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R-5660-S series of Flexible Mica Plate is a good heat resistant insulating material, which retains its permanent flexibility at room temperature. The product consists of approximately 90 % Muscovite (or Phlogopite) and 10% high temperature resistant silicone resin.

R-5660-S series has acquired UL94V-0 approval with the file No.E231452, TUV approval on environmental safe (the file No. Z05811263 ), SGS-RoHS approval with the file No. SH6148278/CHEM, and has been authorized for use in contact with food products (certificate from the FDA with the file No. RJSSZ060586FDA).

R-5660- S series has two species:
    > R-5660- S 1: Muscovite Flexible Mica Plate , Silver color, Heat resistance: 500 ℃ / 932 °F (In constant operation), 750 ℃ / 1382 °F (in intermittent operation) .
    > R-5660- S 3: Phlogopite Flexible Mica Plate , Golden/Amber color, Heat resistance: 750 ℃ / 1382 °F (In constant operation), 1000 ℃ / 1832°F (in intermittent operation) .

R-5660- S series are flexible and can be permitted winding or wrapping into place without heating. They are used as linings, covers or backings, as a separating sheet or insulating sheet, the application is: Heat gun, Hair dryers, Fan heaters, Circuit breakers, Transformers, Electric furnaces, Generator, Magnetic Coil, and Coil Insulation etc.

No.	Item	Unit	R-5660-S1	R-5660-S3	Test Procedure
	mica paper		muscovite	phlogopite
1	Mica content	%	ca.90	ca.90	IEC 371-2
2	Bond content	%	ca.10	ca.10	IEC 371-2
3	Density	g/cm2	c a.1.9	c a.1.9	IEC 371-2
4	Heat Resistant
	continuous services	℃	500	700
	intermittent services	℃	800	1000
5	Heat loss at 500 ℃	%	<1	<1	IEC 371-2
	Heat loss at 700 ℃	%	<2	<2	IEC 371-2
6	Dielectric strength	KV/mm	>10	>10	IEC 243
7	Flame Resistance		94V0	94V0	UL94