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        "title": "High Strength 3 RTV Mold Making Rubber",
        "handle": "alumilite-high-strength-3-rtv-mold-making-rubber",
        "description": "\u003cp\u003eHSIII mold rubber recreates minute details, is chemical resistant, very durable and easy to work with. HSIII is a high tear strength RTV rubber with exceptional flexibility and tear strength. Great for molds with deep undercuts. RTV mold rubber vulcanizes (cures) at room temperature in 24 hours. This kit contains enough catalyst and rubber base to mix 1 pound of mold making powder. You should get 30 to 50 parts per mold. Mold making instructions not included, recommended for advanced mold makers. Product specifications: Mix Ratio 10:1 Mixed Viscosity 150 Specific Gravity 1.16 Pot Life 2 hrs. Demold Time 24 hrs. Platinum\/Tin Cure Tin Hardness 10 Color Pink Linear Shrink (%) .48 Tear Strength (ppi) 110 Elongation 575% Tensile Strength (psi) 400 Temperature Range (F) -67-392\u003c\/p\u003e",
        "published_at": "2025-10-28 19:50:49",
        "created_at": "2025-10-28 19:50:44",
        "vendor": "Alumilite",
        "type": "",
        "tags": ["category:Sculpting","category:Sculpting\/Mold Making","category:Sculpting\/Mold Making\/Molding Compounds","family:1318"],
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              "title": "1 lb. \/ HSIII RTV",
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              "weight": 569,
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              "barcode": "689076922692",
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