{"product_id":"princeton-catalyst-polytip-oil-brush-long-handle","title":"Princeton Catalyst Polytip Oil Brush, Long Handle","description":"\u003cp\u003e\u003cstrong\u003eShips in 5–7 business days.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eA synthetic bristle brush built to behave like hog bristle: stiff enough to move thick oil paint, springy enough to snap back, and it keeps its shape after a season of scrubbing panels outdoors. Polytip fibers are flagged and tapered, so they hold more paint than plain synthetics.\u003c\/p\u003e\u003ch3\u003eGood for\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ePlein air oil and acrylic painting\u003c\/li\u003e\n\u003cli\u003eBlocking in big shapes with a filbert, then cutting edges with a flat or bright\u003c\/li\u003e\n\u003cli\u003eA small round for branches, rigging and signatures\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDetails\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ePolytip synthetic bristle, long handle\u003c\/li\u003e\n\u003cli\u003eFilbert #4 and #8: the workhorse plein air shape, soft edges and blending\u003c\/li\u003e\n\u003cli\u003eFlat #6 and #10: crisp edges and broad strokes\u003c\/li\u003e\n\u003cli\u003eBright #8: short flat for thick, controlled marks\u003c\/li\u003e\n\u003cli\u003eRound #4: lines and small details\u003c\/li\u003e\n\u003cli\u003eCleans up with brush soap or a solvent-free medium; no animal hair\u003c\/li\u003e\n\u003cli\u003eMade by Princeton Artist Brush Co.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eStarting set suggestion:\u003c\/strong\u003e Filbert #8, Flat #6 and Round #4 cover most small plein air panels (5×7 to 9×12).\u003c\/p\u003e\u003ch3\u003eQuestions painters ask\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eIs Catalyst Polytip a good replacement for hog bristle?\u003c\/strong\u003e Yes. It's made to handle like hog bristle, with the stiffness to push heavy oil paint, and it holds its shape longer than natural bristle.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan I use these brushes for acrylic?\u003c\/strong\u003e Yes. Synthetic bristle works with both oil and acrylic. Wash acrylic out before it dries.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhich sizes should I start with for plein air?\u003c\/strong\u003e A filbert #8, a flat #6 and a round #4 handle most panels from 5×7 to 9×12.\u003c\/p\u003e","brand":"Princeton","offers":[{"title":"Filbert #4","offer_id":67827579224141,"sku":"PB6400FB4","price":23.6,"currency_code":"USD","in_stock":true},{"title":"Filbert #8","offer_id":67827579256909,"sku":"PB6400FB8","price":25.15,"currency_code":"USD","in_stock":true},{"title":"Flat #6","offer_id":67827579289677,"sku":"PB6400F6","price":24.1,"currency_code":"USD","in_stock":true},{"title":"Flat #10","offer_id":67827579322445,"sku":"PB6400F10","price":31.5,"currency_code":"USD","in_stock":true},{"title":"Bright #8","offer_id":67827579355213,"sku":"PB6400B8","price":24.1,"currency_code":"USD","in_stock":true},{"title":"Round #4","offer_id":67827579387981,"sku":"PB6400R4","price":20.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0792\/9508\/6669\/files\/PRINCETON_CATALYST_POLYTIP_CATEGORY_1__83694.1791380478.webp?v=1793241636","url":"https:\/\/store.pleinscout.com\/products\/princeton-catalyst-polytip-oil-brush-long-handle","provider":"PleinScout","version":"1.0","type":"link"}