Exploration of Production Technology of Refractory Grad…

The melting temperature of any high-quality glass including alkali-free or low-alkali is much lower than 1720e. Therefore, the dense Cr2O3 material may not react with the glass main component SiO2 during use, resulting in defects such as streaked stones in glass products. High-purity industrial C

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Methanol poisoning

                                          Methanol mainly acts on the nervous system and has obvious anesthetic effects, which can cause brain ed

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The best of the time

"Jin 9 Silver Ten", as the decoration season, the heads of households all hope to decorate and use a new home to welcome the arrival of the new year. However, the difference between the autumn and the weather in other seasons, if not a little attention, it is easy to bring a lot of troub

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The two sides adjacent to the four sides of the insulat…

Mixing and bonding mortar: cement, medium sand with 923 glue to adjust the mortar (1kg: 1kg: .45kg), the consistency is based on the shovel pick up the non-slip, each time the amount is used within 3 hours . Installation: 923 mortar belt of about 5cm and 3cm high is smeared on the four sides of th

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