Mumetal, Nickel 80% Permalloy Sheet, For Magnetic Field Shielding 0.35T- 30×15cm

Description: Mumetal, Nickel Permalloy, Magnetic shielding foil, Sheet Application AC Electromagnetic Power line , Motor, Coil Very effective DC Geo-magnetic field Earth Very effective Magnet effective (Use Nickel 48% mumetal, 0.35 T) Dimensions Size 30 cm × 15 cm (11.8" × 5.9 ") Thickness 0.35mm (0.0138") It can be cut to custom size and shape. Write down the dimensions on the order. Cutting examples Annealing Annealed at 1066℃ for four hours Specification Main Composition Nikel 80%, Molybdenum 5%, Iron 14% Specific Gravity 8.74 Thermal Expansion 12.9℃x 10 Tensile Strength 135PS x 10 Yield Strength 21PS x 10 Typical Hardness Ann. (Rockwell B) 58 Elongation (/ 2inch) 38% Melting Point 2650°F / 1454℃ Thermal Conductivity 240Btu·inch/ ft/ hr/ 최소동작온도 4 Electrical Resistivity 620μΩ·mm Saturation Induction 7,700Gauss initial permeability 30,000 B-40 Permeability 70,000 B-200 Permeability 90,000 Maximum Permeability 400,000 Coercive Force max. 0.02 Curie Temp 860°F / 460℃ Annealed at 1066℃ for four hours * Demonstration --- Shielding the Neodymium magnetic field using our mumetal (with 0.35mm thickness) Overview Magnet ── Neodymium magnet (Diameter 2.5 cm, Thickness 5 mm) Gaussmeter ── F.W.Bell 6010 model The gap between Magnet and Probe ── 5mm Mumetal thickness ── 0.35mm (0.35T) , Total 8 layers Method ── Put our mumetal with 1 layer to 8 layers between magnet and sensor. Mumetal Total mumetal thicness (mm) Measured value (G=gauss) Neodymium magnet ≒ 2000G Ferrite magnet ≒ 300G For pefect shielding of magnetic field of Neodymium magnet, Use 10 layers of our 0.35mm thickness mumetal. 0 1229 G 1 layer 0.35 1102 G 2 layers 0.7 977 G 3 layers 1.05 844 G 4 layers 1.4 725 G 5 layers 1.75 590 G 6 layers 2.1 434 G 7 layers 2.45 267 G 8 layers 2.8 131 G * Demonstration --- Shielding the Geo-magnetic field using our mumetal (with 0.1mm thickness) No mumetal Put geo-magnetic sensor on our mumetal Wrap geo-magnetic sensor with our mumetal · Geo-magnetic field Measured value X-axis 42.5 mG 2.3 mG 0.3 G Y-axis 282.1 mG 32.5 mG 11.7 mG Z-axis 403.1 mG 358.2 mG 7.1 mG Max value 493.8 mG 359.7 mG 13.7 mG Result With 0.1mm thickness mumetal, Max. 97% shielding rate. Our mu-metal items on eBay. Size (cm , inch) Coating Price Order 30×15 30×30 30×45 30×90 30×100 No One side adhesive Double side insulation $ 11.8"× 5.9" 11.8"× 11.8" 11.8"× 17.7 " 11.8"× 35.4 " 11.8"× 39.4" Thickness 0.1 T ◇ ◇ 30 Go ◇ ◇ 45 Go ◇ ◇ 84 Go ◇ ◇ 85 Go ◇ ◇ 87 Go ◇ ◇ 88 Go 0.2 T ◇ ◇ 40 Go ◇ ◇ 120 Go ◇ ◇ 130 Go 0.35 T ◇ ◇ 35 Go ◇ ◇ 75 Go ◇ ◇ 95 Go ◇ ◇ 180 Go ◇ ◇ 190 Go 1 T ◇ ◇ 77 ◇ ◇ 150 ◇ ◇ 190 ◇ ◇ 380 Thickness 0.1 T = 0.1 mm = 0.0039 inch 0.2 T = 0.2 mm = 0.0079 inch 0.35 T = 0.35 mm = 0.0138 inch 1 T = 1 mm = 0.039 inch Size Coating Price Order cm 47×50 47×100 Double side insulation $ inch 18.5×19.7 18.5×39.4 Thickness 0.12 T ◇ ◇ 60 Go ◇ ◇ 120 Go Size Price Order cm 23×30 23×45 23×100 30×45 30×100 $ inch 9.25×11.8 9.25×17.7 9.25×39.4 11.8"×17.7 " 11.8"×39.4" Thickness 0.35 T ◇ 32 Go ◇ 45 Go ◇ 95 Go ◇ 60 Go ◇ 120 Go Shielding distinction ( Nickel 80% vs. Nickel 48%) Electrical Resistivity Maximum Permeability Saturation flux density Coercivity Nickel 80% 620 μΩ·mm 400,000 0.75 0.008~0.02 Nickel 48% 480 μΩ·mm 100,000 1.5 0.1 Nickel 48% mumetal is more suitable for magnetic shielding of neodymium magnets. (25% better for blocking effect) Nickel 48% Permalloy(mumetal) can also be used for AC magnetic field shielding. It shows 80~90% shielding ability of nickel 80% permalloy.

Price: 35 USD

Location: GWANGJU-SI, GYEONGGI-DO

End Time: 2023-12-05T19:34:02.000Z

Shipping Cost: 12 USD