{"title":"Reactive Metals","description":"\u003carticle class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto [content-visibility:auto] supports-[content-visibility:auto]:[contain-intrinsic-size:auto_100lvh] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-WEB:3e31266d-8b58-42ff-8107-00566dfe5d7b-20\" data-testid=\"conversation-turn-42\" data-scroll-anchor=\"true\" data-turn=\"assistant\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:--spacing(4)] thread-sm:[--thread-content-margin:--spacing(6)] thread-lg:[--thread-content-margin:--spacing(16)] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] thread-lg:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"3d708375-4e1c-4fe8-8d94-41455871edf0\" dir=\"auto\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal [.text-message+\u0026amp;]:mt-1\" data-message-model-slug=\"gpt-5-1\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[1px]\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full break-words dark markdown-new-styling\"\u003e\n\u003cp data-start=\"92\" data-end=\"377\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eShop titanium, niobium, and aluminum in versatile sheet and wire forms, offered in flat and round profiles across a wide range of gauges. Strong, lightweight, and anodizable, these metals are ideal for colorful designs, modern jewelry, and high-performance fabrication projects.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"z-0 flex min-h-[46px] justify-start\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"mt-3 w-full empty:hidden\"\u003e\n\u003cdiv class=\"text-center\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/article\u003e","products":[{"product_id":"niobium-round-wire-10-ft-coil-22-ga-soft","title":"ニオブム丸線、3.05 mコイル、0.64mm、ソフト","description":"この柔らかいニオブ丸線は、ジュエリー製作の基本であり、ジャンプリング、ペンダントベイル、イヤーワイヤー、ループなどの作成に最適で、他のファインディングを飾る多様なコンポーネントや幅広い技法に使用されます。柔らかいワイヤーは曲げやすく、成形やハンマー加工が容易で、成形、形作り、ワイヤーラッピングの理想的な出発点です。硬度は焼きなましや熱硬化によって変化し、金属の種類によって相対的に異なる（各硬度は金属ごとに感触や扱いが異なる）ことを念頭に置いてください。作品の仕上げ時には、金属が硬いほど仕上げがより明るくなることも考慮してください。この予め計測されたコイルには10フィートのワイヤーが含まれています。ニオブは光沢のある灰色の金属で、低毒性（極度の金属アレルギーのある方でも安全）で、ほとんど変色しません。反応性金属としての独特の特性により、電気的に帯電した浴中で様々な電圧にさらされると制御可能で再現性のある色彩を呈するアノダイズ（陽極酸化）処理が可能です。生成される色は錆びず、擦っても落ちませんが、時間とともに光沢がやや鈍くなることがあります。ニオブは加工硬化が非常に遅く、扱いやすい金属です。ジュエラーズソーで切断し、手で成形し、ダップ加工、チェイス加工、鍛造が容易に行えます。冷間加工（圧延、成形など）では、焼きなましが必要になるまで最大90％まで減少させることが可能です。\u003cbr\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eゲージ:\u003c\/strong\u003e 22 ga.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e形態:\u003c\/strong\u003e ワイヤー\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e形状:\u003c\/strong\u003e ラウンド\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e金属の種類：\u003c\/strong\u003e ニオブ\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e金属色:\u003c\/strong\u003e ホワイト\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e硬度:\u003c\/strong\u003e 柔らかい\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e寸法:\u003c\/strong\u003e 0.64mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e厚さ:\u003c\/strong\u003e 0.025\" (0.64mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e原産国:\u003c\/strong\u003e 中国\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e重量:\u003c\/strong\u003e 0.000 kg\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Amadesa","offers":[{"title":"Default Title","offer_id":50678739206490,"sku":"135133","price":8.7,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0934\/7897\/7882\/files\/135133in.jpg?v=1741480954"},{"product_id":"niobium-round-wire-10-ft-coil-20-ga-soft","title":"ニオブium丸線、3.05 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ニオブ\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e金属色:\u003c\/strong\u003e ホワイト\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e硬度:\u003c\/strong\u003e 柔らかい\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e寸法:\u003c\/strong\u003e 0.81mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e厚さ:\u003c\/strong\u003e 0.032\" (0.81mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e原産国:\u003c\/strong\u003e 中国\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e重量:\u003c\/strong\u003e 0.000 kg\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Amadesa","offers":[{"title":"Default Title","offer_id":50678739337562,"sku":"135132","price":35.24,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0934\/7897\/7882\/files\/135132.jpg?v=1741480967"},{"product_id":"niobium-round-wire-20-ft-coil-28-ga-soft","title":"ニオブム丸線、6.1 mコイル、0.32mm、ソフト","description":"この柔らかいニオブ製ラウンドワイヤーは、ジュエリー製作の基本であり、ジャンプリング、ペンダントベイル、イヤーワイヤー、ループなど、多様なファインディングや技法を飾るコンポーネントの作成に最適です。柔らかいワイヤーは曲げやすく、成形やハンマリングも容易で、成形、形作り、ワイヤーラッピングの出発点として理想的です。硬度は焼きなましや熱硬化によって変化し、金属の種類によって相対的に異なること（各硬度は金属ごとに感触や扱いが異なること）を念頭に置いてください。作品の仕上げ時には、金属が硬いほど仕上がりがより明るくなることも覚えておいてください。\n\nこの予め計測されたコイルには20フィートのワイヤーが含まれています。\n\nニオブは光沢のある灰色の金属で、毒性が非常に低く（金属ジュエリーに極端に敏感な方でも安全です）、ほとんど変色しません。反応性金属としての独特の特性により、電気的に帯電した浴槽内で様々な電圧にさらされると、制御可能で再現性のある色彩を呈します。このプロセスは陽極酸化と呼ばれます。生成される色は錆びず、擦っても落ちませんが、時間の経過とともに光沢がやや鈍くなることがあります。\n\nニオブは加工硬化が非常に遅く、扱いやすい金属です。宝石職人の鋸で切断し、手で成形し、ダップ、チェイス、または鍛造で簡単に加工できます。冷間加工（圧延、成形など）では、ニオブは焼きなましが必要になるまで最大90％まで減量可能です。\u003cbr\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eゲージ:\u003c\/strong\u003e 28 ga.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e形態:\u003c\/strong\u003e ワイヤー\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e形状:\u003c\/strong\u003e ラウンド\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e金属の種類：\u003c\/strong\u003e 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mコイル、1.02mm、ソフト","description":"このグレード1の商業用純チタン軟質丸線は、陽極酸化処理用に特別に酸洗浄されており、幅広い製作用途に最適です。延性があり、少しの努力で成形可能です。金属は耐食性があり、低アレルギー性です。ジュエリー製作の基本である丸線は、コンポーネント作成や多様な技法に理想的です。軟線は比較的曲げやすく、形作りやハンマリングに適しており、成形やワイヤーラッピングの出発点として最適です。硬度は焼きなましや熱硬化によって変化し、金属の種類ごとに相対的であること（各硬度は金属ごとに異なる感触と扱いになります）を念頭に置いてください。作品の仕上げ時には、金属が硬いほど仕上がりが明るくなることも考慮してください。この予め計測されたコイルには20フィートのワイヤーが含まれています。チタンは強く軽量な銀灰色の金属で、金属ジュエリーに敏感な方にも一般的に安全で、ほとんど変色しません。当社のチタンはグレード1の商業用純素材です。チタンは反応性金属の特性を持つ数少ない金属の一つであり、電気的に帯電した浴中で様々な電圧に曝されることで制御可能かつ再現性のある色彩を呈する陽極酸化処理が可能です。生成される色は錆びず、擦っても落ちませんが、時間の経過とともに光沢がやや鈍くなることがあります。チタンは延性があり、少しの努力で成形可能で、その表面仕上げと硬度はやや変動します。\u003cbr\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eゲージ:\u003c\/strong\u003e 18 ga.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e形態:\u003c\/strong\u003e ワイヤー\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e形状:\u003c\/strong\u003e ラウンド\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e金属の種類：\u003c\/strong\u003e 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applications but is ideal for a wide range of fabrication uses. It is ductile and can be formed with a bit of effort. The metal is corrosion-resistant and hypoallergenic. Surface finish and hardness will vary somewhat. Sheet offers the benefit of having fabrication metal on hand when you need it; custom-cut it to the exact size and shape your design requires. Soft sheet is relatively easy to bend, shape and hammer; it is an ideal starting point for forming, shaping and wrapping. Keep in mind that hardness is changeable (by annealing or heat-hardening) and is relative among metal types (each temper will feel and handle differently from one metal to another). When finishing your pieces, also keep in mind that the harder the metal is, the brighter a finish it will take.\n\n26-gauge sheet is useful for fold-forming components. As you know, metal sheet has as many uses as there are jewelers and designers who use it to achieve their vision; these suggested uses simply represent some of the more common applications of this metal weight.\n\nSold in pre-cut 6 x 6\" sheets; minimum order is one piece.\n\nTitanium is a strong, lightweight silver-gray metal with low toxicity (so low that it is safe even for those with extreme sensitivities to metal jewelry) and virtually no susceptibility to tarnish. Our titanium is Grade-1, commercially pure, material.\n\nTitanium is one of a handful of metals with the unique properties of a reactive metal; this allows titanium to take on a controllable, repeatable range of colors when exposed to various voltages in an electrically charged bath, a process called anodizaton. The colors produced will not rust and cannot be rubbed off, although, over time, its luster may dull somewhat.\n\nTitanium is ductile and can be formed with a bit of effort; its surface finish and hardness varies somewhat.\u003c\/p\u003e","brand":"Amadesa","offers":[{"title":"22 ga. (0.64mm)","offer_id":52645136662874,"sku":"135202","price":25.74,"currency_code":"EUR","in_stock":true},{"title":"26 ga. (0.40mm)","offer_id":52645136695642,"sku":"135205","price":25.74,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0934\/7897\/7882\/files\/135202.jpg?v=1762290706"},{"product_id":"titanium-round-wire-3-05-m-coils-soft","title":"Titanium Round Wire, 3.05 m. Coils, Soft","description":"\u003cp\u003eThis Grade-1, commercially pure soft titanium round wire is specially acid-cleaned for anodizing applications but is ideal for a wide range of fabrication uses. It is ductile and can be formed with a bit of effort. The metal is corrosion-resistant and hypoallergenic. Round wire, the bread-\u0026amp;-butter of jewelry making, is ideal for creating components and for a wide variety of techniques. Soft wire is relatively easy to bend, shape and hammer; it is an ideal starting point for forming, shaping and wire-wrapping. Keep in mind that hardness is changeable (by annealing or heat-hardening) and is relative among metal types (each temper will feel and handle differently from one metal to another). When finishing your pieces, also keep in mind that the harder the metal is, the brighter a finish it will take. This pre-measured coil contains 10 ft. of wire. Titanium is a strong, lightweight silver-gray metal that is generally safe for those with sensitivities to metal jewelry and virtually no susceptibility to tarnish. Our titanium is Grade-1, commercially pure, material. Titanium is one of a handful of metals with the unique properties of a reactive metal; this allows titanium to take on a controllable, repeatable range of colors when exposed to various voltages in an electrically charged bath, a process called anodizaton. The colors produced will not rust and cannot be rubbed off, although, over time, its luster may dull somewhat. Titanium is ductile and can be formed with a bit of effort; its surface finish and hardness varies somewhat.\u003c\/p\u003e","brand":"Amadesa","offers":[{"title":"16 ga. (1.29mm)","offer_id":52674590933338,"sku":"135500","price":13.44,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0934\/7897\/7882\/files\/135500in.jpg?v=1763162921"},{"product_id":"aluminum-round-wire-dead-soft","title":"Aluminum Round Wire, Dead-Soft","description":"\u003cp\u003eThis 1\/8\" round aluminum wire is an economical and versatile choice for a variety of jewelry-making techniques. Round wire, the bread-\u0026amp;-butter of jewelry making, is useful for creating components and for a wide variety of techniques. Dead soft aluminum wire is easy to bend, shape and hammer; it is an ideal starting point for forming, shaping and wire-wrapping. Keep in mind that hardness is changeable (by annealing or heat-hardening) and is relative among metal types (each temper will feel and handle differently from one metal to another). When finishing your pieces, also keep in mind that the harder the metal is, the brighter a finish it will take.\n\nThis quality aluminum wire is packaged on 1-lb. spools.\n\nLightweight and strong, aluminum fabrication materials are an economical and versatile choice. Not as bright-white as silver, aluminum offers a warmer tone much like that of platinum. Solder ONLY with low-temp solders; suitable for both pulse arc and laser welding.\u003c\/p\u003e","brand":"Amadesa","offers":[{"title":"1.57mm","offer_id":52680790278490,"sku":"134701","price":43.55,"currency_code":"EUR","in_stock":true},{"title":"3.18mm","offer_id":52680790311258,"sku":"134700","price":43.55,"currency_code":"EUR","in_stock":true},{"title":"4.78mm","offer_id":52680790344026,"sku":"134702","price":43.55,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0934\/7897\/7882\/files\/134700in.jpg?v=1763449610"},{"product_id":"niobium-sheet-152-4mm-x-6-soft","title":"Niobium Sheet, 152.4mm x 6\", Soft","description":"\u003cp\u003eThis soft niobium sheet offers the benefit of having fabrication metal on hand when you need it; custom-cut it to the exact size and shape your design requires. Soft sheet is easy to bend, shape and hammer; it is an ideal starting point for forming, shaping and wrapping. Keep in mind that hardness is changeable (by annealing or heat-hardening) and is relative among metal types (each temper will feel and handle differently from one metal to another). When finishing your pieces, also keep in mind that the harder the metal is, the brighter a finish it will take.\n\n30-gauge sheet is useful for forming and corrugation to create components. As you know, metal sheet has as many uses as there are jewelers and designers who use it to achieve their vision; these suggested uses simply represent some of the more common applications of this metal weight.\n\nThis pre-cut sheet measures 6\" x 6\".\n\nNiobium is a lustrous, gray metal with low toxicity (so low that it is safe even for those with extreme sensitivities to metal jewelry) and virtually no susceptibility to tarnish. Its unique properties as a reactive metal cause niobium to take on a controllable, repeatable range of colors when exposed to various voltages in an electrically charged bath, a process called anodizaton. The colors produced will not rust and cannot be rubbed off, although, over time, its luster may dull somewhat.\n\nNiobium is very slow to work-harden and is remarkably easy to work with. Cut with a jeweler's saw, hand-form, dap, chase or forge the metal easily. In cold working (rolling, forming, etc.), niobium can be reduced as much as 90% before requiring annealing.\u003c\/p\u003e","brand":"Amadesa","offers":[{"title":"28 ga. (0.32mm)","offer_id":52687151726938,"sku":"135215","price":118.8,"currency_code":"EUR","in_stock":true},{"title":"30 ga. (0.25mm)","offer_id":52687151759706,"sku":"135218","price":92.18,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0934\/7897\/7882\/files\/135215.jpg?v=1762872993"},{"product_id":"titanium-sheet-152-4mm-x-25-4mm-soft","title":"Titanium Sheet, 152.4mm x 25.4 mm","description":"\u003cp\u003eThis Grade-1, commercially pure titanium sheet is specially etched for anodizing applications but is ideal for a wide range of fabrication uses. It is ductile and can be formed with a bit of effort. The metal is corrosion-resistant and hypoallergenic. Surface finish and hardness will vary somewhat. Sheet offers the benefit of having fabrication metal on hand when you need it; custom-cut it to the exact size and shape your design requires. Soft sheet is relatively easy to bend, shape and hammer; it is an ideal starting point for forming, shaping and wrapping. Keep in mind that hardness is changeable (by annealing or heat-hardening) and is relative among metal types (each temper will feel and handle differently from one metal to another). When finishing your pieces, also keep in mind that the harder the metal is, the brighter a finish it will take.\n\n26-gauge sheet is useful for fold-forming components. As you know, metal sheet has as many uses as there are jewelers and designers who use it to achieve their vision; these suggested uses simply represent some of the more common applications of this metal weight.\n\nSold in pre-cut 6 x 1\" sheets; minimum order is one piece.\n\nTitanium is a strong, lightweight silver-gray metal with low toxicity (so low that it is safe even for those with extreme sensitivities to metal jewelry) and virtually no susceptibility to tarnish. Our titanium is Grade-1, commercially pure, material.\n\nTitanium is one of a handful of metals with the unique properties of a reactive metal; this allows titanium to take on a controllable, repeatable range of colors when exposed to various voltages in an electrically charged bath, a process called anodizaton. The colors produced will not rust and cannot be rubbed off, although, over time, its luster may dull somewhat.\n\nTitanium is ductile and can be formed with a bit of effort; its surface finish and hardness varies somewhat.\u003c\/p\u003e","brand":"Amadesa","offers":[{"title":"22 ga. (0.64mm)","offer_id":52690220777818,"sku":"135200","price":4.29,"currency_code":"EUR","in_stock":true},{"title":"26 ga. (0.40mm)","offer_id":52690220810586,"sku":"135203","price":4.29,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0934\/7897\/7882\/files\/135203.jpg?v=1763713198"},{"product_id":"titanium-sheet-152-4mm-x-3-soft","title":"Titanium Sheet, 152.4mm x 3\", Soft","description":"\u003cp\u003eThis Grade-1, commercially pure titanium sheet is specially etched for anodizing applications but is ideal for a wide range of fabrication uses. It is ductile and can be formed with a bit of effort. The metal is corrosion-resistant and hypoallergenic. Surface finish and hardness will vary somewhat. Sheet offers the benefit of having fabrication metal on hand when you need it; custom-cut it to the exact size and shape your design requires. Soft sheet is relatively easy to bend, shape and hammer; it is an ideal starting point for forming, shaping and wrapping. Keep in mind that hardness is changeable (by annealing or heat-hardening) and is relative among metal types (each temper will feel and handle differently from one metal to another). When finishing your pieces, also keep in mind that the harder the metal is, the brighter a finish it will take.\n\n22-gauge sheet is useful for back plates that extend beyond the bezel wall and\/or will have texture or embellishments applied; also great for creating earring or pendant components. As you know, metal sheet has as many uses as there are jewelers and designers who use it to achieve their vision; these suggested uses simply represent some of the more common applications of this metal weight.\n\nSold in pre-cut 6 x 3\" sheets; minimum order is one piece.\n\nTitanium is a strong, lightweight silver-gray metal with low toxicity (so low that it is safe even for those with extreme sensitivities to metal jewelry) and virtually no susceptibility to tarnish. Our titanium is Grade-1, commercially pure, material.\n\nTitanium is one of a handful of metals with the unique properties of a reactive metal; this allows titanium to take on a controllable, repeatable range of colors when exposed to various voltages in an electrically charged bath, a process called anodizaton. The colors produced will not rust and cannot be rubbed off, although, over time, its luster may dull somewhat.\n\nTitanium is ductile and can be formed with a bit of effort; its surface finish and hardness varies somewhat.\u003c\/p\u003e","brand":"Amadesa","offers":[{"title":"22 ga. (0.64mm)","offer_id":52691196576090,"sku":"135201","price":12.61,"currency_code":"EUR","in_stock":true},{"title":"26 ga. (0.40mm)","offer_id":52691196608858,"sku":"135204","price":12.87,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0934\/7897\/7882\/files\/135201.jpg?v=1762760441"},{"product_id":"niobium-sheet-152-4mm-x-1-soft","title":"Niobium Sheet, 152.4mm x 1\", Soft","description":"\u003cp\u003eThis soft niobium sheet offers the benefit of having fabrication metal on hand when you need it; custom-cut it to the exact size and shape your design requires. Soft sheet is easy to bend, shape and hammer; it is an ideal starting point for forming, shaping and wrapping. Keep in mind that hardness is changeable (by annealing or heat-hardening) and is relative among metal types (each temper will feel and handle differently from one metal to another). When finishing your pieces, also keep in mind that the harder the metal is, the brighter a finish it will take.\n\n28-gauge sheet is useful for fold-forming components. As you know, metal sheet has as many uses as there are jewelers and designers who use it to achieve their vision; these suggested uses simply represent some of the more common applications of this metal weight.\n\nThis pre-cut sheet measures 6\" x 1\".\n\nNiobium is a lustrous, gray metal with low toxicity (so low that it is safe even for those with extreme sensitivities to metal jewelry) and virtually no susceptibility to tarnish. Its unique properties as a reactive metal cause niobium to take on a controllable, repeatable range of colors when exposed to various voltages in an electrically charged bath, a process called anodizaton. The colors produced will not rust and cannot be rubbed off, although, over time, its luster may dull somewhat.\n\nNiobium is very slow to work-harden and is remarkably easy to work with. Cut with a jeweler's saw, hand-form, dap, chase or forge the metal easily. In cold working (rolling, forming, etc.), niobium can be reduced as much as 90% before requiring annealing.\u003c\/p\u003e","brand":"Amadesa","offers":[{"title":"28 ga. (0.32mm)","offer_id":52694622241114,"sku":"135213","price":21.45,"currency_code":"EUR","in_stock":true},{"title":"30 ga. (0.25mm)","offer_id":52694622273882,"sku":"135216","price":16.64,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0934\/7897\/7882\/files\/135213.jpg?v=1762786185"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0934\/7897\/7882\/collections\/metals-page-reactive-metals.png?v=1762852422","url":"https:\/\/www.amadesa.com\/ja-jp\/collections\/reactive-metals.oembed","provider":"Amadesa","version":"1.0","type":"link"}