Our Magnesia Soldering Block is made of a non-asbestos fiber material, soft enough to pin objects to the surface for precise soldering, yet strong
Magnesia Blocks Myth Debunked - Ganoksin Jewelry Making Community
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Non-asbestos fireproof material for soldering on. Stays smooth, unlike charcoal. Lightweight, but durable. Withstands temperatures to 2000 F. 6 x 3 x
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2 Magnesia Soldering Blocks For Soldering Jewelry & Fine Welding This is a new set of 2 magnesia soldering blocks These two blocks are made of a soft,
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