{"product_id":"castaldo-gold-label-natural-jewelry-molding-rubber-5lb","title":"Castaldo Gold Label Jewelry Molding Rubber-Ready Cut \u0026 Strips-5 Lb Boxes","description":"\u003cp\u003eCastaldo\u003csup\u003e®\u003c\/sup\u003e Gold Label\u003csup\u003e®\u003c\/sup\u003e jewelry molding rubber contains even more pure natural gum rubber than Castaldo White Label, making it exceptionally soft and pliable. Experienced mold-makers rely on this compound's superior flexibility for difficult molds with undercuts, where a stiffer rubber would break delicate wax patterns or make production impossible. The added pliability can translate directly into reduced labor costs on challenging pieces.\u003c\/p\u003e\u003cp\u003eAvailable in 5 lb boxes in your choice of Strips or Ready Cut (Pre-Cut) format to suit your workflow.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eHigher natural gum rubber content than Castaldo White Label for superior softness and pliability\u003c\/li\u003e\n\u003cli\u003eIdeal for complex molds with undercuts that would stress or break wax patterns with stiffer rubber\u003c\/li\u003e\n\u003cli\u003eRubber is 1\/8\" thick throughout\u003c\/li\u003e\n\u003cli\u003eStrips format: 2-7\/8\" wide × 18\" long — cut to your needed length\u003c\/li\u003e\n\u003cli\u003eReady Cut (Pre-Cut) format: 1-7\/8\" × 2-7\/8\" with rounded edges, sized to fit popular industry-standard mold frames\u003c\/li\u003e\n\u003cli\u003eVulcanize at 310°F for 15 minutes per 1\/4\" of mold frame thickness\u003c\/li\u003e\n\u003cli\u003eSold in 5 lb boxes\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eRubber Thickness\u003c\/th\u003e\n\u003ctd\u003e1\/8\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBox Weight\u003c\/th\u003e\n\u003ctd\u003e5 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eVulcanizing Temperature\u003c\/th\u003e\n\u003ctd\u003e310°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eVulcanizing Time\u003c\/th\u003e\n\u003ctd\u003e15 minutes per 1\/4\" of mold frame thickness\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCompound Type\u003c\/th\u003e\n\u003ctd\u003eNatural gum rubber\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eAvailable Options\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eFormat\u003c\/th\u003e\n\u003cth\u003eDimensions\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e122.584\u003c\/td\u003e\n\u003ctd\u003eStrips\u003c\/td\u003e\n\u003ctd\u003e2-7\/8\" × 18\" × 1\/8\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e122.586\u003c\/td\u003e\n\u003ctd\u003eReady Cut (Pre-Cut)\u003c\/td\u003e\n\u003ctd\u003e1-7\/8\" × 2-7\/8\" × 1\/8\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Castaldo","offers":[{"title":"Strips 2-7\/8\" x 18\" x 1\/8\"","offer_id":47551866601686,"sku":"122.584","price":63.0,"currency_code":"USD","in_stock":true},{"title":"Pre-cuts 1-7\/8\" x 2-7\/8\" x 1\/8\"","offer_id":47551866634454,"sku":"122.586","price":68.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/castaldo-gold-label-jewelry-molding-rubber-ready-cut-and-strips-5-lb-boxes-otto-frei.jpg?v=1726697702","url":"https:\/\/www.ottofrei.com\/products\/castaldo-gold-label-natural-jewelry-molding-rubber-5lb","provider":"Otto Frei","version":"1.0","type":"link"}