根據(jù)國(guó)家環(huán)保標(biāo)準(zhǔn)選擇膩?zhàn)臃坌柚攸c(diǎn)關(guān)注以下四個(gè)方面：

　　According to national environmental standards, the selection of putty powder should focus on the following four aspects:

　　一、環(huán)保認(rèn)證與標(biāo)準(zhǔn)

　　1、 Environmental certification and standards

　　GB18582標(biāo)準(zhǔn)

　　GB18582 standard

　　該標(biāo)準(zhǔn)規(guī)定膩?zhàn)又屑兹┑扔泻ξ镔|(zhì)含量≤10mg/kg，是環(huán)保底線要求。包裝上需明確標(biāo)注此標(biāo)準(zhǔn)。

　　This standard stipulates that the content of harmful substances such as formaldehyde in putty should be ≤ 10mg/kg, which is the bottom line requirement for environmental protection. This standard should be clearly marked on the packaging.

　　十環(huán)認(rèn)證

　　Ten-ring Certification

　　國(guó)家強(qiáng)制性環(huán)保認(rèn)證，需在產(chǎn)品標(biāo)識(shí)中看到“十環(huán)”字樣，確保無甲醛釋放。

　　The national mandatory environmental certification requires the words "Ten Rings" to be seen on the product label to ensure no formaldehyde emissions.

　　法國(guó)A+認(rèn)證

　　French A+certification

　　行業(yè)內(nèi)高環(huán)保標(biāo)準(zhǔn)，限制VOC釋放量，優(yōu)先選擇含植物淀粉等環(huán)保膠水的產(chǎn)品。

　　High environmental standards in the industry limit VOC emissions and prioritize products containing environmentally friendly adhesives such as plant starch.

　　二、膠水與添加劑選擇

　　2、 Selection of Adhesive and Additives

　　禁止使用含甲醛膠水 ：如801膠水（含尿素甲醛），國(guó)家明令禁止使用。

　　Prohibited use of formaldehyde containing adhesives: such as 801 adhesive (containing urea formaldehyde), which is explicitly prohibited by the state.

　　選擇環(huán)保膠水 ：優(yōu)先植物淀粉、水性膠粉等低污染成分。

　　Choose environmentally friendly glue: prioritize low polluting ingredients such as plant starch and water-based adhesive powder.

　　避免滑石粉添加 ：嬰兒爽身粉類滑石粉致癌，施工中禁止使用廉價(jià)滑石粉。

　　Avoid adding talcum powder: Baby talcum powder can cause cancer, and the use of cheap talcum powder is prohibited during construction.

　　三、技術(shù)標(biāo)準(zhǔn)與性能

　　3、 Technical standards and performance

　　JG/T298標(biāo)準(zhǔn)

　　JG/T298 standard

　　建筑行業(yè)技術(shù)標(biāo)準(zhǔn)，涵蓋強(qiáng)度、粘性等指標(biāo)，確保膩?zhàn)邮┕ば阅堋?/p>

　　The technical standards of the construction industry cover indicators such as strength and viscosity to ensure the construction performance of putty.

　　耐水型膩?zhàn)樱∟型）

　　Waterproof putty (N-type)

　　適用于南方潮濕環(huán)境，需在包裝標(biāo)注“N”字，避免普通型（R或Y）。

　　Suitable for humid environments in the south, it is necessary to label the packaging with the letter "N" to avoid ordinary types (R or Y).

　　四、施工注意事項(xiàng)

　　4、 Construction precautions

　　薄涂多刮 ：每層厚度≤3mm，至少刮2-3遍，確保底層干透。

　　Thin coating and multiple scraping: Each layer has a thickness of ≤ 3mm and should be scraped at least 2-3 times to ensure that the bottom layer is completely dry.

　　禁止加水 ：膩?zhàn)邮┕r(shí)只能加水，不可添加膠水或滑石粉。

　　No water addition: During putty construction, only water can be added, and no glue or talcum powder can be added.

　　總結(jié) ：選擇膩?zhàn)臃蹠r(shí)，優(yōu)先查看GB18582、十環(huán)、法國(guó)A+等認(rèn)證，避免含甲醛膠水和廉價(jià)滑石粉，同時(shí)符合JG/T298技術(shù)標(biāo)準(zhǔn)，并注意施工規(guī)范。

　　Summary: When choosing putty powder, priority should be given to checking certifications such as GB18582, Tenth Ring, and French A+, avoiding formaldehyde adhesives and cheap talcum powder, while complying with JG/T298 technical standards and paying attention to construction specifications.

　　膩?zhàn)臃鄣拿科椒矫子昧渴芏喾N因素影響，包括墻面平整度、施工遍數(shù)、膩?zhàn)宇愋图肮に嚨?。以下是綜合各來源信息的總結(jié)：

　　The amount of putty powder per square meter is influenced by various factors, including wall flatness, number of construction passes, putty type and process, etc. The following is a summary of information from various sources:

　　常規(guī)用量范圍

　　Conventional dosage range

　　平整墻面：通常每平方米需1.5-2.5公斤（兩遍施工），若刮涂三遍則增至3-3.5公斤。

　　Flat wall surface: usually requires 1.5-2.5 kilograms per square meter (two layers of construction), and if scraped three times, it increases to 3-3.5 kilograms.

　　不平整墻面：用量可能翻倍，如找平耐水膩?zhàn)有?公斤/平方米以上，粗糙基層甚至達(dá)3公斤/平方米。

　　Uneven wall surface: The usage may double. For example, leveling waterproof putty requires more than 2 kilograms per square meter, and rough base layers can even reach 3 kilograms per square meter.

　　施工遍數(shù)與厚度

　　Construction times and thickness

　　每遍厚度建議0.5-1mm，單遍用量約0.8-1.25公斤/平方米。兩遍成活需2-2.5公斤，三遍需3-3.5公斤。

　　The recommended thickness for each pass is 0.5-1mm, with a single pass usage of approximately 0.8-1.25 kilograms per square meter. It takes 2-2.5 kilograms to survive twice and 3-3.5 kilograms to survive three times.

　　耐水膩?zhàn)右蛎芏容^高，用量比普通膩?zhàn)佣?5%-20%。

　　Waterproof putty has a higher density and requires 15% -20% more than ordinary putty.

　　包裝與面積換算

　　Packaging and Area Conversion

　　一袋20kg膩?zhàn)臃墼谄秸麎γ嫔峡筛采w約30平方米（單遍），但三遍施工后僅能覆蓋8-10平方米。

　　A bag of 20kg putty powder can cover about 30 square meters on a flat wall (single pass), but after three passes of construction, it can only cover 8-10 square meters.

　　關(guān)鍵影響因素

　　Key influencing factors

　　墻面狀況：毛坯墻或舊墻翻新時(shí)，需先水泥找平，否則用量顯著增加。

　　Wall condition: When renovating rough walls or old walls, cement leveling is required first, otherwise the usage will significantly increase.

　　工藝標(biāo)準(zhǔn)：高標(biāo)準(zhǔn)施工（如垂直度要求高）可能增加40%用量。

　　Process standards: High standard construction (such as high verticality requirements) may increase usage by 40%.

　　環(huán)境濕度：高濕度環(huán)境可能導(dǎo)致用量增加12%。

　　Environmental humidity: High humidity environments may lead to a 12% increase in usage.

　　建議：實(shí)際計(jì)算時(shí)，可按公式“膩?zhàn)佑昧?墻面面積×單位用量（1.5-3公斤/㎡）”，并預(yù)留10%-15%損耗。例如，100平方米墻面需150-300公斤膩?zhàn)臃郏ㄒ暬鶎忧闆r調(diào)整）。

　　Suggestion: In actual calculation, the formula "putty usage=wall area x unit usage (1.5-3 kg/㎡)" can be used, and 10% -15% loss should be reserved. For example, a 100 square meter wall requires 150-300 kilograms of putty powder (adjusted depending on the base layer).

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