DuPont Nomex® 410 Square Form Wedge, 24 Mil x 17/64" x 15/64", 36" Length Special Bulk, MFR ID WGENHT241715BSLPAW
- MFR #Nomex® 410-SQ-36-BU
- EIS #WGENHT241715BSLPAW
- Series #Nomex® 410-SQ-36-BU
$815.47 / 1000Foot
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Nomex® Type 410 is a calendered insulation paper which offers high inherent dielectric strength, mechanical toughness, flexibility and resilience. Nomex® Type 410 is the original form of Nomex® paper and is widely used in a majority of electrical equipment applications. Nomex® Type 410 is used in almost every known electrical sheet insulation application. Radiation resistance - Nomex® 410 is essentially unaffected by 800 megarads (8 Mgy) of ionizing radiation and still retains useful mechanical and electrical properties after eight times this exposure.
Excellent dielectric strength - Nomex® insulation features excellent electrical properties, special bulk even when exposed to environmental conditions such as high humidity. Available in 12 thicknesses (0.05 to 0.76 mm) (2 to 30 mil). Visit our video channel to learn more about Square Form Wedge!
Applications
- High-temperature Applications
- Motors
- Generators
- Traction Motors
- Transformers
Features
- Nomex® 410 is available in 11 thicknesses, ranging from (2 mil to 30 mil), with specific gravities ranging from 0.72 g/cm2 to 1.1 g/cm2
- Normal-use temperatures, temperature has only a minor effect on the dielectric strength and dielectric constant of Nomex® 410, Elevated temperatures have only a minor effect on the tensile strength and elongation of Nomex® 410
- Effect of corona - like other organic insulating materials, Nomex® paper is gradually eroded under attack by corona discharges. Corona intensity is a function of voltage stress, which, in turn, depends almost entirely on design parameters such as spacing between circuit elements, smooth vs. sharp contours, etc
- Electrical properties - Nomex® 410 withstands short-term electrical stresses of 18 kV/mm to 34 kV/mm (460 V/Mil to 870 V/Mil), depending on thickness. These values differ from long-term strength potential. DuPont suggests that continuous stresses in transformers not exceed 1.6 kV/mm (40 V/Mil) to help minimize the risk of partial discharges (corona)
- Densified Nomex® products are strong, resilient and (in the thinner grades) flexible, with good resistance to tearing and abrasion mechanical properties
- Thermal Properties - arrhenius plots of aging behavior provide the basis for recognition of Nomex® paper as a 220 deg C insulation by Underwriters Laboratories (UL) and other certifying bodies. These curves can also be extrapolated to higher temperatures. For example, measurements show that Nomex® 410 will maintain 12 kV/mm (300 V/mil) dielectric strength for several hours at 400 deg C
- Chemical stability - the compatibility of Nomex® papers and pressboards with virtually all classes of electrical varnishes and adhesives-polyimides, silicones, epoxies, polyesters, acrylics, phenolics, synthetic rubbers, etc. - as well as other components of electrical equipment, is demonstrated by the many UL-recognized systems based on Nomex® products
- Flame resistance - the limiting oxygen index (LOI) of Nomex® 410 at room temperature ranges between 27% and 32%, depending on thickness and density. at 220 deg C, the LOI of Nomex® 410 ranges between 22% and 25%. Materials with an LOI above 20.8% - the critical value for combustion in air-will not support combustion
- Radiation Resistance - Nomex® 410 is essentially unaffected by 800 megarads (8 Mgy) of ionizing radiation and still retains useful mechanical and electrical properties after eight times this exposure. by comparison, a laminate of polyester film and polyester mat of the same thickness, 100% epoxy-impregnated, crumbled after 800 megarads (8 Mgy). Similar results are seen with exposure to gamma radiation
General Information
| Item Name | Square Form Wedge |
| Trade Name | Nomex® 410 |
| Series | Nomex® 410-SQ-36-BU |
Design & Construction
| Material | Aramid Paper Type 410 |
Performance Details
| Thickness Shrinkage | 0 |
Electrical Properties
| Dielectric Strength | 810 |
Physical Properties
| Elongation | 18% (MD), 14% (TD) |
| Height | 0.234 Inch |
| Length | 36 |
| Thickness | 24 |
| Width | 0.26 Inch |
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