Solvent-Based Acrylic Sealer

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Definition - What does Solvent-Based Acrylic Sealer mean?

Solvent-based acrylic sealers are a type of widely-used sealer on concrete driveways, paths and pool-surrounds to protect and increase the surface and color of the concrete. This type of sealer contains a higher level of VOCs than water-based acrylic sealers. It can act as a protective top coat for concrete. It can also be used to improve the aesthetics. It provides chemical and stain resistance to concrete.

Solvent-based acrylic sealer is ideal for surfaces that are frequently affected by high wear because of its chemical and abrasion resistance.

Corrosionpedia explains Solvent-Based Acrylic Sealer

Acrylic sealers come in two types: solvent-based (normally high VOC) and water-based (contains low VOC). The sealers are used after curing concrete. Acrylic sealers have the capability to protect the concrete from wear and tear. This sealer is also resistant to gasoline and oil from automobiles. It could also protect concrete from yard fertilizers and rock salt.

In a solvent-based sealer, both the polymer and solvent form a continuous, clear polymer solution. The polymer chains become closer and eventually entangle after the evaporation of solvent from this solution. Since the polymer remains on the surface of concrete, it makes the concrete surface glossier.

Solvent-based sealers are more suitable for exterior surfaces and less suitable for interior surfaces to form a thin, protective film. This film offers good protection against water and chloride intrusion, and allows escaping moisture to remain in the slab. These sealers are non-yellowing and UV-resistant, and found in a wide range of sheen levels. Solvent-based acrylics outperform water-based products for outdoor use and the enhancement of color.

Solvent-based acrylic sealer contains more VOCs than other sealers; therefore, it is less environmentally friendly and more of an environmental concern. It also produces a stronger odor, which causes environmental pollution, and is not recommended for indoor applications. Considering these factors, solvent-based acrylic sealers are not a good choice for use in low-ventilation spaces.

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