What material is high borosilicate? Use of high borosilicate glass
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The World Platinum Investment Association (WPIC) said recently that carmakers are accelerating reductions in palladium use and increased use of platinum due to concerns about Russian palladium supplies. However, it still expects a significant surplus in the platinum market this year.
Palladium is used by carmakers in tailpipe emissions systems to reduce carbon emissions. While carmakers prefer palladium for catalytic converters, they are turning to platinum, which is cheaper than palladium, to save costs.
Russia accounts for about 25-30% of the world's palladium supply and 8-10% of its platinum supply.
There is no sign that western sanctions against Russia have restricted palladium exports since the conflict escalated in February, but as the conflict continues, more companies could boycott The Russian metal and governments could impose restrictions.
Platinum is currently trading at about $950 an ounce, about half the price of palladium. Automakers use about 2.5 million to 3 million ounces of platinum and about 8.5 million ounces of palladium each year.
For the year as a whole, platinum supply will be 5 percent lower than in 2021 and demand 2 percent higher, with the automotive sector seeing a 16 percent increase due to increased light vehicle
sodium aluminium silicate are still very uncertain.
1. High borosilicate glass has a very low coefficient of thermal expansion, which is only about one-third of that of ordinary glass. This will reduce the influence caused by temperature gradient stress, thus having stronger fracture resistance. Because its shape deviation is very small, it has become an indispensable material for telescopes and mirrors, and it can also be used to deal with highly radioactive nuclear waste.
2. Even if the temperature changes suddenly, the high borosilicate glass is not easy to break. When broken, the high borosilicate glass will have large cracks instead of being crushed into particles. At the same time, high borosilicate glass also has low dispersion and relatively low refractive index.
3. High borosilicate glass can be widely used in chemical industry, aerospace, military, family, hospital and other fields, and can be made into lamps, tableware, standard plates, telescope pieces, washing machine observation holes, microwave oven plates, solar water heaters and other
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