High-Performance Melamine RT509 Tube – Superior Electrical & Arc Resistance

Grade RT509 has good electrical properties under humid conditions and excellent arc resistance. RT509 also complies with MIL-I-24768/1, Type GME and ASTM D709 Type IV Grade G-9 and IEC 61212-3-1-MFGC 21.

Properties

General

Property	Value	Testing Standard	Comment
Density	1.95 g/cm³	ASTM D792
Moisture absorption	1 %	ASTM D570	Condition D₁-24/23

Mechanical

Property	Value	Testing Standard	Comment
Compressive modulus	6.9 GPa	ASTM D695	Condition A
Compressive strength	231.0 MPa	ASTM D695	Condition A
Hardness, Rockwell M	115 [-]	ASTM D785
Tensile strength	182.7 MPa	ASTM D638	Condition A

Thermal

Property	Value	Comment
Relative temperature index, electrical	150 °C	¹
Relative temperature index, mechanical strength	150 °C	¹
Flammability	UL Bulletin 94, Class V-0

Electrical

Property	Value	Testing Standard	Comment
Breakdown voltage	30 kV	ASTM D149	Condition D-48/50
	50 kV	ASTM D149	Condition D-336/50
	55 kV	ASTM D149	Condition A
Dielectric strength	13.38 kV/mm	ASTM D149	Condition D-48/50
	13.77 kV/mm	ASTM D149	Condition A

Technological properties

Property
Application areas	Typical applications include fuse tubes and switchboard insulation.
Fillers	Glass 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 2.The mechanical properties are converted from American unit system to International unit system.
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