{"product_id":"stress-testing-polarity-film","title":"Stress Testing Polarity Film","description":"\u003cp\u003e\u003cspan\u003eTake some of the guesswork out of the kiln.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis simple testing tool helps you spot stress in fused glass before it becomes an unpleasant surprise. Place your glass in front of a light source and hold one sheet of polarity film on each side. As you turn the pieces of film, areas of stress may appear as small, bright starbursts, helping you evaluate your finished piece or investigate possible compatibility concerns.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eEach set includes two 3\" × 3\" sheets—small enough to keep near your kiln and wonderfully handy when something in the glass doesn’t look quite right.\u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eA helpful little window into what your glass may be trying to tell you!\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cspan\u003eThis tool can reveal signs of stress, but it does not replace proper compatibility testing or guarantee that a piece will remain free from cracking.\u003c\/span\u003e\u003c\/em\u003e\u003c\/p\u003e","brand":"Milkweed Arts","offers":[{"title":"Default Title","offer_id":47925338472611,"sku":null,"price":9.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0625\/3258\/3587\/files\/stress-testing-polarity-film-two-sheets.png?v=1785022880","url":"https:\/\/milkweedartsaz.com\/products\/stress-testing-polarity-film","provider":"Milkweed Arts","version":"1.0","type":"link"}