YUEYANG CHEM WATERBORNE ADDITIVE CO., LTD. was established in 2010. It specializes in the R&D, production and sales of environmentally friendly additives. The company has a number of invention patents with independent intellectual property rights, and is one of the major manufacturers and suppliers of SMA resin in the world. Our SMA resin has many varieties and wide uses, including SMA base resin, ester modified SMA resin, imidized SMA resin, high water soluble SMA resin, extinction type SMA resin, high water resistant SMA resin, low foaming SMA resin, SMA resin for dispersant, high molecular weight SMA resin, low molecular weight SMA resin, SMA resin for varnish, SMA resin for glass fiber, etc.
Why Choose Us?
Advanced Equipment
In order to ensure product quality, the company is equipped with advanced testing instruments, including Agilent 5890 gas chromatograph and gas phase-linked mass spectrometer, Mettler-Toledo acidity meter, and German SITA dynamic surface tension meter.
Broad Market
CHEM-ADDITIVE has established a good corporate image among domestic and foreign customers, focusing on the Chinese market, with a sales network all over the world, and its products are exported to the European Union, East Asia and the Americas.
Complete Qualifications
The company has passed the international ISO9001:2015 quality management system certification and IS014001:2015 environmental management system certification, as well as the EU chemical industry's joint efforts to achieve sustainable development Tfs certification, 16949 automotive industry quality management system and reach registration.
Customized Service
Unique formulas require the combination of different additives. CHEM-ADDITIVE's strong R&D system can help customers develop some new-structured surfactants, defoaming agents, dispersants and special additives to meet the special requirements of customers in market segments.
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SMA Base ResinSMA base resin is a copolymer made from styrene and maleic anhydride, widely used in coatings, adhesives, plastics, and other industrial applications. It offers exceptional chemical stability, weather resistance, and adhesion properties,read more
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Ester Modified SMA ResinEsterified modified SMA resin is a product derived from the esterification of traditional SMA base resin. This modification introduces ester groups into the resin, improving its performance and expanding its range of applications.read more
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Imidized SMA ResinImidized SMA resin is a product derived from the imidization of traditional SMA base resin. This modification introduces imide groups, enhancing the resin's thermal stability and mechanical properties.read more
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High Acid Value SMA ResinHigh acid value SMA resin is a modified SMA (styrene-maleic anhydride) resin with a high acid value. The acid value indicates the number of milligrams of acid present per gram of sample, reflecting the quantity of acidic functional groupsread more
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High Glass Transition Temperature SMA ResinHigh glass transition temperature (Tg) SMA resin is a modified SMA (styrene-maleic anhydride) resin with a high Tg. The glass transition temperature indicates the temperature at which the material transitions from a glassy state to aread more
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Extinction Type SMA ResinMatte SMA (styrene-maleic anhydride) resin is a type of SMA resin designed to produce a matte finish, which reduces the glossiness of the coating surface.read more
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High Gloss Type SMA ResinGlossy SMA resins are modified polymers designed to achieve excellent gloss and brightness. They are primarily used in coatings and finishing materials to provide a durable glossy finish, enhancing the visual appeal and performance of theread more
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High Water Soluble SMA ResinHigh water-soluble SMA resins are modified polymers designed for excellent solubility in water, used in water-based coatings and adhesives to provide superior solubility and dispersion.read more
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High Water Resistant SMA ResinHigh water-resistant SMA resins are modified polymers designed for superior water resistance, particularly used in coatings and adhesives that require resistance to moisture and water.read more
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Low Foaming SMA ResinLow foaming SMA resins are modified polymers specifically designed to reduce foam formation. They effectively control and minimize foam generation in coatings and adhesives, improving the uniformity and appearance of the applied coatings.read more
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High Melting Point SMA ResinHigh melting point SMA (Styrene-Maleic Anhydride) resin is a polymer designed with high melting point characteristics for applications requiring high thermal stability.read more
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High Hardness SMA ResinHigh hardness SMA (Styrene-Maleic Anhydride) resin is a polymer designed with high hardness characteristics for applications requiring material hardness and abrasion resistance.read more

SMA resins are effective additives in plastic compounds, serving as coupling agents for fillers, dispersing agents for pigments and compatibilizers for blends of dissimilar thermoplastics. All SMA resins are available in powder and flake forms.
Specifications of SMA Resin
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Physical Appearance |
Creamish free flowing fine powder. |
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Chemical composition |
Co-polymer of Styrene & Maleic Anyhydride in the ratio of 1 : 1. |
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Softening Range |
>180°C to 200°C. |
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Acid No. |
460 to 480. |
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Viscosity of 10% solution in Mek at 30°C |
1.5 to 2 CPS. |
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Solubility |
Readily soluble in acetone, pyridine. |
Types of SMA Resin




SMA Resin for High Frequency Copper Plate:
SMA (Styrene-Maleic Anhydride) resin for high-frequency copper-clad boards is specifically designed for high-frequency circuit boards. This resin offers excellent dielectric properties and thermal stability, enhancing the electrical performance and durability of copper-clad boards in high-frequency signal transmission and high-temperature environments.
SMA Base Resin:
SMA base resin is a copolymer made from styrene and maleic anhydride, widely used in coatings, adhesives, plastics, and other industrial applications. It offers exceptional chemical stability, weather resistance, and adhesion properties, making it a key ingredient in many high-performance products.
Imidized SMA Resin:
Imidized SMA resin is a product derived from the imidization of traditional SMA base resin. This modification introduces imide groups, enhancing the resin's thermal stability and mechanical properties.
High Water Soluble SMA Resin:
High water-soluble SMA resins are modified polymers designed for excellent solubility in water, used in water-based coatings and adhesives to provide superior solubility and dispersion.
High Gloss Type SMA Resin:
Glossy SMA resins are modified polymers designed to achieve excellent gloss and brightness. They are primarily used in coatings and finishing materials to provide a durable glossy finish, enhancing the visual appeal and performance of the products.
Low Foaming SMA Resin:
Low foaming SMA resins are modified polymers specifically designed to reduce foam formation. They effectively control and minimize foam generation in coatings and adhesives, improving the uniformity and appearance of the applied coatings.
High Hardness SMA Resin:
High hardness SMA (Styrene-Maleic Anhydride) resin is a polymer designed with high hardness characteristics for applications requiring material hardness and abrasion resistance.
Low Molecular Weight SMA Resin:
Low molecular weight SMA (Styrene-Maleic Anhydride) resin is a polymer with lower molecular weight. Compared to high molecular weight SMA resins, it has shorter molecular chains, which provides excellent processing performance and solubility, making it suitable for specific applications.
●High glass transition temperature and softening point.
●Alkali solubility, high gloss.
●A complete range of HLB values (S:MA ratio, vinegar type).
●Good compatibility with various emulsion systems and surfactants.
●Strong water solubility to high water resistance series selection.
●Reactivity - acid crisp, acid.

Application Scope of SMA Resin

Adhesive
SMA resin is made to be used as an adhesive to bond materials such as concrete, wood, metal, glass, and stone. However, when the temperature is above 177 °F , its adhesion ability is no longer strong.

Coating
SMA resin is also used as a surface coating for enhanced durability and protection against chemicals, water and abrasion. A thin epoxy coating can protect ships from corrosion, water absorption or help floors become shiny, smooth and limit breakage.

Manufacturing
With strong bonding and light weight, SMA resin is used to make aircraft parts, molds, castings, furniture... It is also commonly used in the production of electrical industry thanks to its insulating properties such as making motors, generators, insulating covers and printed wiring boards.

Craft and Art
The ability to create crystal-clear surfaces and glossy coatings makes SMA resin perfect for creating resin artwork, jewelry, and decorative pieces.

●Store in well-ventilated and cleanable areas only.
●Store in a cool, dry place.
●Avoid prolonged storage in direct sunlight or elevated temperature/ humidity since this can speed up the alteration of the product.
●Take precautionary measures against static discharges.
Protective gloves
You'll want to choose gloves that are resistant to chemicals and comfortable to wear so you don't feel restricted.
Eye protection
Remember to wear safety goggles to protect your eyes from accidental splashes or spills.
Respirator mask
Wear a respirator mask to protect your lungs from fumes and vapours. Breathing in the fumes could be dangerous to your health, so don't take any chances and ensure you're protected.
Wear a long-sleeved top and an overall or apron
Don't use alcohol or things like acetone on your skin, as this can irritate the area further and be absorbed into the body.
Keeping children and pets away from your work area
Resin is not something you want them to come in contact with, so it's better to be safe than sorry.
Don't eat or drink while working with resin
You don't want to ingest any of it accidentally!
Finally, dispose of unused or leftover resin responsibly
Don't just throw it away or pour it down the drain, that can harm the environment.
FAQ
As one of the leading sma resin manufacturers and suppliers in China, we warmly welcome you to buy cheap sma resin for sale here from our factory. For free sample, contact us now.
Extinction Type SMA Resin, High Melting Point SMA Resin, High Acid Value SMA Resin-
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