Products in Switches & Relays: Laminate

Hot punching general-purpose phenolic grade. Mechanical properties approach those of NP610 with improved electrical properties and moisture resistance. Certification to IEC standard is pending.

Hot punching general-purpose phenolic grade. Mechanical properties approach those of NP610 with improved electrical properties and moisture resistance. NP611 meets the requirements of IEC60893-3-4-PF CP 201.

NP613 is constructed from electrical grade of kraft paper and a specially modified epoxy resin system. It is designed to be used in tap changers, coil support plates and terminal panels for transformers and their accessories.

A paper-base laminate with low phenolic resin content for hard, flat surfaces. It is typically hot punched for numerous low voltage electrical applications of less than 250 volts where the material is not subjected to high humidity.

Paper phenolic grade with better electrical properties than NP612. NP625 requires slightly more heat to shear and punch than NP612. Certification to IEC standard is pending.

Hot punching grade with excellent electrical properties and low moisture absorption. Major application is for punched parts for switches and other insulation applications requiring high electrical strength in applications where either moisture is present or in areas of high humidity.

Room temperature punching and shearing grade up to 0.125″ thick. NP615 is more flexible with lower mechanical properties than NP611. NP615 is produced with high resin content melamine impregnated surfaces to give the resulting laminate better arc resistance. Intended for applications where electrical and moisture requirements are secondary.

Phenolic paper based grade for mechanical applications. Good tensile, compressive and flexural strength. Primarily a machining material, but may be hot punched up to .093" thick. NP610 meets MIL-I24768/12 Type PBM, ASTM D709 Type X and IEC 60893-3-4 PFCP 201.

Low cost room temperature punching grade with mechanical and electrical properties similar to NP612. This version is made with pigment cover plies on the surface.

Lower cost paper phenolic NEMA Grade XP. NP660 uses natural kraft paper without pigmented cover sheet. It is a warm to hot punching material. It is available in natural and black only, without a pigmented cover, only. Certification to IEC standard is pending.

NP630 is a fine machining grade with excellent electrical properties and moisture resistance. It has low cold flow with good dimensional stability.

Woven glass fabric, melamine resin laminate. NP509 is very hard, flame resistant, machining grade with excellent electrical properties in high humidity conditions. NP509 has high physical strength and excellent arc resistance. Meets MIL-I-24768/1 type GME, MIL-I-24768/8 type GMG and IEC 60893-3-3-MF GC 201.

Room temperature punching and shearing paper phenolic grade up to .125" thick. NP612 is more flexible with lower mechanical properties than NP611, and is intended for applications where electrical and moisture requirements are of secondary importance. NP612 meets the requirements of MIL-I-24768/20.

NP643 is constructed from an electrical grade kraft paper and a high temperature specially modified epoxy resin system. It is designed to be used in tap changers, coil support plates and terminal panels for transformers and their accessories.

NP629 is a paper-phenolic high-pressure laminate and intended primarily for mechanical applications, but is suitable for electrical applications as well. The electrical properties are not quite as good as those of NP630. Certification to IEC standard is pending.

Warm punching, composite grade with woven glass covers for improved flexural, tensile and impact strength. It has better electrical properties and higher mechanical strength than NP611.

Atlas Fiber Grade XXX Phenolic Sheet is a paper base phenolic laminate with good mechanical properties, high dielectric strength, and good resistance to moisture. Grade XXX is our most economically priced grade and is recommended for most mechanical applications, for use at radio frequencies, and in high humidity situations. Grade XXX is the electrical grade paper phenolic.

Lamitex® XX PF CP 23 paper/phenolic laminated sheet and tubes offer high dielectric and very good mechanical strengths. Grade XX laminate and tubing are frequently specified for use in transformers, switchboards, mounting blocks, insulating panels, washers and spacers, and switchgear applications.

Acculam™ Phenolkraft Paper X/XX comprised of a phenolic resin binder and a saturating kraft (paper) substrate. It qualifies to NEMA X/XX and MIL-I-24768/11/12.This is a general purpose grade with good mechanical and electrical insulating properties. Its versatility, good machining characteristics and lower cost encourage its applications as switch plates, barriers, terminal strips, washers and other electrical components.

Lamitex® G-10CR/G-10 EP GC 21 laminated sheet is a woven glass fabric composite impregnated with an epoxy resin. It is primarily used for mechanical, electrical and electronic applications where extremely high mechanical strengths are required at room and moderate temperatures. It is frequently specified for its excellent resistance to chemicals and retention of good electrical properties in dry and high humidity environments. G-10 is non-brominated and is not flame retardant and should not be confused with a similar glass epoxy grade FR-4, which is flame retardant.

Atlas Fiber G-9 Sheet is a continuous woven glass fabric laminated with a melamine resin. Grade G-9 has good mechanical properties plus high resistance to flame, heat, arcing, and most strong alkali solutions. It is recommended for use where good mechanical properties are needed under wet conditions. G-9 is an exact substitute for G-5.

Lamitex® FR-4 EP GC 23 epoxy laminated sheet is reinforced with a woven glass fabric. It is primarily used for mechanical, electrical and electronic applications where extremely high mechanical strengths are required at room and moderate temperatures. Lamitex FR-4 meets or exceeds NEMA FR-4 and Mil-I-24768/27 specifications, has excellent resistance to chemicals and retains its' electrical properties in dry and high humidity environments.

Lamitex® G-7 SI GC 21 glass/silicone laminated sheets are primarily used for mechanical, electrical and electronic applications where high mechanical strengths are required at temperatures up to 220°C. G-7 exhibits extremely good dielectric loss properties under dry conditions and good electrical properties under humid conditions.

Lamitex® LE PF CC 21 cotton/phenolic sheets are intended for use in electrical applications requiring good moisture resistance. It has lower mechanical strength than materials with glass substrates, but has superior impact resistance when compared to paper based laminates. LE possesses good dielectric properties and medium dielectric loss and can be machined to relatively close tolerances.

Resiten® GLEM is a fine weave cotton fabric/melamine laminate with a glass epoxy interleave.

Lamitex® G-3 PF GC 21 glass/phenolic laminated sheet is most frequently preferred for application that require high flexural and impact strengths and good electrical properties under low relative humidity conditions. . Lamitex G-3 meets or exceeds NEMA G-3, Mil-I-24768/18 specifications and meets UL 94-HB requirements.

Lamitex® XXX PF CP 24 sheet has excellent machining characteristics, low moisture absorption and excellent dimensional stability over large changes in temperature and humidity. Chemical resistance is good when exposed to organic solvents and oils. Grade XXX is frequently specified for use in switchgear, oil filled transformers and power distribution products, tooling stock and test panel applications.

Lamitex® G-11/G-10 EP GC 22 laminated sheet is a woven glass fabric composite impregnated with an epoxy resin. It is primarily used for mechanical, electrical and electronic applications where extremely high mechanical strengths are required at room and moderate temperatures. It is frequently specified for its excellent resistance to chemicals and retention of good electrical properties in dry and high humidity environments. G-11 is non-brominated, is not flame retardant and should not be confused with a similar glass epoxy grade FR-5 which is flame retardant.