Yyh-1300 ml kreatívne 6 tvaru červené víno čistejšie

Yyh-1300ml Creative 6 Shape Red Wine Pourer Crystal Glass Decanter Brandy Decant Gifts|decanters

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1300ML Creative 6 Shape Red Wine Pourer Crystal Glass Decanter Brandy Decant Jug Bar Champagne Water Bottle Drinking Gifts|Decanters1300ML Creative 6 Shape Red Wine Pourer Glass Decanter Brandy Decant Jug Bar Champagne Water Bottle Drinking Glasses GiftsMaterial: lead free crystalCapacity: 1300mlTechnology: laser cold cutting technologyCrystal and glass are very similar in appearance, but they are two completely different substances. There are five main differences1. Different materials, crystal is the crystal of silicon dioxide, glass is only a mixture of molten state containing silicon dioxide.2. Different functions. Glass only has decorative function. Besides decorative function, crystal also has piezoelectric effect, which has special health care function.3. The unit price of crystal is several times or even dozens of times higher than that of glass.4. Different physical properties(1) Crystal is a crystal with high hardness (Mohs 7), while glass has low hardness (Mohs 5.5). Crystal can mark on glass, otherwise it can't. In addition, the stress of crystal cup is better than that of glass.(2) Crystal is crystal, good thermal conductivity, with the tip of the tongue to lick a cold feeling. The glass is warm.(3) With a polarizer, crystal can transmit light, but glass can't.(4) High quality crystal to the light, clear and transparent, there are no small bubbles, no water lines, so the price is not cheap. So the quality grade of crystal is closely related to the price.5. Different processing technology, glass can be hot cast, saving material and labor, low cost. Crystal is crystal, which can't be reversed after heating and melting, so we can't use hot casting method, we can only use cold processing method such as cutting and grinding.