{"title":"Platinum \u0026 Kuretake Cartridges","description":"\u003cp\u003eJapan's Platinum Pen and Kuretake use the same type of cartridge: tapered in shape, with an above-average capacity and a distinctive ball bearing closure. All Platinum fountain pens and Kuretake cartridge brush pens are compatible with the ink cartridges and converters in this collection.\u003c\/p\u003e\n\u003cp\u003eTo install a Platinum format ink cartridge, push the ball bearing end into the pen's feed until you feel the bearing dislodge. This type of cartridge requires more pressure than others during reloading, and you'll notice that the cartridge goes deeper into the pen than other formats. This is all for a reason—Platinum format cartridges fit very snugly and are practically leakproof as a result.\u003c\/p\u003e","products":[{"product_id":"platinum-carbon-ink-cartridges-box-of-4","title":"Carbon Ink Cartridges, Box of 4","description":"\u003cp\u003ePlatinum Carbon Ink is the pioneering permanent ink for fountain pens. This deep black ink is made with extremely fine carbon black pigment, and once it's dry, it's not going anywhere. Soak your paper in water; scrub it with a brush; layer a bunch of paint on it. Carbon Ink won't lift or bleed into your colors. It won't smudge under your eraser, and it's completely lightfast.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eBetter yet, unlike other permanent inks, Carbon Ink is safe for fountain pens. Because of its small particle size, it flows almost as freely as a standard dye ink and won't damage your pen. (We do recommend regular \u003ca href=\"https:\/\/stlartsupply.mom\/products\/pen-cleaner-for-dip-pens-fountain-pens\" target=\"_blank\"\u003epen flushes\u003c\/a\u003e when using pigment ink, though, just to keep things running smoothly.)\u003c\/p\u003e\n\u003cp\u003eFour cartridges per box. This proprietary cartridge format only works with Platinum and Kuretake fountain pens. For other pens, try Platinum Carbon Ink in a \u003ca href=\"https:\/\/stlartsupply.mom\/products\/carbon-ink-60-ml\"\u003e60 mL bottle\u003c\/a\u003e.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eMade in Japan.\u003c\/p\u003e","brand":"Platinum","offers":[{"title":"Default Title","offer_id":42958083293442,"sku":"4977114404900","price":3.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2228\/7429\/products\/platinum-carbon-ink-carts.jpg?v=1656854912"},{"product_id":"platinum-fountain-pen-converter-800a","title":"Fountain Pen Converter 800A","description":"\u003cp\u003eThis excellent piston-style converter allows any Platinum fountain pen (and also certain models from Kuretake) to accept fountain pen ink from a bottle. Simply pop it into the pen where the ink cartridge would normally mount, then draw ink through the nib and into the converter by twisting the piston. Platinum converters are solidly built and easy to use, with a secure mount that prevents leakage.\u003cbr\u003e\u003c\/p\u003e","brand":"Platinum","offers":[{"title":"Default Title","offer_id":42958098792706,"sku":"4977114402449","price":11.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2228\/7429\/products\/platinum-converter-gold-pow_20f4cccf-8de2-49ca-b644-8e32c7a829d6.jpg?v=1656855732"},{"product_id":"ink-cafe-empty-ink-cartridge-kit","title":"ink-café Empty Ink Cartridge Kit","description":"\u003cp\u003eThese empty fountain pen cartridges are compatible with Kuretake cartridge brush pens, plus all Platinum fountain pens (the two companies use the same cartridge format, easily identifiable by the ball bearing that caps each cartridge.)\u003c\/p\u003e\n\u003cp\u003eFive cartridges are included, plus five ball bearings and a dropper that's perfectly sized to fill them with bottled ink.\u003c\/p\u003e\n\u003cp\u003eMade in Japan.\u003c\/p\u003e","brand":"Kuretake","offers":[{"title":"Default Title","offer_id":43463679508738,"sku":"4901427318999","price":3.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2228\/7429\/products\/kuretakeink-cafeemptycartridge5pkpow.jpg?v=1670693801"},{"product_id":"blue-black-iron-gall-ink-cartridges-box-of-10","title":"Blue-Black Iron Gall Ink Cartridges, Box of 10","description":"\u003cp\u003ePlatinum has made an excellent blue-black iron gall ink for many years, and this lovely blue has all the hallmarks of a 19th century classic. From a fine nib, blue-black appears as a grayish dark blue, but with broader nibs and brushes, you'll see a deeper indigo color and a gorgeous red sheen.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eIron gall ink is itself a link to the past—once the dominant form of ink used in fountain pens, it was largely replaced by dye-based inks with no iron content by the middle of the 20th century. The iron in these inks is meant to oxidize over time, gradually darkening the lines over years of storage. Iron gall inks are also resistant to water damage and fading from sunlight, which are both issues for many contemporary pen inks.\u003c\/p\u003e\n\u003cp\u003eThe only downside to iron gall inks is their acidity, which can cause corrosion if pens are left unused and filled with ink for long periods of time. But with the occasional \u003ca href=\"https:\/\/stlartsupply.mom\/products\/pen-cleaner-for-dip-pens-fountain-pens\" target=\"_blank\"\u003epen flush\u003c\/a\u003e, there is no danger to your pen, particularly with this modern and more gentle iron gall formulation.\u003c\/p\u003e\n\u003cp\u003eBox of 10 Platinum-format cartridges. Fits Platinum fountain pens and Kuretake cartridge brush pens.\u003c\/p\u003e\n\u003cp\u003eMade in Japan.\u003c\/p\u003e","brand":"Platinum","offers":[{"title":"Default Title","offer_id":43464342176002,"sku":"4977114406461","price":6.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2228\/7429\/products\/blue-black-carts-box-of-10-pow.jpg?v=1670705697"},{"product_id":"platinum-black-ink-cartridges-box-of-10","title":"Platinum Black Ink Cartridges, Box of 10","description":"\u003cp\u003ePlatinum's water-based dye inks offer outstanding flow and are gentle enough for your most prized pens. Platinum Black is a nice neutral black—very good for blending with water to create shading in your pen sketches.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eBox of 10 Platinum-format cartridges. Fits Platinum fountain pens and Kuretake cartridge brush pens.\u003c\/p\u003e\n\u003cp\u003eMade in Japan.\u003c\/p\u003e","brand":"Platinum","offers":[{"title":"Default Title","offer_id":43464365113602,"sku":"4977114406447","price":8.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2228\/7429\/products\/black-carts-box-of-10-pow.jpg?v=1670706275"},{"product_id":"platinum-red-ink-cartridges-box-of-10","title":"Platinum Red Ink Cartridges, Box of 10","description":"\u003cp\u003ePlatinum's water-based dye inks offer outstanding flow and are gentle enough for your most prized pens. Platinum Red is a complex transparent red, with cool tones in thin areas and warm tones in thick areas.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eBox of 10 Platinum-format cartridges. Fits Platinum fountain pens and Kuretake cartridge brush pens.\u003c\/p\u003e\n\u003cp\u003eMade in Japan.\u003c\/p\u003e","brand":"Platinum","offers":[{"title":"Default Title","offer_id":43464367931650,"sku":"4977114406454","price":8.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2228\/7429\/products\/red-carts-box-of-10-pow.jpg?v=1670706485"},{"product_id":"ink-refill-pack-for-kuretake-cartridge-pens","title":"Ink Refill Pack for Kuretake Cartridge Pens","description":"\u003cp\u003eThis five-pack of refills fits Kuretake cartridge pens, like the #8 Mannen Mouhitsu brush pen that we stock in our shop. Made in Japan.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003c!----\u003e","brand":"Kuretake","offers":[{"title":"Default Title","offer_id":45349720326402,"sku":"4901427411188","price":2.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2228\/7429\/files\/kuretakefountainpenrefillspow.jpg?v=1721788898"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2228\/7429\/collections\/kuretake8strokes.jpg?v=1752167682","url":"https:\/\/stlartsupply.mom\/en-ca\/collections\/platinum-kuretake-fountain-pen-ink-cartridges.oembed","provider":"St. Louis Art Supply","version":"1.0","type":"link"}