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Norplex-Micarta BR70 Phenolic Canvas Laminate Sheet
Categories: Polymer; Thermoset; Phenolic
Material Notes: BR70 is a red colored composite made from a 24 oz/sq. yd canvas which is passed through the treater twice to insure impregnation of the fibers and to obtain the resin content desired for optimal performance. The resin system is a phenolic with good impregnation qualities and cured hardness. BR70 is designed for highly loaded bearing applications, where the lubrication is provided by oil, water or a mixture.

Information provided by Norplex-Micarta
Key Words: Cotton, Phenolic, Micarta
Vendors: Norplex-Micarta is the leading manufacturer of high performance thermoset composite materials. We work directly with customers to manufacture the highest quality specialty sheet products, pre-pregs, rods and molded shapes, and tubes to meet demanding composite applications for our OEMs and fabricators around the world. Visit norplex-micarta.com.

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Physical PropertiesMetricEnglishComments
Specific Gravity 1.42 g/cc
@Thickness 12.7 mm		1.42 g/cc
@Thickness 0.500 in		ASTM D792
Moisture Absorption 0.0600 %
@Thickness 1.57 mm		0.0600 %
@Thickness 0.0620 in		ASTM D570 Condition A
 
Mechanical PropertiesMetricEnglishComments
Hardness, Rockwell M 95
@Thickness 6.35 mm		95
@Thickness 0.250 in		ASTM D785
Tensile Strength  77.9 MPa
@Thickness 12.7 mm		11300 psi
@Thickness 0.500 in		CrossWise; ASTM D638 Condition A
 78.6 MPa
@Thickness 12.7 mm		11400 psi
@Thickness 0.500 in		LengthWise; ASTM D638 Condition A
Flexural Strength  93.8 MPa
@Thickness 12.7 mm		13600 psi
@Thickness 0.500 in		CrossWise; ASTM D790 Condition A
 139 MPa
@Thickness 12.7 mm		20200 psi
@Thickness 0.500 in		LengthWise; ASTM D790 Condition A
Flexural Modulus  7.129 GPa
@Thickness 12.7 mm		1034 ksi
@Thickness 0.500 in		CrossWise; ASTM D790 Condition A
 9.363 GPa
@Thickness 12.7 mm		1358 ksi
@Thickness 0.500 in		LengthWise; ASTM D790 Condition A
Compressive Strength 252 MPa
@Thickness 12.7 mm		36500 psi
@Thickness 0.500 in		Flatwise; ASTM D695 Condition A
Shear Strength 95.8 MPa
@Thickness 12.7 mm		13900 psi
@Thickness 0.500 in		perpendicular; ASTM D732 Condition A
Izod Impact, Unnotched  1.51 J/cm
@Thickness 12.7 mm		2.83 ft-lb/in
@Thickness 0.500 in		CrossWise; ASTM D256 Condition E-48/50
 3.40 J/cm
@Thickness 12.7 mm		6.36 ft-lb/in
@Thickness 0.500 in		LengthWise; ASTM D256 Condition E-48/50
 
Thermal PropertiesMetricEnglishComments
CTE, linear, Parallel to Flow 19.5 µm/m-°C
@Thickness 12.7 mm		10.8 µin/in-°F
@Thickness 0.500 in		IPC-TM 650-2.4.24
CTE, linear, Transverse to Flow 27.6 µm/m-°C
@Thickness 12.7 mm		15.3 µin/in-°F
@Thickness 0.500 in		IPC-TM 650-2.4.24
UL RTI, Mechanical with Impact 125 °C257 °FUL Bulletin 746b
Flammability, UL94 HB
@Thickness 12.7 mm		HB
@Thickness 0.500 in
 
Descriptive Properties
Bonding Strength2300[lb]; 0.5"; ASTM D229 Condition D-48/50

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