EipponCell HPMC YB510M is a medium viscosity cellulose ether. The process of cellulose ether production involves the use of refined cotton/cotton pulp/wood pulp as the primary raw material, which is alkalineized to obtain cellulose. Subsequently, propylene oxide and methyl chloride were added for etherification, resulting in the formation of cellulose ether. Known as the “industrial monosodium glutamate,” cellulose ether boasts exceptional properties, including solution thickening, excellent water solubility, suspension or latex stability, film forming capability, water retention, and adhesion.

In the case of EipponCell HPMC YB510M, it specifically serves as hydroxypropyl methyl cellulose used in water-based paints and paint removers. This cellulose ether provides valuable benefits in these applications. It aids in thickening the paint solution, ensuring proper consistency and enhanced coverage during application. In addition, it exhibits good water solubility, allowing for easy mixing and preparation of water-based paints. Cellulose ether also helps with suspension stability, preventing pigments from settling and ensuring a uniform distribution throughout the paint. And, it aids in the formation of a durable film on the painted surface, enhancing the longevity and protection of the paint.

Furthermore, EipponCell HPMC YB510M demonstrates excellent water retention, keeping the paint solution in a workable state for an extended period, reducing the risk of drying or skinning. It also provides adhesion properties, promoting strong bonding between the painted surface and the paint film, resulting in improved durability and resistance to peeling or flaking.

Where to buy Cas HPMC YB 510M

Product Detail

Product Tags

Specification of HPMC YB510M

Chemical name Hydroxypropyl Methyl Cellulose
Synonym Cellulose ether; Hypromellose; Cellulose, 2-hydroxypropyl methyl ether; Hydroxypropyl methyl cellulose; HPMC; MHPC
CAS number 9004-65-3
EC Number 618-389-6
Brand EipponCell
Product Grade HPMC YB 510M
Solubility Water Soluble Cellulose Ether
Physical form White to off-white cellulose powder
Methoxy 19.0-24.0%
Hydroxypropoxy 4.0-12.0%
Moisture Max.6%
PH 4.0-8.0
Viscosity Brookfield 2% solution 8000-12000 mPa.s
Viscosity NDJ 2% solution 8000-12000 mPa.S
Ash content Max5.0%
Mesh size 99% pass 100 mesh

Application of HPMC YB 510M

EipponCell HPMC YB 510M can be utilized in water-based paint and paint removers. Paint removers are substances, either solvents or pastes, designed to dissolve or swell coating films. They consist chiefly of strong solvents, paraffin, cellulose ether, among other ingredients.

In shipbuilding, various mechanical methods such as hand shoveling, shot blasting, sandblasting, high-pressure water, and abrasive jets are commonly employed to remove old coatings. ​However, when dealing with aluminum hulls, these mechanical methods can potentially scratch the aluminum surface. Consequently, sandpaper polishing and paint remover are often used as the primary means of removing old paint film.. Compared to sanding, using a paint remover offers advantages in terms of safety, environmental friendliness and efficiency.

Benefits of using paint remover include high efficiency, room temperature use, minimal corrosion to metals, simple application, and no need for additional equipment.. However, it is important to note that certain paint removers can be toxic, volatile, flammable and costly.. The development of new paint remover products, including water-based alternatives, has been on the rise in recent years.. These advances have resulted in improved paint removal efficiency and enhanced environmental performance.. Non-toxic, low-toxic and non-flammable products have gradually become more prevalent in the paint remover market.

Principle of paint stripping

The primary mechanism of paint remover relies on the utilization of organic solvents to dissolve and swell various types of coating films, thereby facilitating the removal of old paint layers from the substrate surface. When the paint remover penetrates the gaps between the polymer chains inside the coating, it initiates polymer swelling. As a result, the volume of the coated film increases, leading to a reduction in the internal stress generated by the expanding polymer. Eventually, this weakening of the internal stress disrupts the adhesion between the coated film and the substrate.

As the paint remover continues to act on the coated film, it progresses from localized swelling to broad sheet swelling. ​This results in the formation of wrinkles within the coated film and ultimately completely undermines its adhesion to the substrate.. Eventually, the coated membrane becomes compromised to the point where it can be effectively stripped from the surface.

Through this process, the organic solvent in the paint remover effectively breaks the chemical bonds within the coating film, weakening its structural integrity and creating the conditions for its removal.. This mechanism allows for the efficient elimination of old paint layers, facilitating surface preparation for repainting or other applications.

Classification of paint remover

Paint strippers can be classified into two main types based on the type of film-forming material they remove. The first type utilizes organic solvents such as ketones, benzenes, and volatilization retarder paraffin (commonly known as white lotion). These paint removers are primarily used to remove old paint films made of oil-based, alkyd-based, or nitro-based paints. They are typically formulated with volatile organic solvents, which can present flammability and toxicity issues. However, they are relatively inexpensive.

The second type of paint remover is a chlorinated hydrocarbon formulation, which consists primarily of dichloromethane, paraffin, and cellulose ether. ​This type is often referred to as a flush paint remover.. It is primarily used to remove cured old coatings such as epoxy asphalt, polyurethane, epoxy polyethylene, or amino alkyd resins.. This type of paint remover offers high paint removal efficiency, low toxicity, and a wide range of applications.

Paint removers containing dichloromethane as the primary solvent can also be further classified based on pH values.. It is divided into neutral paint removers with a pH value of approximately 7±1, alkaline paint removers with a pH value above 7, and acidic paint removers with a lower pH value.

These different types of paint removers offer options for effectively removing specific types of paint films, offering varying levels of toxicity, efficiency, and suitability for application.. It is essential to select an appropriate paint remover based on the specific coating to be removed and the desired safety and performance requirements.

Documents of HPMC YB 510M

Recommended HPMC for Building & Construction

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