Mica Plate Composites

Mica splitting with varnished glass adds toughness and strength to the plate. Rigid and flexible mica composite sheets are excellent for applications such as slot lining or coils wraps. Produced to NEMA standards. NEMA 311 is a combination of polyester bonded mica splittings with polyester varnished glass. NEMA 312 is a combination of silicone bonded mica splitting with silicone varnished glass. NEMA 311P is a combination of mica paper polyester resin with polyester varnished glass. NEMA 312P is a combination of mica paper with silicone resin with silicone varnished glass.

Other combinations of mica plate with polyester film or plain glass cloth on one or two slides are available.

Please contact OUR sales team to discuss your technical needs, pricing and any questions you might have.

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Suggested uses for all products in this chart include: Slot Liners in D.C. & A.C. Motors and Generators, Phase, Layer and Barrier insulation in Coils and Transformers.

Mica Spec Sheets

Product #	NEMA Grade	Spec. MIL-!-3505 type	Temp Class	Binder Type	Construction	Finished Thickness	Short time Dielectric Strength	Standard Sheet size
11847	311	Vg-m-Vg	155	Polyester	.003" Varnished Glass Cloth / .003" Mica / .003" Varnished Mica Cloth	0.01	900	36" x36"
11848	311	Vg-m-Vg	155	Polyester	.003" Varnished Glass Cloth / .005" Mica / .003" Varnished Mica Cloth	0.012	800	36" x36"
11849	311	Vg-m-Vg	155	Polyester	.005" Varnished Glass Cloth / .005" Mica / .005" Varnished Mica Cloth	0.015	1000	36" x36"
11241	311	Vg-m-Vg	155	Epoxy	.003" Varnished Glass Cloth / .008" Mica / .003" Varnished Mica Cloth	0.015	1100	36" x36"
11250	311	Vg-m-Vg	155	Polyester	.003" Varnished Glass Cloth / .014" Mica / .003" Varnished Mica Cloth	0.02	1000	36" x36"
11850	301	G-m-G	155	Epoxy	.003"Glass Cloth / .014" Mica / .003" Mica Cloth	0.02	300	36" x36"
11852	321	F-m-F	155	Polyester	.001" Polyester Film / .003" Mica / .001" Polyester Film	0.005	2000	36" x36"
11980	321	F-m-F	155	Epoxy	.003" Polyester Film / .006" Mica / .003" Polyester Film	0.008	1500	36" x36"
11854	321	F-m-F	155	Polyester	.001" Polyester Film / .009" Mica / .001" Polyester Film	0.011	1200	36" x36"
11855	323	F-m-F	155	Polyester	.002" Polyester Film / .011" Mica / .002" Polyester Film	0.015	1300	36" x36"
11361	323	F-m-F	155	Epoxy	.002" Polyester Film / .006" Mica / .002" Polyester Film	0.01	2000	36" x36"
11856	323	F-m-F	155	Polyester	.002" Polyester Film / .015" Mica / .002" Polyester Film	0.02	1200	36" x36"
11827	none	none	200+	Silicone	.002" Polyester Film / .015" Mica / .002" Polyester Film	0.009	1000	36" x36"
11054	312	Vg-mVg-S	200+	Silicone	.002" Polyester Film / .015" Mica / .002" Polyester Film	0.01	1090	36" x36"
11056/11060/11063/11074	312	Vg-mVg-S	200+	Silicone	.002" Polyester Film / .015" Mica / .002" Polyester Film	.012 / .015 / .020 / .025	600 / 600 / 550 / 450	36" x36"
11540	306	None	200+	Silicone	.002" Polyester Film / .015" Mica / .002" Polyester Film	0.01	750	36" x36"

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