Norplex-Micarta RT505F

Chemical Family: Melamines

RT505F has good electrical properties under humid conditions and has excellent arc resistance. The “F” version is made from a fine weave fabric. Typical applications include fuse tubes and naval switchboard insulation. RT505F also complies with MIL-I-24768/8, Type GMG and ASTM D709 Type IV Grade G-5.

Properties

Physical Form: Tube

Product families

Industrial — Chemical & Industrial Manufacturing

Equipment & Parts

Electrical & Electronics — Parts & Components

Housings & Enclosures
Switches & Relays

Other characteristics

Density: 1880.0 - 1880.0 kg/m³
Features: Arc Resistant, Good Electrical Properties
Polymer Name: Melamine Formaldehyde (MF)
Reinforcement Material: Glass Fibers
Markets: Electrical & Electronics
Industrial
Technology: Composite Materials
Plastics
Fillers Included: Glass Fiber
Product Families: Composite Materials — Parts & Shapes
Plastics — Parts, Shapes & Films
Quality Standards: MIL-I-24768/8 Type GMG
NEMA G-5
Composites End Use: Bushings
Insulators
Spacer
Switch Board
Material Features: Arc Resistant
Good Electrical Properties
Plastics and Elastomers End Uses: O Rings

Technical data

Table 1 of 3

6 rows

Characteristic	Value	Unit	Method
Specific Gravity (0.75" ID x 1.00" OD)	1.88	—	ASTM D792
Rockwell Hardness (0.75" ID x 1.00" OD)	120	M Scale	ASTM D785
Moisture Absorption (0.75" ID x 1.00" OD, Condition D1-24/23)	0.9	%	ASTM D570
Tensile Strength (0.75" ID x 1.00" OD, Condition A)	26500	psi	ASTM D638
Compressive Strength (0.75" ID x 1.00" OD, Condition A)	31250	psi	ASTM D695
Compressive Modulus (0.75" ID x 1.00" OD, Condition A)	600	kpsi	ASTM D695

Table 2 of 3

2 rows

Characteristic	Value	Unit	Method
Temperature Index (0.75" ID x 1.00" OD)	150/150	°C	—
Flammability Rating (0.75" ID x 1.00" OD, Condition A)	V-0	Class	UL Bulletin 94

Table 3 of 3