指标	理化性质	测试方法
外观	白色粉末状	目测
pH 值	6.0~8.0	精密pH试纸（1%水溶液）
活性物含量 %	50	——
分散性	在水中能悬浮分散	——

三、应用领域

水泥混凝土、水泥自流平、粉体石膏；
内外墙腻子、填缝剂、石膏预制板；

四、如何使用

SH-E550建议的使用方式为混凝土与添加剂干混后加入水，它的添加会使体系的气泡减少。SH-E550消泡剂有流动的特性，与粉体涂料配合度良好。适合填缝剂，内外墙腻子，具有良好的通用性。根据具体情况，SH-E550添加量为0.1%～0.5%；

五、包装与储存

本品采用25L纸桶包装，或者根据客户要求定制。请在5~35℃条件下贮存，避免直接加热。如着火燃烧，按一般石油产品方法灭火。

在5~35℃温度时，未开封包装的条件下，自生产之日起，保质期为12个月。

SH-E550 Defoamer

Ⅰ. Features

Composed of liquid hydrocarbon and hydrophobic particles;
Used for defoaming and foam suppression in cement mortar, concrete, and self-leveling compounds.

Ⅱ. Technical Data

Item	Index	Test Method
Appearance	White powder	Visual inspection
pH	6.0~8.0	Precise pH test paper (1% aqueous solution)
Active Content (%)	50	--
Dispersibility	Suspendable and dispersible in water	--

Ⅲ. Applications

Cement concrete, cement self-leveling compounds, and gypsum powder;
Interior and exterior wall putties, joint fillers, and prefabricated gypsum boards.

Ⅳ. How to Use

It is suggested that dry-mix concrete with this product first and then add water, the addition of which will reduce air bubbles in the system. SH-E550 has good flow properties and exhibits excellent compatibility with powder coatings. It is suitable for joint fillers, interior and exterior wall putties, and offers good versatility. Depending on specific conditions, the recommended dosage is 0.1%~0.5%.

Ⅴ. Packaging and Storage

This product is packaged in 25L fiber drums, or in a customized size as per customer request. Please store at 5℃~35℃ and avoid direct heating. If it catches fire and burns, put out the fire according to the general petroleum products method.

The shelf life is 12 months from the date of production at 5℃~35℃ in unopened packaging.

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