{"product_id":"borosilicate-test-tube-set-25-piece-with-wooden-rack-16-150mm","title":"Borosilicate Test Tube Set — 25-Piece with Wooden Rack, 16×150mm","description":"\u003cp\u003e\u003cstrong\u003eThe test tube is the atom of chemistry equipment — small, transparent, and endlessly versatile for reactions, storage, heating, and observation.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThese 16×150mm borosilicate tubes are the standard laboratory size, compatible with most test tube holders, racks, and centrifuge adapters. The rounded base allows even heating over a flame, and the fire-polished rim is smooth enough to accept a stopper without cracking. Supplied with a varnished wooden 25-hole rack that keeps tubes vertical and organized.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e25 borosilicate test tubes, 16×150mm — rounded base, fire-polished rim\u003c\/li\u003e\n\u003cli\u003eWall thickness 1.5mm — rated for Bunsen burner direct flame\u003c\/li\u003e\n\u003cli\u003eWooden 25-hole rack included; tubes compatible with #2–4 stoppers\u003c\/li\u003e\n\u003cli\u003eBorosilicate 3.3 glass — autoclavable, acid\/base resistant\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eEvery purchase directly funds independent physics research at the Golden Physics Project.\u003c\/em\u003e\u003c\/p\u003e","brand":"Golden Physics Project","offers":[{"title":"Default Title","offer_id":54144295764260,"sku":"GPP-GLAS-TESTTUBE25","price":54.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1007\/2879\/9524\/files\/uyceaeaqxsvakiksl8o2_603x700_88678e65-731c-4cf4-b780-c3d1743d7f2b.jpg?v=1780972879","url":"https:\/\/shop.goldenphysics.org\/products\/borosilicate-test-tube-set-25-piece-with-wooden-rack-16-150mm","provider":"Golden Physics Project","version":"1.0","type":"link"}