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What Water-based Concrete Release Agent

2023-11-03 12:00:17  Blog

What Water-based Concrete Release Agent

Release agents are needed during concrete production to prevent concrete from sticking to the formwork and to ensure easy removal of formwork without surface damage. It also enhances the appearance of the precast by minimizing the inconsistencies, such as blow/bug holes on the surface. A release agent is a liquid or powder used to prevent the adhesion of concrete to its formwork. Formwork, also called molds, is typically made of wood, steel, or plastic and creates the shape of a structure. “A release agent is a liquid or powder used to prevent the adhesion of concrete to its formwork” The release agent comprises the components in parts by mass: 100 pieces of aqueous emulsion and 1-10 slices of potassium methyl silicate or sodium methyl silicate, wherein a ratio of an oil phase (O) to a water phase (W) in the aqueous emulsion is 30:70-70:30. Most often they use some hydrocarbon solvents such as diesel fuel or kerosene, or isopropyl alcohol or mineral spirits. However, some oil-based release agents can be mixed with water and are VOC-compliant. The chemically active ingredient in the release agent—fatty acid, allows the formwork to be released from the concrete. Fatty acids can be obtained by modifying vegetable oils such as canola oil, sunflower oil, coconut oil, or soybean oil by separating them into glycerol and the fatty acids themselves. Because they are less e x p e n s i ve, used motor oils and in- d u s t rial waste oils are sometimes used as form release agents. They are generally not recommended cause they may contain sulfuric acid, which harms concrete and forms.


What is the difference between a sealer and a release agent?

Concrete release agents are a base fluid where the required additives are dissolved. The base fluid can be mineral oil or water. Petroleum oil has traditionally served as a base fluid for the active ingredients in solvent-based release agents. However, uncertain oil prices and increasing environmental concerns are why manufacturers are transitioning towards water-based release agents. Sealer- a material that seals tiny pores/holes so that liquid mold material cannot penetrate the surface. Sealers fall into three general categories: permanent, semi-permanent, and removable—release Agent– a coating that prevents liquid rubbers and resins from sticking to surfaces. Concrete release agents are a base fluid where the required additives are dissolved. This base fluid can be mineral oil with and without de-aromatized white spirit, ester/vegetable oil, or, in the case of emulsions, water. Fatty acids and esters are usually used as separating substances. Brush or spray into the mold. The concrete mold release agent is prepared by melting and liquefying rosin and paraffin in a particular proportion, adding a certain amount of sodium benzoate, and finally, naturally cooling the mixture.

How long can you leave release agent on concrete?

Once the release agent is applied, do not trowel the material into the concrete. Typically, this is a minimum of 24-48 hours after the stamping process. Silicone spray: Silicone spray is a famous release agent that is easy to apply and does not leave any residue. It can be used on various surfaces and is ideal for complex molds. c. Cooking spray: Cooking spray is a cost-effective release agent that can be used for small-scale epoxy resin projects. Concrete release agents are needed during concrete production to prevent the factual elements from sticking to the molds. Every release agent can be used to release the concrete, but not all concrete release agents give the same good results. It can even damage the quality of the concrete.

Price of Water-based Concrete Release Agent

Water-based Concrete Release Agent particle size and purity will affect the product's Price, and the purchase volume can also affect the cost of Water-based Concrete Release Agent. A large amount of large amount will be lower. The Price of Water-based Concrete Release Agent is on our company's official website.


Water-based Concrete Release Agent supplier

If you are looking for high-quality Water-based Concrete Release Agent, please feel free to contact us and send an inquiry. ( We accept payment via Credit Card, T/T, West Union, and Paypal. TRUNNANO will ship the goods to customers overseas through FedEx, DHL, by air, or by sea.

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  • Luoyang Tongrun Info Technology Co., Ltd. ( is the world's leading nanomaterial technology developer and application manufacturer, the company has more than 20 years of industry experience, after years of scientific research and production, has been professionals in lightweight concrete and foam concrete solutions. We can supply concrete foaming agents, superplasticizers, aerogels and foam concrete strength enhancers for lightweight concrete mix, CLC blocks all over the world, suitable for ordinary cement foamed concrete cast-in-place, block, plate, insulation wall, etc.