NP625 Phenolic Sheet: Superior Electrical Performance & Robust Bonding

Paper phenolic grade with better electrical properties than NP612. NP625 requires slightly more heat to shear and punch than NP612.

Properties

General

Property	Value	Testing Standard	Comment
Bonding strength	499 Kg	ASTM D229	Condition A
Density	1.39 g/cm³	ASTM D792
Moisture absorption	1.6 %	ASTM D570	Condition D₁-24/23

Mechanical

Property	Value	Testing Standard	Comment
Compressive strength	203.4 MPa	ASTM D695	Condition A \| Flatwise
Flexural modulus	5.9 GPa	ASTM D790	Condition A, Transverse
	6.9 GPa	ASTM D790	Condition A
Flexural strength	117.2 MPa	ASTM D790	Condition A, Transverse
	131 MPa	ASTM D790	Condition A
Hardness, Rockwell M	85 [-]	ASTM D785
Impact strength, Izod unnotched, ASTM	37 J/m	ASTM D256	Condition E-48/50, Transverse
	40 J/m	ASTM D256	Condition E-48/50
Shear strength	72.4 MPa	ASTM D732	Condition A, Transverse
Tensile strength	85.5 MPa	ASTM D638	Condition A

Thermal

Property	Value	Testing Standard	Comment
Coefficient of thermal expansion	1.5e-05 1/K	IPC-TM 650-2.4.24
	1.9e-05 1/K	IPC-TM 650-2.4.24	Transverse
Relative temperature index, electrical	130 °C		UL Bulletin 746b¹
Relative temperature index, mechanical strength	130 °C		UL Bulletin 746b¹
Arc resistance	90 seconds, ASTM D495, Condition A
Flammability	UL Bulletin 94, Class HB, Condition A

Electrical

Property	Value	Testing Standard	Frequency	Comment
Breakdown voltage	50 kV	ASTM D149		Condition A
Comparative tracking index	180 V	ASTM D3638
Dielectric constant	6.05 [-]	ASTM D150	1MHz	Condition D-24/23
Dielectric strength	27.56 kV/mm	ASTM D149		Condition A
Dissipation factor	0.06 [-]	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.

NP612 Phenolic Sheet – Flexible, Durable Electrical Insulation Phenolic NP630 Sheet – Superior Machining Grade with Exceptional Electrical and Moisture Resistance

Composite material