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    AI Overview
    Strong Permanent Rare Earth NdFeB Magnet Block Cube with ...
    Rare Earth Block Epoxy NdFeB Magnets are incredibly strong Neodymium (NdFeB) magnets shaped as blocks, coated in epoxy for enhanced corrosion resistance, making them durable for waterproof, marine, automotive, and industrial uses where standard nickel coatings might fail, though single epoxy layers are less durable than multi-layer coatings. These magnets are prized for their power in small sizes but require careful handling due to their strength, which can cause them to shatter or damage surfaces if they snap together. 
    Key Characteristics 
    • Material (NdFeB): Neodymium, Iron, and Boron alloy, known for being the strongest permanent magnets.
    • Shape: Block (rectangular, square, etc.).
    • Coating: Epoxy, providing superior corrosion resistance, especially compared to standard nickel plating in harsh conditions (water, chemicals).
    • Strength: Extremely powerful, often used in high-tech applications, motors, EVs, and strong holding fixtures.
    • Durability: While epoxy protects, a single epoxy layer is less robust than multi-layer (Epoxy-Copper-Nickel) coatings and can chip, so careful handling is crucial. 
    Applications 
    • Marine & Automotive: Waterproof connectors, sensors, vehicle components.
    • Industrial: Jigs, fixtures, holding tools exposed to coolants or oils.
    • Energy: Wind turbines, sensors.
    • DIY: Magnetic knife blocks, crafts, custom projects. 
    Important Considerations 
    • Handling: Strong magnetic fields can attract from a distance, causing magnets to shatter or pinch skin; take extreme care.
    • Corrosion: While epoxy helps, moisture and salt can still damage them over time, especially single-layer epoxy.
    • Temperature: NdFeB magnets lose magnetism at high temperatures (around 80°C/176°F). 
    • Neodymium Magnets N42 Block Epoxy+Ni 2 in x 1 in x 1/2 in
      Epoxy single layer coating is THE LEAST durable coating from our experience. 3-layer coating is much more durable than Epoxy singl...
      Magnet4Less
    • N52 Neodymium Magnets 2 in x 3/4 in x 1/8 in NdFeB Rare Earth ...
      Dec 24, 2023 — As Expected. ... Shipped quickly, high quality and strong. Used to build a magnetic knife block for wall, worked very ...
      Applied Magnets
    • Waterproof Epoxy Coated Neodymium Magnets
      Applications of Epoxy Coated (Waterproof) Magnets Epoxy coated magnets are widely used in industries requiring waterproof, anti-co...
      www.strong-magnetics.com
    Show all
    • Neodymium Magnets N42 Block Epoxy+Ni 2 in x 1 in x 1/2 in
      Epoxy single layer coating is THE LEAST durable coating from our experience. 3-layer coating is much more durable than Epoxy singl...
      Magnet4Less
    • N52 Neodymium Magnets 2 in x 3/4 in x 1/8 in NdFeB Rare Earth ...
      Dec 24, 2023 — As Expected. ... Shipped quickly, high quality and strong. Used to build a magnetic knife block for wall, worked very ...
      Applied Magnets
    • Waterproof Epoxy Coated Neodymium Magnets
      Applications of Epoxy Coated (Waterproof) Magnets Epoxy coated magnets are widely used in industries requiring waterproof, anti-co...
      www.strong-magnetics.com
    • Rare Earth Magnets vs Regular Magnets | Eclipse Magnetics
      Feb 28, 2022 — The Disadvantages of Rare-Earth Magnets While rare-earth magnets possess some advantages, there are a few disadvantage...
      Eclipse Magnetics
    • Rare Earth Magnet Epoxy+Ni 2 in x 1 in x 3/8 in Neodymium Block
      Neodymium rare earth magnet (also known as Neo, NdFeB, NIB or super magnet) , a type of rare earth magnet, is a permanent magnet m...
      Applied Magnets
    • An overview of NdFeB magnets recycling technologies
      NdFeB magnets are used at 34.4% for motors and generators; 13.6% for HDDs and DVDs; 10.9% for EVs and E-bikes; and 7.2% for energy...
      ScienceDirect.com
    • What Are Neodymium Magnets?
      How Strong Are Neodymium Magnets? Very strong. They will amaze you! A 2-gram (0.07 ounce) neodymium magnet that measures 8 millime...
      Adams Magnetic Products
    • 3/4 x 1/8 Inch Neodymium Rare Earth Countersunk Ring Magnets ...
      3/4 x 1/8 Inch Neodymium Rare Earth Countersunk Ring Magnets N35 with Black Epoxy (36 Pack) for Sale | totalElement.
      totalElement
    • P063HP-BE | 2"L x 1"W x 1/16"T Neodymium Block Magnet
      P063HP-BE ~ Neodymium Block magnet | 2" Long | 1" Wide | 1/16" Thick | Black Epoxy coated | Grade N40 | NdFeB | Magnetized through...
      Amazing Magnets
    • Neodymium Magnets: A Buying Guide - RS Components
      Feb 9, 2023 — Do Neodymium Magnets Wear Out? NdFeB magnets are sensitive to high temperatures and will lose their charge if exposed t...
      RS Components Australia
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    2 x 3/4 x 3/16 Inch Powerful Neodymium Rare Earth Block ...


    totalElement
    https://totalelement.com › products › 2-x-3-4-x-3-16-in...
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    Purchase super strong neodymium rare earth block magnets, measuring 2 x 3/4 x 3/16 inch . Powerful NdFeb grade N42 magnets for sale with 28.2 lbs pull force ...
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    Rare Earth Magnet Epoxy+Ni 2 in x 1 in x 3/8 in ...


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    Rare Earth Magnet Epoxy+Ni 2 in x 1 in x 3/8 in Neodymium Block. Model # : NB054-3-N42. Price Range: $14.00 - $15.00. Quantity Price Chart
    $15.00 · In stock · $27.53 delivery · 30-day returns

    P063HP-BE | 2"L x 1"W x 1/16"T Neodymium Block Magnet


    Amazing Magnets
    https://amazingmagnets.com › ... › Block-Plate-Cube
    Amazing Magnets
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    P063HP-BE ~ Neodymium Block magnet | 2" Long | 1" Wide | 1/16" Thick | Black Epoxy coated | Grade N40 | NdFeB | Magnetized through the thickness.
    $8.41 · In stock · 1–5 day delivery

    1/2 x 1/8 Inch Neodymium Rare Earth Epoxy Coated Disc ...


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    https://www.kjmagnetics.com › ... › disc magnets
    K&J Magnetics
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    The coating gives the magnets a deep, black finish. Epoxy coated magnets are a good option if you will be using the magnets outdoors or in a humid environment.
    $1.19 · In stock · $23.58 delivery · 30-day returns

    N42 3/8"x3/8"x1/8" Neodymium Rare Earth Block Magnet ...


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    This powerful neodymium block magnet measures 3/8" in length, 3/8" in width, and 1/8" in thickness and is made of a grade N42 neodymium, iron, and boron ...
    $0.49 · 4-day delivery

    Rare Earth Magnet Epoxy+Ni 2 in x 1 in x 3/8 in ...


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    https://appliedmagnets.com › rare-earth-magnet-epoxy-n...
    Applied Magnets
    https://appliedmagnets.com › rare-earth-magnet-epoxy-n...
    Neodymium rare earth magnet (also known as Neo, NdFeB, NIB or super magnet) , a type of rare earth magnet, is a permanent magnet made from neodymium, iron, ...
    $15.00 · In stock · $22.75 delivery · 30-day returns

    Black Epoxy Coated Rare Earth Block Ndfeb Magnet Strong ...


    Alibaba.com
    https://www.alibaba.com › ... › Magnetic Materials
    Alibaba.com
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    Black Epoxy Coated Rare Earth Block Ndfeb Magnet Strong Custom Square Neodymium Magnets ; 15-21 days. Delivery Time ; Super. Brand Name ; Industrial Magnet.

    3/4 x 1/8 Inch Waterproof Neodymium Rare Earth Disc ...


    totalElement
    https://totalelement.com › products › 3-4-x-1-8-inch-po...
    totalElement
    https://totalelement.com › products › 3-4-x-1-8-inch-po...
    Our super strong 3/4 x 1/8 inch neodymium rare earth permanent disc magnets offer a powerful fastening solution in a relatively small footprint.
    $22.29 · In stock · 4.5(8) · Free delivery · 30-day returns

    Epoxy Coated Neodymium Block Magnets


    powerful-magnets.com
    https://www.powerful-magnets.com › products › epoxy...
    powerful-magnets.com
    https://www.powerful-magnets.com › products › epoxy...
    The rectangular(square) neodymium block magnets are made with epoxy coating, which give the block magnets smooth appearance, and make it waterproof.
    Popular products
    • Rare Earth Magnet Epoxy+Ni 2 in x 1 in x 3/8 in Neodymium Block.
      Rare Earth Magnet Epoxy+Ni 2 in x 1 in x 3/8 in Neodymium Block
      $15.00
      Applied Magnets Superstore       & more
      Rare Earth Magnet Epoxy+Ni 2 in x 1 in x 3/8 in Neodymium Block
      $15.00
      Applied Magnets Superstore       & more
    • Neodymium Rare Earth Block Magnets N42.
      Neodymium Rare Earth Block Magnets N42
      $37.79
      totalElement       & more
      Free delivery by Tue
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      Neodymium Rare Earth Block Magnets N42
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    • P063HP-BE ~ Neodymium Block magnet | 2" Long | 1" Wide | 1/16" Thick | Black Epoxy coated | Grade N40 | NdFeB | Magnetized through the thickness.
      P063HP-BE ~ Neodymium Block magnet | 2" Long | 1" Wide | 1/16" Thick | Black Epoxy coated | Grade N40 | NdFeB | Magnetized through the thickness
      $8.41
      Amazing Magnets
      P063HP-BE ~ Neodymium Block magnet | 2" Long | 1" Wide | 1/16" Thick | Black Epoxy coated | Grade N40 | NdFeB | Magnetized through the thickness
      $8.41
      Amazing Magnets
    • N52 Neodymium Epoxy Coated Magnet Block.
      N52 Neodymium Epoxy Coated Magnet Block
      $0.46
      Supreme Magnets
      N52 Neodymium Epoxy Coated Magnet Block
      $0.46
      Supreme Magnets
    • 1" x 1/2" x 1/4" Black Epoxy-Coated Block Neodymium Rare Earth.
      1" x 1/2" x 1/4" Black Epoxy-Coated Block Neodymium Rare Earth
      $3.99
      eBay - 1960galaxy
      1" x 1/2" x 1/4" Black Epoxy-Coated Block Neodymium Rare Earth
      $3.99
      eBay - 1960galaxy
    • Rare Earth Magnets Neodymium Block N42.
      Rare Earth Magnets Neodymium Block N42
      $5.89
      Applied Magnets Superstore       & more
      Rare Earth Magnets Neodymium Block N42
      $5.89
      Applied Magnets Superstore       & more
    • Epoxy+Ni Neodymium N50 Block Magnets.
      Epoxy+Ni Neodymium N50 Block Magnets
      $14.85
      Magnet4less Magnets       & more
      Epoxy+Ni Neodymium N50 Block Magnets
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    Wholesale Rare Earth Block Epoxy NdFeB Magnets,Custom Rare ...


    cnsupermagnet.com
    https://www.cnsupermagnet.com › rare-earth-block-epo...
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    Epoxy coated neodymium block magnets provide strong performance and durable protection, ideal for use in electronics, machinery, and outdoor applications.

    Scholarly articles for Rare Earth Block Epoxy NdFeB Magnets

    … resin composite coating on sintered NdFeB magnet - ‎Zhang - Cited by 38
    … and magnetic properties of rare-earth bonded magnets - ‎Liu - Cited by 10
    … NdFeB magnetic rings coated with double layer epoxy … - ‎Yang - Cited by 4

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