Phenolic NP634 Sheet: High-Performance Composite for Superior Flexural, Tensile, and Impact Strength

Warm punching, composite grade with woven glass covers for improved flexural, tensile and impact strength. It has better electrical properties and higher mechanical strength than NP611.

Properties

General

Property	Value	Testing Standard	Comment
Bonding strength	680.4 Kg	ASTM D229	Condition A
Moisture absorption	0.72 %	ASTM D570	Condition D₁-24/23
Density	Variable

Mechanical

Property	Value	Testing Standard	Comment
Compressive strength	286.1 MPa	ASTM D695	Condition A \| Flatwise
Flexural modulus	10.3 GPa	ASTM D790	Condition A, Transverse
	12.4 GPa	ASTM D790	Condition A
Flexural strength	307.5 MPa	ASTM D790	Condition A, Transverse
	355.8 MPa	ASTM D790	Condition A
Hardness, Rockwell M	108 [-]	ASTM D785
Impact strength, Izod unnotched, ASTM	120 J/m	ASTM D256	Condition E-48/50, Transverse
	178 J/m	ASTM D256	Condition E-48/50
Shear strength	96.5 MPa	ASTM D732	Condition A, Transverse
Tensile strength	164.8 MPa	ASTM D638	Condition A

Thermal

Property	Value	Testing Standard	Comment
Coefficient of thermal expansion	1.3e-05 1/K	IPC-TM 650-2.4.24
	1.5e-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
Arc resistance	120 seconds, ASTM D495, Condition A
Flammability	UL Bulletin 94, Class HB, Condition A

Electrical

Property	Value	Testing Standard	Frequency	Comment
Breakdown voltage	7 kV	ASTM D149		Condition D48/50
	53 kV	ASTM D149		Condition A
Comparative tracking index	200 V	ASTM D3638
Dielectric constant	5.2 [-]	ASTM D150	1MHz	Condition D-24/23
Dielectric strength	21.65 kV/mm	ASTM D149		Condition D-48/50
	23.62 kV/mm	ASTM D149		Condition A
Dissipation factor	0.037 [-]	ASTM D150	1MHz	Condition D-24/23

Technological properties

Property
Fillers	Paper
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

Paper

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.

BP21NPN Phenolic Sheet – High-Performance Fabric for Precision Machining Polyimide P95 Sheet – High-Temperature Glass‑Fabric Composite for Superior Heat Resistance

Composite material