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聚脲噴塗不同底材的處理方式

日期：2019-9-9 发布者：聚脲

　　在聚脲塗料噴塗的過程當中，對于不同的底材的處理方式也存在著很大的不同，比如說金屬底材以及混凝土底材的噴塗就有著較大的差異;對于這樣的兩種不同底材的處理，聚脲噴塗之前，都需要進行怎樣的處理方法呢?

　　1、金屬底材處理：先將底材噴砂處理到Sa2.5級，對于焊縫等缺點部位用環氧膩子找平，使整個底材能夠平滑過渡等環氧膩子固化後用角磨機磨平，然後清潔底材輥塗或是刷塗兩道配套底漆。

　　2、混凝土底材處理：對混凝土預制件進行抛丸處理或用角磨機和高壓水槍等清理表面的灰塵浮渣。等底材完全幹燥後用堵縫料進行表面找平，需要堵縫部位待堵縫料固化後用角磨機磨平。然後清理表面的汙物刷塗或是輥塗一道配套底漆待用。底漆重塗間隔爲24小時到3小時。

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[Pg 51] They saw a native ferry-boat at one point, which was heavily laden with a mixed cargo. According to Fred's inventory, the craft contained a horse and half a dozen men, together with a lot of boxes and bundles, which were, as the auctioneers say, too numerous to mention. The head of the horse was firmly held by the groom who had him in charge, as it[Pg 285] would have been a serious matter if the beast had broken away and jumped into the stream with all his load about him. A Japanese ferry-boat does not appear the safest thing in the world, but, somehow, one never hears of accidents with it. If any occur, they must be carefully kept out of the papers. never listened to a more illuminating exposition of the subject. J. A. Convinced that both the hydroplane and the yacht would have located the spot on the sea where they would meet, Jeff broke the tedium of his tight circle by a reverse of controls, banking to the other side and swinging in a climbing spiral to the right. Evidently Jeff either caught his thought or decided on a course through his own quick wit. "Stop it; stop it!" yelled Si, his temper again rising. "Great day, can't you fellers understand plain English when it's talked to you? What's the matter with you, anyway? Here, Bradshaw, when I give the order to count, you count one. Wheel wright, you count one at the same time. Williams and Talbot, you each count two. Then Aldrich, you and Reynolds count one, and so on." The Deacon rubbed his eyes and hastened a moment to the clamor outside. It seemed as if there were a thousand curs surrounding them, barking, howling, snarling, fighting, and scratching. He snatched up a club and sprang out, while Shorty tottered after. He ran into the midst of the pack, and began laying about with his strong arms. He broke the backs of some, brained others, and sent the others yelping with pain and fright, except two particularly vicious ones, who were so frenzied with hunger that they attacked him, and bit him pretty severely before he succeeded in killing them. Then he went around to the end of the crib nearest his precious hoard, and found that the hungry brutes had torn away his clay and even the larger of the stones, and nothing but their fighting among themselves had prevented the loss of his chickens. "What in tarnation set the beasts onto us," inquired Shorty wonderingly. "They were wuss'n cats around catnip, rats after aniseed, or cattle about a spot o' blood. I've felt that me and Si wuz in shape to bring the crows and buzzards around, but didn't expect to start the dogs up this way." Si saluted and took his position, facing the line, with a look of calm impartiality upon his face. Shorty turned around and backed up to him so that the calves of their legs touched, and began intently studying his gunlock. "I don't say he told the Baron," said Calverley; "but I believe Holgrave loves to make every body look worse than himself; and to be plain with you, John Byles, I love him not." "Fly, knaves!" cried the galleyman, addressing Byles and Calverley, as he released the latter. "And now, meddling steward, if you attempt to interfere with her who is in that holy berth yonder, or injure the honest yeoman, her son, for this night's doings, the Lord have mercy upon you! Here, Stephen," (walking towards Holgrave, who had thrown himself beside the grave,) "up, and jump behind on my horse, for the cry of sacrilege will edge their brands, and friend or foe will have little chance. There—the abbey-gate is thrown open, and out they come with brand and torch." HoME 高清无码伦理片集合 ENTER NUMBET 0014www.z7z.com.cn
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