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Why Xypex for Marine Structures
May 11, 2020
Meeting the Challenge
Protecting Marine Structures
Reinforced concrete marine structures are constantly under attack by the destructive effects of moisture and chloride-induced corrosion. Without proper protection, the structural integrity of a marine structure is soon compromised, leading to expensive remediation efforts and a shortened life span. Once the moisture and chlorides have reached the reinforcing steel, an expansive oxidation process begins to take place causing the formation of cracks and spalling in the concrete. When cracking takes place and is combined with weathering effects such as freeze/thaw damage or accelerated corrosion in hot weather climates, this deterioration takes place at a faster pace.
Read next: The Structures - The Problems
The Permanent Solution
Xypex Crystalline Technology
Xypex products use the natural porosity of concrete and chemical diffusion to penetrate its pores and capillaries. Inside the concrete, Xypex chemicals react with un-hydrated cement particles and the by-products of cement hydration to form a non-soluble crystalline structure deep within the substrate. In this condition, the concrete becomes impermeable, preventing the penetration of liquids and chemicals from any direction even under extreme hydrostatic pressure. The chemical resistant properties of the crystalline structure will mitigate the attack of chlorides and sulfates. In prolonging the durability of concrete, Xypex has also proven to be effective against the effects of carbonation and Alkali Aggregate Reaction as well as having the ability to self-heal static cracks up to 0.4 mm (1/64”). Xypex also improves the freeze-thaw durability of concrete.
Xypex Crystalline Technology works inside the concrete, thereby avoiding the problems typical of traditional barrier products.
- Permanent and reactivates whenever water is present
- Protects against chlorides
- Self-heals static cracks up to 0.4 mm (1/64“)
- Protects against sulphate attack and Alkali Aggregate Reaction (AAR)
- Reduces the rate of carbonation
- Not subject to deterioration problems encountered by surface coatings and membranes
Proven Performance Worldwide
Comprehensive quality systems and standards along with thorough testing in the lab and the field have resulted in Xypex’s highly respected position in the concrete industry. Xypex has been extensively tested by independent testing laboratories in the U.S., Canada, Australia, Japan, Europe and other countries.
Read next: The Right Products
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Company: 
Xypex Chemical Corporation
Product: Additive > Xypex Admix C-Series
Source: https://xypex.com/projects/marine-structures/why-xypex/
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