Phenolic BP12NPN Sheet – Superior Machinability & Cost‑Effective Performance

Fine weave canvas phenolic material with fabric construction weight intermediate to BP11NPN and BP21NPN. BP12NPN is designed for better machining than grade BP11NPN and lower cost than BP21NPN.

Properties

General

Property	Value	Testing Standard	Comment
Bonding strength	861.8 Kg	ASTM D229	Condition A
Density	1.35 g/cm³	ASTM D792
Moisture absorption	1.8 %	ASTM D570	Condition A

Mechanical

Property	Value	Testing Standard	Comment
Compressive strength	241.3 MPa	ASTM D695	Condition A \| Flatwise
Flexural modulus	9 GPa	ASTM D790	Condition A, Transverse
	11.7 GPa	ASTM D790	Condition A
Flexural strength	156.5 MPa	ASTM D790	Condition A, Transverse
	172.4 MPa	ASTM D790	Condition A
Hardness, Rockwell M	100 [-]	ASTM D785
Impact strength, Izod unnotched, ASTM	75 J/m	ASTM D256	Condition E-48/50, Transverse
	85 J/m	ASTM D256	Condition E-48/50
Shear strength	96.5 MPa	ASTM D732	Condition A, Transverse
Tensile strength	87.6 MPa	ASTM D638	Condition A

Thermal

Property	Value	Testing Standard	Comment
Coefficient of thermal expansion	2e-05 1/K	IPC-TM 650-2.4.24
	2.2e-05 1/K	IPC-TM 650-2.4.24	Transverse
Relative temperature index, electrical	125 °C		UL Bulletin 746b¹
Relative temperature index, mechanical strength	125 °C		UL Bulletin 746b¹
Flammability	UL Bulletin 94, Class HB, Condition A

Electrical

Property	Value	Testing Standard	Comment
Breakdown voltage	3 kV	ASTM D149	Condition D48/50
	40 kV	ASTM D149	Condition A
Dielectric strength	11.81 kV/mm	ASTM D149	Condition D-48/50
	21.65 kV/mm	ASTM D149	Condition A

Technological properties

Property
Fillers	Cotton Fabric
Other	1.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
Supplier Disclaimer	This data, while believed to be accurate and based on reliable analytical methods, is for informational purposes only. The terms and conditions of the agreement under which it is sold will govern any sales of this product. Data supplied above are "typical values"; not to be considered "specification values". To assure the material's performance is adequate for a specific application; customers should verify, independent of Norplex-Micarta, performance characteristics of interest. It is the responsibility of the users of this information to make sure that they have the latest version of this TDB, and are urged to check with Customer Service or, preferably our web site, www.norplex-micarta.com, to determine if the information is the most current available.

Property

Fillers

Cotton Fabric

Other

1.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

Supplier Disclaimer

This data, while believed to be accurate and based on reliable analytical methods, is for informational purposes only. The terms and conditions of the agreement under which it is sold will govern any sales of this product. Data supplied above are "typical values"; not to be considered "specification values".

To assure the material's performance is adequate for a specific application; customers should verify, independent of Norplex-Micarta, performance characteristics of interest.

It is the responsibility of the users of this information to make sure that they have the latest version of this TDB, and are urged to check with Customer Service or, preferably our web site, www.norplex-micarta.com, to determine if the information is the most current available.

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Composite material