Products in Composite Materials: Laminate

NEXIPAL® is a versatile EAP (Electroactive Polymer) laminate designed for actuators and capacitive sensors. It is composed of one or multiple ultrathin silicone layers, known as ELASTOSIL® Film, which have a thickness ranging from 20 to 400 µm. These silicone layers are coated with specialized electrodes, laminated together, and then precisely cut into the desired shape. Multiple layers can be stacked on top of each other to achieve the desired performance.

MC514MG is a glass phenolic, semi-conductive laminate which was designed for corona discharge in the power generation industry. The graphitic carbon additive in the resin system enables easy installation in the slots and provides the necessary conductivity to safely remove harmful charges from the system.

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.

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.

ES3 consists of a black phenolic paper core and two colored decorative surfaces impregnated with melamine resin. The three-ply, high performance material comes in a standard sheet size of 36 inches ± 1.00 x 39 inches ± 1.00, with standard thicknesses of 1/16, 3/32, and 1/8 inch. Standard finish options are polished, or P (highly polished and shiny), or LS (non-brushed and dull).

A paper-base laminate with low phenolic resin content for hard, flat surfaces. This material is most commonly used for drill entry material in the PCB industry.

BR70 is a red colored composite made from a 24 oz/sq. yd canvas which is passed through the treater twice to insure impregnation of the fibers and to obtain the resin content desired for optimal performance. The resin system is a phenolic with good impregnation qualities and cured hardness. BR70 is designed for highly loaded bearing applications, where the lubrication is provided by oil, water or a mixture.

ES4 is composed of layers of a pigmented paper melamine resin inner cores and white, black, or colored cover sheets. The main difference between this product and ES-1 is that the ES-4 core is colored rather than white. The material comes in a standard sheet size of 36 inches ± 1.00 x 39 inches ± 1.00, with standard thicknesses of 1/16, 3/32, and 1/8 inch. Standard finish options are polished, or P (highly polished and shiny), and Lamicoid satin, or LS (non-brushed and dull). Contact Customer Service for Availability.

BR60 is a black colored composite made from a 24 oz/sq. yd canvas which is passed through the treater twice to insure impregnation of the fibers and to obtain the resin content desired for optimal performance. The resin system is a molybdenum disulfide filled phenolic with good impregnation qualities and cured hardness. BR60 is specifically designed for highly loaded bearing applications, where the lubrication is provided by the molybdenum disulfide. It may have a slightly greenish tint in the finished laminate.

Bleached canvas phenolic laminate with graphite added as a solid lubricant. This material has improved wear properties under certain conditions. Better moisture absorption and machinability than NP315. Material is conductive to electricity and should not be used where this is detrimental to the application.

MC511AF is a high strength, medium weave glass epoxy laminate that retains a minimum of 50 percent of its room temperature flexural strength when tested at 150ºC. Typical applications include insulation in power generation equipment and other structural applications when used in elevated temperatures. MC511AF is certifiable to MIL-I-24768/3, Type GEB.

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.

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

ES2 consists of three internal layers (two colored decorative surfaces, two white sub-cores just below the surfaces, and a black core centered in the thermoset composite material). ES-2 is a five-ply material, which comes in a standard sheet size of 36 inches ± 1.00 x 39 inches ± 1.00, with standard-thicknesses of 3/32 and 1/8 inch. Weights of the three standard-thickness sheets are approximately 7.0, and 9.3 lb., respectively. Standard finish options are polished, or P (highly polished and shiny), or LS (non-brushed and dull).

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.

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.

MC511FR is a high strength, medium weave glass epoxy laminate that retains a minimum of 50 percent of its room temperature flexural strength when tested at 150ºC. Typical applications include structural applications when used in elevated temperatures. MC511FR also complies with MIL-I-24768/28, Type GEB-F. Certification to IEC standard is pending.

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.

ES1 is a melamine laminate composed of a white melamine paper core and various pigmented cover sheets. The three-ply material comes in a standard sheet size of 36 inches ± 1.00 x 39 inches ± 1.00, with standard thicknesses of 1/16, 3/32, and 1/8 inch. Standard finish options are polished, or P (highly polished and shiny), and Lamicoid satin, or LS (non-brushed and dull).

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.

MC330 is a cotton cloth/phenolic resin composite which is specially processed to be used in cryogenic applications. Such applications include spacers for installation of liquid oxygen apparatus where temperatures are as low as minus 320° F.

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.

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.

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.

Canvas phenolic laminate with molybdenum disulfide lubricant. The mechanical properties are slightly lower than NP310. NP313 is used for lubricity in the composite when carbon (graphite) cannot be used because of conductivity.

MC511A is a high strength, glass epoxy laminate that is specially formulated to meet power generation producer’s exacting standards where higher strength at elevated temperatures are required. MC511A is certifiable to MIL-I-24768/3, Type GEB, IEC-60893-3-2 EP GC 203 and is halogen free to meet the European restrictions.

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.

Canvas phenolic laminate with molybdenum disulphide added as a solid lubricant. This material has improved wear properties under certain conditions. Material is semi-conductive to electricity and should no be used where this is detrimental to the application.

NP572 is a high strength, medium weave glass epoxy laminate that retains a minimum of 50 percent of its room temperature flexural strength when tested at 150ºC and its Tg is guaranteed to be 180°C or greater. Typical applications include electrical equipment subjected to elevated temperatures. NP572 is certifiable to IEC 60216-3, IEEE STD 98-2002 and ASTM D2304 for Class H insulation in electrical devices. NP572 is also certifiable to MIL-I-24768/3, Type GEB.

Linen phenolic laminate with graphite added as a solid lubricant. The linen substrate provides better surface to machined parts, and, more uniform wear resistance than NP315.

NP338 is a combination of two Norplex-Micarta grades, NP310 which is a canvas phenolic, on one side of the laminate, and NP315, a canvas phenolic with graphite added as a solid lubricant on the other side of the laminate. NP338 is ideal for applications requiring high impact strength and low coefficient of friction such as railway couplers. Material is conductive to electricity and should not be used where conductivity is detrimental to the application.

A paper-base laminate with low phenolic resin content for hard, flat surfaces. This material is normally used in the printed circuit board industry as a backup for the drilling operation. However, it is also used in other industries for tooling stock because of its ease of machining and good dimensional stability.

NP310BW is a cotton phenolic composite which is specifically designed to dissipate heat better than standard cotton phenolic products. Applications include trunion wheels, wire strander rolls and pile-driver head cushions.

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.