"Don't ask, Fubo, you'll know later! The latter thing is just a plaything for entertainment! The previous thing would be more useful, but it's hard to see now, and you need to build something that carries it! The immediate priority is that you first build this crusher and a high-temperature steam generator! ”

Li Zexuan saw Fu Bo's confused look, he knew what he was thinking, and hurriedly explained.

"Good! The old man will arrange it! These two machines are not complicated, and they must be ready in three days! ”

Fauber nodded, and did not pursue any further questions.

"Oh, yes! Fauber! ”

Li Zexuan patted his head and suddenly shouted: "When you melt the rubber in the high-temperature steam generator later, you can add a certain amount of sulfur, how much to add, Fubo, you have to send someone to do an experiment!" As far as I know, adding different proportions of sulfur to rubber will affect the hardness and wear resistance of the final rubber! The two things I want to do need a certain hardness and wear resistance, if you are not sure about the idea at that time, you can show me all the vulcanized rubber obtained from the experiment, and I will choose the most suitable one! ”

The rubber extracted from the rubber primogon latex is called raw rubber, which is a relatively soft and easy to melt by heating straight-chain polymer, and after sulfurization, the rubber can be vulcanized at high temperature, so that part of the carbon-carbon double bond in the raw rubber is opened to sulfur to form a disulfide bond, so that the original straight-chain rubber is converted into a polymer compound with a network molecular structure, and the vulcanized rubber has better physical properties.

Raw rubber will crack when heated, poor mechanical properties, weak wear resistance and softness, vulcanized rubber because of the cross-connection between molecules, the melting point is increased and the strength increases, rubber vulcanization is an indispensable step in the modern rubber production process. The rubber in many industrial products is vulcanized rubber, such as tires!

Fu Bo didn't ask Li Zexuan where he knew this information, because he knew that if he asked, it would be in vain, and his young master seemed to be born to know, and there were too many secrets on his body!

"Young master, will all rubber be treated like this in the future?"

After pondering for a while, Fu Bo asked with some concern.

Li Zexuan thought for a while and replied: "Most of them should be handled like this, what's wrong?" ”

With the exception of a very small number of industrial products in which rubber does not require sulfurization, most of them require sulfurization.

Fu Bo smiled bitterly: "Young master, in this way, I'm afraid it will take a lot of sulfur!" Where are we going to buy so much? This time, in order to refine rubber latex, we are about to empty the vinegar workshop in Chang'an City, so that now the price of vinegar has risen, if you buy sulfur like this, I am afraid that the sulfur of the major pharmacies in Chang'an City will also rise! Then we're going to do evil! ”

In ancient times, the main role of sulfur was still medicinal, and the sulfur used by Li Zexuan when he made explosives to blow up Snake Lingshan was bought from a medicine store! Sulfur is used for medicinal purposes, first seen in the "Shennong Materia Medica", in this book, sulfur is used as a traditional Chinese medicine, is listed as the third place in Chinese medicine, can cure more than ten kinds of diseases.

Fu Bo is afraid that the price of sulfur will rise due to the large-scale acquisition of the workshop, after all, the sulfur in the pharmacy is for curing diseases, where will there be so much stock? When the time comes, the patients who need to buy sulfur for treatment can't afford it, and they are really creating evil!

After listening to Fu Bo's words, Li Zexuan couldn't help but feel a little strange in his heart, he never thought that refining rubber would cause Chang'an vinegar to be expensive, of course, he didn't expect that a necessary industrial raw material needed for rubber to be put into practical application - sulfur would be so difficult!

"Then let's start small-scale production! Anyway, the two rubber products I painted for you are not in a hurry to mass produce! Fauber, do you have any trustworthy people who are willing to endure hardships and stand hard work? ”

Li Zexuan only found out at this time that even if he had a good idea, he still had to stop cooking without resources! The previous "don't touch me" carriage has not yet been mass-produced, why? It's not because of a lack of manpower in the workshop, it's not because of a lack of technology, it's a lack of iron!

According to historical records, the annual steel output of Datang during the Zhenguan period was only a few hundred tons, and yes, it was just a few hundred tons!

What can a few hundred tons of steel do? Arming an army of 10,000 people is estimated to be enough!

Therefore, steel at this time is an extremely important national strategic material, most of which went to the imperial court, and only a small part of it fell to the people, so even if Li Zexuan's workshop technology is advanced and the production efficiency is high, it is impossible to say that hundreds or thousands of "don't touch me" carriages are built a month!

After all, there is still no mine at home!

Li Zexuan thought helplessly.

"What are you going to do, young master?"

Fauber asked with a strange expression.

"Prospecting, mining!"

Li Zexuan said a little viciously.

In his previous life, he was a poor sling, in this life he is a rich second generation, he wants to be a mine owner, as the so-called family has a mine, so he is not panicked! That's it!

"Prospecting~?"

Fu Bo muttered, and then asked, "Young Master, this world is big, where should I go to find mines?" Even those who can endure hardships can't bear it! ”

Li Zexuan's face had returned to normal, and he smiled slightly: "This problem is not big, I know the specific location of several mines, I just need to send someone to look around there!" ”

He just recalled the geography book of his previous life, and knew that there were several relatively large pyrite in Shanxi, the so-called pyrite, which was mainly the sulfide of iron.

Fu Bo's heart was shocked again, and secretly said that his young master really knew everything, he thought about it seriously, and showed a rare expression of embarrassment on his face, and said: "The young master wants to find someone to help find mines, but the old man wants to recommend someone!" ”

"Oh? Say it quickly, Fauber! ”

Fauber coughed dryly twice and said:

"Ahem! Young master, the old man has a nephew, called Fubin, his father died early, and was raised by the old man, this child... Although he is usually a little playful, as long as it is a serious matter, he will definitely take it seriously! If the young master is ......"

"Haha! That's fine! Tomorrow afternoon, Fubo, you will bring that kid to Yunshan to look for me, and I will tell him the general location of these mines by the way! ”

Without waiting for Fu Bo to finish speaking, Li Zexuan directly interrupted with a smile.

Fu Bo exclaimed: "Young Master, you, this ......"

"Needless to say, I can still trust the person you recommended! Oh, by the way, if you have a way to buy the sulfur ore directly from someone else's hands, as long as the price is not outrageous, you can tell me, and I will buy it! ”

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