate

Polymer Name: Phenolic Compound

Reinforcement Material: Cotton

End Uses: Cryogenic Applications, Spacer

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Identification & Functionality

Chemical Family
Polymer Name
Reinforcement Material
Composite Materials Functions

Features & Benefits

Materials Features

Applications & Uses

Properties

Physical Form
Physical Properties
ValueUnitsTest Method / Conditions
Bonding Strength (Condition A, *t₃)2500lb
Bonding Strength (Condition D-48/50, *t₃)2300lbASTM D229
Compressive Strength (Condition A, Flatwise, *t₃)34000psiASTM D695
Flexural Modulus (Conditon A, Crosswise, *t₁)1500 x10³psi
Flexural Modulus (Conditon A, Lengthwise, *t₁)1600 x10³psi
Flexural Strength (Conditon A, Crosswise, *t₁)17000psi
Flexural Strength (Conditon A, Lengthwise, *t₁)18000psi
Izod Impact Strength (Notched, Condition E-48/50, Crosswise, *t₃)1.75ft-lb/inASTM D256
Izod Impact Strength (Notched, Condition E-48/50, Lengthwise,*t₃)1.95ft-lb/inASTM D256
Moisture Absorption (Condition Dᵢ-24/23, *t₁)3.5%
Rockwell Hardness (*t₁)100M Scale
Shear Strength (Condition A, Perpendicular, *t₁)14000PsiASTM D732
Specific Gravity (*t₁)1.37ASTM D792
Tensile Strength (Conditon A, Crosswise, *t₂)9700psiASTM D638
Tensile Strength (Conditon A, Lengthwise, *t₂)12000psi
Thermal Properties
ValueUnitsTest Method / Conditions
Coefficient of Thermal Expansion (X-axis, *t₁)20in/in/°CIPC-TM 650-2.4.24
Coefficient of Thermal Expansion (Y-axis, *t₁)22in/in/°CIPC-TM 650-2.4.24
Flammability Rating (*t₁)HBClassU. L. 94
Temperature Index¹ (Mechanical, *t₁, *t₂, *t₃)125°CUL Bulletin 746b
Electrical Properties
ValueUnitsTest Method / Conditions
Arc Resistance (Condition A, *t₂)15sASTM D495
Breakdown Voltage (Condition A, *t₁)20 x10³VASTM D149
Breakdown Voltage (Condition D-48/50, *t₁)5 x10³VASTM D149
Comparative Tracking Index (*t₂)155VASTM D3638
Electric Strength (Condition A, *t₁)400V/milASTM D149
Electric Strength (Condition D-48/50, *t₁)150V/mil
Note
  • 1NEMA LI-6: This temperature is a recommendation only, and based upon experience in various applications. The maximum operating temperature is dependent upon the application and should be investigated prior to use.
  • *t₁= Thickness tested at 0.062 inch
  • *t₂= Thickness tested at 0.125 inch
  • *t₃= Thickness tested at 0.500 inch

Regulatory & Compliance