Carefree Prince In Tang Dynasty

The cleaned sand is pushed into the furnace, first dried at a relatively low temperature, and then the ingredients are also sent into the furnace, heated to melt, and finally cooled to form. This is the general procedure for firing glass.

After knowing this, at least it can be guaranteed to burn the glass, and the quality is absolutely no less than the piece Wu Zhen held just now. However, if you want to burn the glass that Li Xin wants, which can be used as a microscope lens, it's still a long way away.

First, these glasses must be colorless. This requires adequate removal of impurities during the forging process, and no metal ions can be mixed in the formed glass, otherwise different colors will appear due to the difference in metal ions.

Secondly, these glasses must be transparent. On the basis of adequately removing impurities, the temperature control should also be perfect. Otherwise, the burned glass is full of bubbles. It is not beautiful enough to use it as a cup, let alone what kind of microscope it is used for.

Wu Zhen was very thankful that he had thrown away the colored glass without hesitation. Because only a few hours later, he really saw a bunch of colorful colored glaze constantly being produced from the stove.

Sure enough, the prince would not lie. Even if it is a treasure like Liuli, as long as he says that it can be made for you and piled into a hill in front of you, it can really be piled into a hill.

Wu Zhen was in a speechless shock, but Li Xin was still dissatisfied with the glass. He kept shaking his head with a very disappointed expression. Every time the glass came out of the oven, he just glanced at it, then shook his head and waved his hand to let people throw it out.

Seeing these precious colored glazes being crushed and discarded in front of him, Wu Zhen felt a little painful for no reason. Although he saw the whole process of turning a worthless piece of sand into colored glaze, he still subconsciously felt that colored glaze was quite precious.

Li Xin stayed in the metallurgical base for three days. Obviously it was the glass-burning that he was fairly familiar with, but he often encountered unexpected difficulties during the experiment. Fortunately, he succeeded in the end, burning a large piece of pure transparent glass without bubbles.

"Finally succeeded." He breathed a long sigh of relief, and said to the experimenter who was busy recording the data, "Have you written down the temperature and the ratio?"

The experimenter nodded.

"Okay, burn it again under this condition and see if it can succeed," Li Xin said.

Taking advantage of the efforts of the group of experimenters getting busy again, Wu Zhen was already squatting on the edge of the two-foot-long glass block, staring dumbfounded.

"Such a flawless colored glaze..." Wu Zhen couldn't help reaching out to touch it, and the cold touch of the hand made him feel a little jump faster for no reason.

In the past few days, seeing the prince repeatedly ruining those beautiful colored glazes, Wu Zhen was already numb. However, seeing such a perfect and large piece of colored glaze with his own eyes, he still couldn't help being a little shocked.

Li Xin looked at Wu Zhen's unpromising appearance, and shook his head a little amused. He knew that Wu Zhen needed time to adapt to Liuli, or the fact that glass was not a treasure at all.

"What?... Go and find a few craftsmen who can carve gems for me." Li Xin ordered Wu Zhen, "The higher the craftsmanship, the better, and the rewards can be more. I have an urgent need."

Hearing this, Wu Zhen came back to his senses, and quickly got up and said, "Yes!"

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