Phenolic Cotton Cloth Laminated Sheets

Properties and Applications:

Type: 3025 3025B 3025C
Features: 3025, 3025B, 3025C Phenolic Cotton Cloth Laminated Sheets are made of layers cotton cloth impregnated phenolic resin by processing under heat and pressure.3025B and 3025C are similar to 3025 . Properties of 3025B and 3025C ,which are more economical, is a little lower than 3025.

Properties	Unit	Value
Properties	Unit	3025	3025B	3025C
Density	g/cm3	1.30～1.40	1.30～1.45	1.30～1.45
Flexural strength perpendicular to lamination	Mpa	≥100	≥90	≥70
Bonding Strength	N	--	≥5500	≥5500
Impact Strength (Notched Izod )	kJ/m2	≥ 8.8	--	--
Dielectric strength perpendicular to lamination at 90±2c in transformer oil	MV/m	≥0.82	--	--
Dielectric strength parallel to lamination at 90±2c in transformer oil,	KV	≥1	--	--
Insulation resistance after impregnated in water	ohm	≥1x10e6	--	--
Water absorption for 1.6mm thick	mg	≤ 220	--	--
Color	--	Natural &Black	Natural &Black	Natural &Black

Note:

Area: 980mm ×1980mm(38” x 78”);1020mmx1220mm(40” x 48”);
1020mm x 2040mm(40” x 80”);1220mmx2470mm(48” x 97”)
Thickness: 0.5 ~ 120mm
Packing: 500~700Kgs / pallet


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