(3) With the improvement of the quality requirements for building decoration and the introduction of new coatings products, the smoothness of the base material has increasingly attracted the attention of the users, while the smoothness of the external wall often fails to meet the construction requirements. Construction units began to scrape putty on the base material, mostly using 107 glue and cement, cellulose traditional putty.

　　(4) 施工人員對(duì)外墻膩?zhàn)佑^念淡薄，為通過驗(yàn)收，常常使用性能低劣的外墻膩?zhàn)樱踔脸霈F(xiàn)了將內(nèi)墻膩?zhàn)?外用的現(xiàn)象，缺少對(duì)內(nèi)外墻膩?zhàn)哟嬖诓顒e的認(rèn)識(shí)，刮涂膩?zhàn)拥暮穸入m然開始增加，但隨之而來的是膩?zhàn)訉舆^厚導(dǎo)致的外飾面起皮、脫落等工程質(zhì)量問題。

　　(4) Construction personnel have a weak idea of putty for external wall. In order to pass the acceptance, they often use putty for external wall with inferior performance, and even use putty for external use. There is a lack of understanding of the difference between putty for internal wall and external wall. Although the thickness of scraping putty begins to increase, it is accompanied by engineering quality problems such as peeling and shedding of the outer surface caused by the excessive thickness of putty layer.

　　(5) 通過大量實(shí)踐及工程質(zhì)量分析，人們逐漸意識(shí) 到內(nèi)墻膩?zhàn)优c外墻膩?zhàn)邮怯袇^(qū)別的，二者使用的環(huán)境及部位不同，要求產(chǎn)品達(dá)到的性能也不同。

　　(5) Through a lot of practice and engineering quality analysis, people gradually realize that there is a difference between the inner wall putty and the outer wall putty. They use different environments and parts and require different products to achieve different performance.

　　(6) 內(nèi)墻膩?zhàn)有袠I(yè)標(biāo)準(zhǔn) JG / T 3049 — 1998( 建筑室 內(nèi)用膩?zhàn)印酚?1998 年 12 月 1 日 正式實(shí)施。隨著內(nèi)墻膩 子的大面積推廣使用和產(chǎn)品的逐步規(guī)范化，人們也逐 步認(rèn)識(shí)到膩?zhàn)釉谕垦b工程中所起到的重要作用。一方面，與內(nèi)墻涂裝類似，由膩?zhàn)淤|(zhì)量問題所引起的涂裝弊病在外墻涂裝中同樣存在。另一方面，隨著外墻涂飾 工程的不斷增加，各建筑單位在工程實(shí)踐中逐步認(rèn)識(shí) 到外墻膩?zhàn)拥闹匾约澳佔(zhàn)淤|(zhì)量與涂飾工程質(zhì)量是密 不可分的。各種外墻膩?zhàn)赢a(chǎn)品也應(yīng)運(yùn)而生且逐漸被建 設(shè)單位及施工單位所接受。

　　(6) Internal wall putty industry standard JG/T 3049-1998 (building indoor putty) was formally implemented on December 1, 1998. With the popularization and standardization of interior wall putty in a large area, people have gradually realized the important role of putty in painting engineering. On the one hand, similar to interior wall painting, the painting defects caused by putty quality problems also exist in exterior wall painting. On the other hand, with the continuous increase of exterior wall finishing projects, various construction units gradually realize the importance of exterior wall putty and the quality of putty is inseparable from the quality of painting projects. Various kinds of putty products for exterior walls have emerged as the times require and are gradually accepted by construction units and construction units.

　　(7) 過去由于沒有統(tǒng)一標(biāo)準(zhǔn)，外墻膩?zhàn)拥纳a(chǎn)和應(yīng) 用十分混亂，產(chǎn)品質(zhì)量參差不齊，低價(jià)位的膩?zhàn)訉映霾?窮，外墻涂飾工程的質(zhì)量特別是裂紋的產(chǎn)生未得到很 好地解決。外墻膩?zhàn)訕?biāo)準(zhǔn)的制訂迫在眉睫。

　　(7) In the past, due to the lack of uniform standards, the production and application of putty for exterior walls were very confused, the quality of products was uneven, low-cost putty emerged in endlessly, and the quality of exterior wall finishing engineering, especially the generation of cracks, was not well solved. The formulation of standards for putty on exterior walls is imminent.

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