{"product_id":"lampworking-glasses-model-691-with-sodium-flare-polycarbonate-lens","title":"Lampworking Glasses – Model 691 with Sodium Flare Polycarbonate Lens","description":"\u003cp\u003eThe lampworking glasses model 691 is one of our new free-form style wraparound safety glasses. These lampworking model 691 frame is a semi-rimless, fits best for smaller face sizes. The fame comes with rubber nose pads and rubberized arms for enhanced comfort and frame grip. These ANSI Z87.1-2003 APPROVED safety glasses are popular for men and women and come in black and silver frame colors.\u003c\/p\u003e\u003cp\u003eThis polycarbonate is very efficient in filtering sodium flare in addition to providing good ultraviolet protection.  It is very comfortable for viewing under high ambient light conditions such as when working with glowing heat sources for a duration of time. Also, although it has a relatively low luminous transmission of 38%, it is not recommended for glassworking where Infrared protection is needed.  This filter is more for soft glass usage\u003c\/p\u003e\u003cp\u003eLampworking is a type of glasswork in which a torch or lamp is used to melt the glass. Once in a molten state, the glass is formed by blowing and shaping with tools and hand movements. It is also known as flameworking or torchworking, as the modern practice no longer uses oil-fueled lamps.\u003c\/p\u003e\u003cp\u003eFor more options, check out our full line of Sodium Flare Polycarbonate Lampworking Glasses\u003c\/p\u003e","brand":"VS Eyewear","offers":[{"title":"Silver \/ 58-20-140 B 37 Overall width 135mm","offer_id":50469865193610,"sku":null,"price":147.0,"currency_code":"USD","in_stock":true},{"title":"Black \/ 58-20-140 B 37 Overall width 135mm","offer_id":50469865226378,"sku":null,"price":147.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0776\/4246\/5418\/files\/691-Silver-with-SFP-Lens_ab524e1d-a4a6-41d7-86ff-9d4e5d6df37c.png?v=1792091574","url":"https:\/\/vseyewear.com\/products\/lampworking-glasses-model-691-with-sodium-flare-polycarbonate-lens","provider":"VS Eyewear","version":"1.0","type":"link"}