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PVC Invisible Magnetic Snap Closure Ni 18 x 2mm, Powerful Sew-in Disc Rare Earth NdFeB Permanent Button Magnet, Sew-in Hidden Magnets with Circular PVC, Sew in Magnetic Snaps Purse Closure, Sintered Neodymium Plastic Cover Magnet, extremely strong PVC-coating disc magnet, PVC Invisible Hidden Sewing Disc Magnets, Invisible Sew-in Magnetic Snap China Supplier
PVC Invisible Magnetic Snap Closure Ni 18 x 2mm Technical Specifications:
Material: Neodymium (NdFeB)
Plating: Nickel (Ni-Cu-Ni)
Magnet Shape: Disc
PVC Cover Shape: Circular , Round
Diameter: 18 mm
Height: 2 mm
Side length square PVC cover: 28 mm
Magnetisation Direction: Axial / Radial
Residual Magnetic Flux Density (Br): 1170-1220 mT (11.7-12.2 kGs)
Energy Density (BH)max: 263-287 KJ/m³ (33-36 MGOe)
Coercivity Force (Hcb): ≥ 868 kA/m ( ≥ 10.9 kOe)
Intrinsic Coercivity Force (Hcj): ≥ 955 kA/m ( ≥ 12 kOe)
Maximum Operation Temperature: 80 °C
Delivery Time: 14-35 days
These are disc magnets (18 x 2 mm) with an adhesive force of almost 2 kg, shrink-wrapped into a round PVC cover. They can be sewn into clothing or used in wet surroundings without rusting.
Clear PVC cover with + / – pole (Magnet with + / – pole also can be produced)
Strong double face magnet button
Super thin and easy to use
DIY your creation
Replace your old buttons
Each magnet is vacuum packed in a pliable sewing-friendly vinyl setting round sewing magnet.
Installation is a snap!
Simply sew through the setting square, with smooth side down, attaching it to the back of your lining fabric.
No special tools required.
Use your standard sewing foot, sewing needle and construction thread to sew through the vinyl setting square to secure the magnet to the back of the fabric. See IMPORTANT NOTE below.
Worry free installation
There are metal prongs to tear through the bag or lining.
These sew-in magnetic snaps are much stronger than standard pronged magnetic snaps.
IMPORTANT INSTRUCTIONS FOR USE:
Because the magnets in these snaps are SO strong, it is important that the magnet be covered with fabric to prolong wear. Otherwise the vinyl setting square can tear and allow the magnets to come loose.
If you are installing these sew-in magnets on pre-quilted fabric, we suggest covering each side of the magnet with a facing. Our patterns that use these snaps include detail instructions for this.