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Repair Mortar
Repair mortar is a high-performance material designed to restore concrete structures. It primarily uses a blend of fast-setting cement (calcium aluminate or sulfoaluminate) and Portland cement to balance early strength development and long-term durability. Combined with carefully graded aggregates, polymer powders, and functional additives, it provides high strength, good adhesion, crack resistance, and rapid curing, making it suitable for repairing bridges, industrial buildings, roads, and other concrete structures.
Repair Mortar Products from SUNBO

Superplasticizer in Repair Mortar
In repair mortar, superplasticizers significantly reduce the water/cement ratio, improving workability. It can prove surface strength of repair mortar and prevent surface dusting.

Defoamer in Repair Mortar
During mixing, repair mortar can entrain a significant amount of air. It will reduce strength and cause surface defects. Defoaming agents suppress foam formation and quickly break entrapped air, improving density, strength, and surface smoothness.

Suspension Stabilizers for Repair Mortar
Suspended stabilizers can improve the stability of the slurry and avoid bleeding and segregation.
Why Choose SUNBO as Repair Mortar Additives Supplier?

High-Performance Products, Consistent Quality
SUNBO additives for repair mortar, featuring superplasticizers, defoamers, and suspension stabilizers, are scientifically formulated to optimize water reduction, enhance strength and durability, and ensure excellent workability, suspension stability, and surface finish. The open-to-traffic time can be tailored to project requirements, while compliance with EN 1504-3 (Europe) and ASTM C928 / C1107 with ACI 562 guidelines (North America) ensures global applicability. Powered by SUNBO additives, SUNBO provides a complete, high-performance, and reliable solution for concrete repair.

SUNBO – From Source to Success, Quality at Every Step
At SUNBO, reliability and superior quality define everything we do in PCE, Gypsum Retarders, SMF, Defoamers, Stabilizers production. Certified to ISO 9001 and EU REACH standards, we go beyond industry requirements to deliver excellence. With every batch, we guarantee only the best and most reliable materials for our customers.

Strong R&D Capabilities and Elite Technical Team
Your needs are our priority. With two state-of-the-art laboratories, SUNBO offers customized solutions, expert technical guidance, and ongoing product innovation. Whether it’s fine-tuning performance for your application or developing entirely new formulations, we deliver the know-how and creativity that keep your business ahead.

Delivery Guarantee – Any Order Size, Every Time
We understand that timing is critical. That’s why SUNBO ensures fast, dependable delivery for orders of any size. With an annual production capacity of 100,000 tons and expansive warehouse space, we can fulfil even large-scale requirements without delay.
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+86 137 7191 2518
Xinhua Industrial Park, Wangting Town, Xiangcheng Dist, Suzhou City, Jiangsu, China.
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