After the rubber is solidified with acid, it can be collected and washed with steam engine rolling and water, and after being pressed and dried, it is a yellow standard raw rubber.

This kind of raw rubber is very elastic, it is almost difficult to find such a substance in nature, but the yellow standard raw rubber has great disadvantages, it will be soft and sticky when exposed to the sun, and it is difficult to use.

Add sulfur to the raw rubber, and then heat it, you will witness the miracle happening, like the liquid raw rubber slowly solidifies and turns black, and gradually takes shape in the mold, it becomes the tire that Tang Sanbar misses in his heart.

The modern tire industry will also add other substances to help shape and increase strength, but Tang Sanbar's requirements are not so high, first make a batch of samples, and then slowly move closer to modernization.

"How did this end up in the second pool?" Dugu Yan looked at the glue pond in the factory and asked,

Tang San shrugged, it's not that he lacks acid, the chemical factory is waiting for you to take office, and he talked about the process of making rubber in general, and Dugu Yan's eyes showed a different kind of brilliance.

"Interesting! This change occurs when the rubber is treated with a variety of different chemicals! It's really amazing, let's go back to Wuhun City immediately to make hydrochloric acid, find a few thunderbolt soul masters, and we should be able to make hydrochloric acid according to the book. ”

"Good! Time is running out, let's go back immediately! ”

Wuhun City Chemical Plant,

Tang Sangang specially asked Bibi Dong for a few soul masters who could continuously release thunder and lightning soul skills, and then prepared materials, a carbon rod, an iron rod, saturated salt water, a U-shaped tube, and a plastic bottle.

The first experiment was just a small experiment, after all, this used thunder and lightning to electrolyze saturated salt water It is estimated that Tang Sanbar is the first time, he remembers that the battery connected to the book also has positive and negative electrodes, how do people distinguish positive and negative electrodes. If it is not well controlled, a large amount of hydrogen explosion will not cause too serious damage.

The two openings of the U-shaped tube are blocked by rubber plugs, and a carbon rod is inserted in the middle of the rubber plug, immersed in saturated salt water, and there is a small mouth on each side of the tube, which is the place where hydrogen and chlorine are released.

First pour a large amount of salt into the water cup until it cannot be dissolved after stirring many times, then pour it into the U-shaped tube, Tang San put on the rubber stopper, and handed the test device to the thunder soul master who came.

"Pinch these two sticks, release the thunder and lightning, and let the thunder and lightning connect the two sticks through your hand, get it."

The young Thunder Soul Master nodded excitedly, it was the first time he had stood so close to this Lord Tang, and he was excited for a while.

And then I was too excited,

Bang~

The U-tube was pinched and fried...... Saturated salt water was sprinkled on the table, and glass shards were everywhere.

The Thunder Soul Master cried and said, "I...... I didn't mean to! ”

Tang Sanbar didn't care, patted him on the shoulder, "It's okay, don't be pressured,"

Then he directly took out ten U-shaped tubes, which are very cheap, and he can exchange hundreds of millions of them in the system. Repeat the steps just now, the thunder soul master is much more stable this time, please pick it up, don't dare to exert any more force.

"Unleash the martial soul and soul skills."

The thunder soul master nodded, blue soul power poured out from the body, under the possession of the martial soul, the face became sharper, the eyes turned blue, and at the same time, the skin on the body became more gray, and the three soul rings under his feet rose, yellow and yellow, all of them were hundred-year-old soul rings.

"Thunder eel possession!"

Tang Sankong: Embarrassment

There really is this kind of martial spirit!

"What's your name?" Tang Sangang asked,

"My name is Guia." Guia was very excited, and the excitement in his hands was even greater.

"Be careful!" Tang Sanbar hurriedly reminded,

Bang~

The second U-tube also blew up...

Tang San was quite helpless, looking at the broken glass on the table, as well as Guiya's crying face, he had to comfort: "It's okay, it's safe!" ”

Dugu Bo and Dugu Yan smiled lightly on the side, they didn't expect Young Master Tang's charm to be so great, and the other soul masters who were traveling with him were envious, and they also wanted to get the care of this Titled Douluo Lord.

"Go ahead."

Hand the configured U-shaped tube to Guiya again, and then Tang Sangang didn't say a word very interestingly, Guiya also sorted out his emotions, took a deep breath, the first soul ring lit up, the first soul skill: Thunder armor, activate!

Bursts of blue thunder jumped on Guia's body, jumping around on his body, making sizzling sounds from time to time, and as the thunder and lightning jumped more and more, gradually covering his entire body, forming a thunderbolt armor.

Tang Sangang nodded secretly, this is a soul skill for main defense, but it can also be used to attack, and it will have a miraculous effect against the soul master who is strong in attack and then focuses on hand-to-hand combat.

Guiya's whole body was surging with electricity, and as the index finger and thumb pinching the iron rod and carbon rod entered the saturated salt water, the experiment finally began, Tang Sangang saw this, and immediately put one end of the soft leather tube into the small tube of the iron rod on the left side of the U-shaped tube, and the other end was put into the upside-down bottle, and after leaving it for a while, a lot of gas was collected,

I took out the soft leather tube, put the plastic bottle on the table, and smelled the gas inside, there was no smell.

Then with the elimination method, it is not chlorine in the first place, because chlorine has a strong pungent odor.

A trace of flame appeared on his fingertips, and Tang Sangang brought the flame close to the mouth of the bottle,

Suddenly boom!

It wasn't that the U-shaped tube exploded, but that the gas in the bottle exploded, and the bottle jumped up happily, Tang Sangang clearly saw that the flames were spewing out from the mouth of the bottle, and it was definitely hydrogen inside!

Dugu Yan's eyes lit up, and he hurriedly asked, "This should be hydrogen, I remember that elementary chemistry said that hydrogen is easy to deflagrate." ”

Tang Sankong smiled at the corner of his mouth and nodded slightly, "That's right, hydrogen is colorless, transparent, extremely flammable, and lighter than air, it also has other uses, our experiment was successful!" ”

"As long as hydrogen and chlorine are mixed and burned, and when dissolved in water, it is hydrochloric acid, and the rubber can be made in the next step!"

"So, you need to do a large-scale hydrochloric acid production like a method now, and this experimental production alone is not enough."

"Don't worry! Leave it to me! ”

Dugu Yan is full of confidence, and she is very excited when she sees the hydrogen explosion! That's chemistry! That's chemistry! In an instant, it released extremely high heat and energy, and had a strong breaking power, and the thought of something mentioned in the chemistry book made her even more excited!

"Young Master Tang! I have a question for you, can we make this trinitrotoluene? ”

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