Overview
Emulsion cement is a composite material where Portland cement is blended with polymer emulsions (e.g., styrene-butadiene rubber or acrylic) to improve performance. The polymers form a flexible film within the cement matrix, enhancing properties like tensile strength and water resistance. Developed in the mid-20th century, it bridges the gap between traditional cement and modern polymer technologies. This material is particularly valued in construction for its ability to bond to diverse substrates, including old concrete, wood, and metals. Its versatility makes it a staple in both residential and industrial projects, especially where durability under mechanical stress or moisture exposure is critical.
Physical and Chemical Properties
Emulsion cement exhibits unique hybrid characteristics due to its polymer-cement synergy. It typically achieves 2–3 times higher flexural strength than conventional cement, with reduced shrinkage during curing. The polymer content (usually 5–20% by weight) also lowers permeability, making it ideal for waterproofing applications. Chemically, the alkaline environment of cement (pH ~12–13) stabilizes the polymer emulsion, allowing coalescence into a continuous film as water evaporates. This film fills microcracks and pores, improving density. Key metrics include a setting time of 1–4 hours (adjustable with additives) and compressive strength ranging from 20–50 MPa after 28 days.
Main Applications
In construction, emulsion cement is widely used for waterproofing basements, bridges, and swimming pools due to its impermeability. It serves as a high-performance adhesive for ceramic tiles and stone cladding, offering superior bond strength even on uneven surfaces. Another major use is in repair mortars for deteriorating concrete structures, where its low shrinkage and adhesion prevent delamination. Specialty formulations are employed in self-leveling floor coatings and anti-corrosive coatings for industrial facilities. Emerging applications include 3D-printed construction materials, leveraging its enhanced rheology.
Safety and Storage
While emulsion cement is generally safe when handled properly, its alkaline nature requires precautions. Dust inhalation can cause respiratory irritation, necessitating N95 masks during mixing. Skin contact should be avoided with gloves and long sleeves due to potential dermatitis. Storage conditions are critical to maintain shelf life (typically 6–12 months). Bags or containers must be kept sealed in a dry environment below 30°C (86°F). Condensation or freezing can destabilize the polymer emulsion, leading to reduced performance. Always check for clumping before use, as this indicates moisture damage.
B2B Procurement Guide
For bulk procurement, prioritize suppliers with ISO 9001 certification to ensure consistent quality. Key specifications to verify include polymer type (e.g., SBR for waterproofing, acrylic for UV resistance), cement-to-polymer ratio, and compliance with standards like ASTM C1059 or EN 14891. Request technical datasheets with test results for bond strength, elongation, and water absorption. Consider logistics: pre-mixed pastes reduce on-site labor but have shorter shelf lives than dry blends. For large projects, negotiate tiered pricing and confirm MOQs (commonly 1–5 tons). Sample testing under project-specific conditions is strongly advised.
Related Manufacturers
- 主营：铝溶胶、硅溶胶、磷酸二氢铝、丙乳乳液、油酸钠、油酸钾、十八胺、甲酸钠、硫酸氢钠、碳酸铵、尿素硝铵溶液、硝酸铵钙、碳酸亚铁、甲基硅酸、二氧化硫脲、氟硅酸镁、二羟甲基丙酸、葡萄糖酸钠、二甲基甲酰胺、四氯乙烯、正丁醇、大苏打、硝酸铁、油酸甲酯
- 主营：沥青砂浆、铁屑砂浆、防油渗胶泥、防水涂料、环氧沥青防腐漆、无机铝盐防水砂浆、环氧树脂胶泥、防油渗砂浆、金属防静电不发火耐磨材料、氯丁胶乳、硫磺砂浆
- 主营：脱水剂、市政污泥脱水剂、靛蓝牛仔固色剂、纯丙烯酸乳液、预制构件专用乳液、GRC乳液、高性能流平乳液、高固含丙烯酸乳液、建筑领域乳液、GRC构件乳液、非氧化性杀菌剂、水处理药剂、高浓皂洗剂、预制件胶浆、白胶浆、绿色皂洗剂、市政污水处理厂、污泥二次深度脱水、皂洗剂浓缩液、板框式污泥脱水剂、预制件 增强胶浆、印花硬挺剂 木板胶、幕墙装饰板材、浮色清洗剂、液体型脱水剂
- 主营：SBS防水卷材、防水卷材、PVC防水卷材、聚合物防水乳液、TPO防水卷材、三元乙丙防水卷材、丁基防水胶带、彩色k11防水涂料、APP防水卷材、屋面防水涂料、防水防腐涂料、水性防水涂料、高分子自粘胶膜防水卷
- 主营：聚合物修补加固砂浆、环氧树脂灌浆料、道路快速修补料、水泥基灌浆料、聚丙烯乳液砂浆、水泥基渗透结晶防水涂料、水泥基自流平砂浆、聚合物防水防腐砂浆、环氧树脂胶泥、环氧树脂砂浆、混凝土防碳化涂料、环氧灌浆树脂胶、裂缝空鼓胶、环氧树脂植筋胶、环氧树脂粘钢胶、环氧树脂碳布胶、环氧树脂界面胶、J302环氧界面剂、J303混凝土起沙处理剂、EC-1高强界面剂、108浓缩建筑胶粉、环氧树脂涂料、碳纤维布
- 主营：灌缝胶、伸缩缝、修补胶、聚丙烯酸酯乳液、沥青砂、灌浆料、压浆料、植筋胶、混凝土、修补料、坑槽修、蓄水池、速凝灰、泥注浆、修复剂、丙乳砂浆、轨道封槽、轨道填充、路面修补、维修堵漏、地面垫层、跑道维修、涂装涂料、维修材料、裂缝修复、喷涂砂浆
- 主营：膨胀剂、覆膜剂、减水剂、膨胀水泥、砂浆水泥、速干水泥、建筑水泥、屋顶水泥、水泥自流平、水泥砂浆抗冻剂、速凝剂、凝固剂、修补材料、修补砂浆、防静电地坪、防碳化涂料、功能性地坪、无声破碎剂、混凝土早强剂、混凝土添加剂、无收缩灌浆料、液固央混凝土、地面找平机器泵、岩棉专用界面剂、早强防冻剂
- 主营：灌浆料、高延性混凝土、风电灌浆料、环氧树脂灌浆料、路面快速修补料、环氧树脂砂浆、环氧树脂胶泥、孔道压浆料、UHPC超高性能混凝土、CPC防碳化涂料
- 主营：防水剂、憎水剂、沥青砂浆、胶乳水泥砂浆、环氧沥青、沥青胶泥、沥青油膏、防水涂料、聚合物防水、透明防水胶、聚氨酯防腐、聚氨酯防水、盐防水砂浆、防油渗胶泥、渗透结晶防水
- 主营：混凝土色差修复剂、环氧树脂砂浆、混凝土防碳化涂料、水泥自流平砂浆、环氧乳液砂浆、聚合物水泥浆、聚合物防水防腐砂浆、聚合物防水砂浆、灌浆料、高分子防水益胶泥、环氧树脂胶泥、混凝土界面剂、聚合物加固砂浆、环氧界面胶、不发火防静电砂浆、混凝土保护剂、混凝土色差调整剂、丙乳砂浆、铝酸盐无机防腐砂浆、环氧粘钢胶、环氧植筋胶、道路修补料、空鼓胶、起砂处理剂、环氧灌浆料
- 主营：环氧树脂砂浆、特种铝酸盐无机防腐砂浆、双组分聚合物砂浆、聚丙烯酸酯乳液水泥砂浆、改性环氧聚合物砂浆、UHPC超高性能混凝土、快速修补砂浆、灌浆料、环氧灌浆料、钢筋阻锈剂、环氧修补砂浆、支座灌浆料、丙乳砂浆、高延性混凝土、界面剂、高强聚合物砂浆、路面修补砂浆、混凝土增强剂、伸缩缝快速修补材料
- 主营：om-5防腐涂料、8710饮用水涂料、有机硅高温漆、丙烯酸聚氨酯漆、水性丙烯酸面漆、环氧陶瓷涂料、聚氯乙烯含氟荧丹漆、环氧玻璃鳞片涂料、乙烯基玻璃鳞片涂料、环氧自流平面漆、无溶剂环氧涂料、氟碳漆、耐油导静电涂料
- 主营：ra树脂沥青、氰凝防水防腐涂料、ebcl树脂沥青、聚丙烯酸酯乳液、901瓷釉防腐涂料、玻纤套筒、水下环氧灌浆料、环氧砂浆、环氧胶泥、环氧沥青混凝土、树脂混凝土、桥面防水涂料、环氧防水防腐涂料、耐氢氟酸防腐涂料、弹性树脂砂浆、改性聚氨酯混凝土、防腐结构胶、EP100高分子砂浆、弹性环氧胶泥、HFVC浓缩剂、弹性聚氨酯耐酸碱防腐、改性聚氨酯防腐涂料
- 主营：二氧化硅、乳化剂、消泡剂、丙烯酸乳液、分散剂、润湿剂、增稠剂、树脂、抗氧剂、杀菌防腐防霉剂、uv单体
- 主营：灌浆料、道路路面修补料、注浆料、水泥基渗透结晶防水涂料、防腐砂浆、丙乳砂浆、聚合物防水砂浆、不发火混凝土、桥梁伸缩缝修补料、道钉锚固剂、防碳化涂料、混凝土色差修补剂、混凝土防腐剂、钢筋阻锈防腐剂、混凝土抗渗剂、聚合物防水防腐涂料