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抹面砂漿與抗裂砂漿有什么不同？

來源：http://www.wavc.cn 日期：2020-07-09 發布人：

1：抹面砂漿是指涂抹在基底材料的表面，兼有保護基層和增加美觀作用的砂漿。與砌筑砂漿相比，抹面砂漿具有以下特點：

1: Plastering mortar refers to the mortar applied on the surface of base materials, which can protect the base and increase the beauty. Compared with masonry mortar, plastering mortar has the following characteristics:

①抹面層不承受荷載；

① The plastering layer shall not bear load;

②抹面層與基底層要有足夠的粘結強度，使其在施工中或長期自重和環境作用下不脫落、不開裂；

② The plastering layer and the base layer shall have sufficient bonding strength to prevent them from falling off and cracking during construction or under long-term self weight and environmental effects;

③抹面層多為薄層，并分層涂抹，面層要求平整、光潔、細致、美觀；

③ The plastering layer is mostly a thin layer, and is applied layer by layer. The surface layer is required to be smooth, smooth, meticulous and beautiful;

④多用于干燥環境，大面積*露在空氣中。

④ It is mainly used in dry environment and exposed to the air in large area.

(2) 抹面砂漿的分類、性能及應用

(2) Classification, performance and application of plastering mortar

根據其功能不同，抹面砂漿一般可分為普通抹面砂漿和特殊用途砂漿（具有防水、耐*、絕熱、吸聲及裝飾等用途的砂漿）。

According to their different functions, plastering mortar can be generally divided into ordinary plastering mortar and special mortar (mortar with waterproof, anti *, heat insulation, sound absorption and decoration).

2：抗裂砂漿（anti-crack mortar），以由聚合物乳液和外加劑制成的抗裂劑、水泥和砂按一定比例制成的能滿足一定變形而保持不開裂的砂漿。其中的防裂劑主料就是一種叫硅灰的，它能夠填充水泥顆粒間的孔隙，同時與水化產物生成凝膠體，與堿性材料氧化鎂反應生成凝膠體。

2: anti crack mortar (anti-crack mortar), made of polymer emulsion and admixture of anti cracking agent, cement and sand in a certain proportion can meet certain deformation to maintain non cracking mortar. The main ingredient of the anti cracking agent is silica fume, which can fill the pores between cement particles and form gel with the hydration products and react with Magnesium Oxide, the basic material, to form a gel.

常用的普通抹面砂漿有水泥砂漿、石灰砂漿、水泥石灰混合砂漿、麻*石灰砂漿（簡稱麻*灰）、紙筋石灰砂漿（紙筋灰）等。

Common plastering mortar includes cement mortar, lime mortar, cement lime mixed mortar, hemp lime mortar (referred to as hemp * ash), paper reinforced lime mortar (paper reinforced mortar), etc.

抹面砂漿應用與基面牢固地粘合，因此要求砂漿應有良好的和易性及較高的粘結力。抹面砂漿常分兩層或三層進行施工。底層砂漿的作用是使砂漿與基層能牢固地粘結，應有良好的保水性。中層主要是為了找平，有時可省去不做。面層主要為了獲得平整、光潔地表面效果。

The plastering mortar should be firmly bonded with the base surface, so the mortar should have good workability and high cohesive force. Plastering mortar is usually divided into two or three layers for construction. The function of the bottom mortar is to make the mortar and the base course firmly bond and have good water retention. The middle level is mainly for leveling, sometimes it can be omitted. The main purpose of surface layer is to obtain smooth and smooth surface effect.

各層抹會面的作用和要求不同，每層所選用的砂漿也不一樣。同時，基底材料的特性和工程部位不同，對砂漿技術性能要求不同，這也是選擇砂漿種類的主要依據。水泥砂漿宜用于潮濕或強度要求較高的部位；混合砂漿多用于室內底層或中層或面層抹灰；石灰砂漿、麻*灰、紙筋灰多用于室內中層或面層抹灰。對混凝土基面多用水泥石灰混合砂漿。對于木板條基底及面層，多用纖維材料增加其抗拉強度，以防止開裂。

The functions and requirements of each layer are different, and the mortar used in each layer is also different. At the same time, the characteristics of base materials and engineering parts are different, and the technical performance requirements of mortar are different, which is also the main basis for the selection of mortar types. Cement mortar is suitable for wet or high strength parts; mixed mortar is mostly used for indoor bottom or middle layer or surface plastering; lime mortar, hemp ash and paper mortar are mostly used for indoor middle or surface plastering. Cement lime mixed mortar is often used for concrete base surface. For the base and surface layer of wood strips, fiber materials are often used to increase their tensile strength to prevent cracking.

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