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Borosilicate Glass High thermal shock resistance Durable and reliable
This compact device is perfect for accurately weighing small amounts of dry herbs
Preserves the pure flavor of your concentrates with no metallic taste and is simple to clean
Comparison of Under-$50 Quartz Bangers
Holds a stable
Ruby Terp Pearls 4mm or 6mm 10 pack Ash Trays Borosilicate Glass High thermal shock10 Pack of Authentic Lab Grown Ruby Terp Pearls Choose Your Color & Size Why Ruby not Glass? Rubies, whether natural or lab grown, are made of corundum (aluminum oxide, AlO), which has an exceptionally high tolerance for heat. Corundums melting point is around 2,040C (3,704F), so rubies can withstand extreme temperatures before theyd start to break down or melt. This makes them one of the toughest gemstones thermally, second only to diamond in terms