Phenolic NP639 Sheet – 150°C Rated, Low-Moisture, High-Strength Laminate

NP639 is an economical paper reinforced laminate developed with capacity to withstand temperatures to 150°C without blistering. It has high compressive strength and low moisture absorption. It must be post baked to obtain its full mechanical and where characteristics.

Properties

General

Property	Value	Testing Standard	Comment
Bonding strength	725.7 Kg	ASTM D229	Condition A
Density	1.39 g/cm³	ASTM D792
Moisture absorption	1 %	ASTM D570	Condition D₁-24/23

Mechanical

Property	Value	Testing Standard	Comment
Compressive strength	275.8 MPa	ASTM D695	Condition A \| Flatwise
Flexural modulus	9 GPa	ASTM D790	Condition A, Transverse
	10.3 GPa	ASTM D790	Condition A
Flexural strength	137.9 MPa	ASTM D790	Condition A, Transverse
	172.4 MPa	ASTM D790	Condition A
Hardness, Rockwell M	105 [-]	ASTM D785
Impact strength, Izod unnotched, ASTM	27 J/m	ASTM D256	Condition E-48/50, Transverse
	35 J/m	ASTM D256	Condition E-48/50
Shear strength	89.6 MPa	ASTM D732	Condition A, Transverse
Tensile strength	117.2 MPa	ASTM D638	Condition A

Thermal

Property	Value	Testing Standard	Comment
Coefficient of thermal expansion	2.2e-05 1/K	IPC-TM 650-2.4.24
	2.5e-05 1/K	IPC-TM 650-2.4.24	Transverse
Relative temperature index, electrical	150 °C		UL Bulletin 746b¹
Relative temperature index, mechanical strength	150 °C		UL Bulletin 746b¹
Flammability	UL Bulletin 94, Class HB, Condition A

Electrical

Property	Value	Testing Standard	Comment
Breakdown voltage	50 kV	ASTM D149	Condition A
Dielectric strength	27.56 kV/mm	ASTM D149	Condition A

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.

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