A-1 (70%) is mainly used in the production of polyurethane high resilience foam, semi-rigid foam and low density foamplastics; solution of 70% of bis(2-dimethylaminoethyl) ether and 30% of dipropylene glycol, suitable for various foamingequipment. lmportant characteristics: water soluble, easy to measure, low usage.

 HGD-8209H is mainly used for foaming production of polyurethane sot foam, automobile manufacturing, high-endmattresses, memory pilows and products in direct contact with human skin; it is the second generation new non-dispersedfoaming catalyst, it is suitable for a variety of foaming equipment. lmportant characteristics: high stability in mass production;no emissions of amine catalysts and organic compound, non-polymerization polyethylene plastic contamination; non-volatlecatalyst with good compatibility with other commonly used polyurethane catalysts and additives; it forms a chemical bondwith the polyurethane foam matrix, and maintains the foam performance of methylene diphenyl diisocyanate (lMDl) ortoluene diisocyanate (TDl) system.

HGDF-10 is mainly used in the production of polyurethane soft foam, semi-rigid foam and ricid foam, and is suitable forall kinds of foaming equipment. lmportant characteristics: high activity; very low odor, low atomization.

HGDV-33 is mainly used for the production of high resilience foam, vehicle seats, motorcycle cushions, high resiliencetoys, self-skinning foam, handralls, steering wheels, polyurethane soft foam; it is low odor gel type catalyst; applicable toall kinds of foaming equipment. lmportant characteristics: it can improve the resilience of foam, which is obvious in the fulwater self-skinning; it can improve the surface curing and enhance quality of the product skin; it can address the issue offoam swelling and poor resilience.

Catalyst Name	Product Introduction	Performance and Characteristics
Catalyst DMEA	In polyurethane foam, DMEA is both an auxiliary catalyst and a reactive catalyst, which can be used in the formulations of polyurethane flexible foam and rigid foam. There is a hydroxyl group in its molecule that can react with isocyanate groups, making it a low - VOC and low - atomization catalyst.	It has very low catalytic activity and minimal impact on foam rise and gelation reactions. However, it is highly alkaline and can effectively neutralize trace acids in the foaming components, protecting other organic amines in the system. It is relatively inexpensive and shows significant effects when used in combination with triethylenediamine,it is especially beneficial. With a low concentration of triethylenediamine, the desired reaction rate can be achieved.
Catalyst A-1(70%)	A highly active polyurethane catalyst, widely used in the production of all types of foam plastics. It is especially suitable for flexible foam plastics that require high breathability and have difficult - to - process foam structures. It can also be used in the three - component centrifugal foaming process,where its strong catalytic effect enables rapid formation and curing of elastomers.	It is mainly used in the production of high-resilience polyurethane foam, semi-rigid foam, and low-density foam. It is suitable for various foaming equipment, highly water-soluble, easy to measure, and requires minimal usage.
Catalyst H-10	A highly active polyurethane catalyst, widely used in the production of all types of foam plastics. It is particularly suitable for flexible foam plastics with high breathability and difficult to process.	The catalyst is water-soluble, easy to measure, and has a strong catalytic effect on the reaction between water and isocyanates. It also helps balance the reaction between polyols and isocyanates. By adjusting the dosage, it can control foam rise and gelation time without affecting the operational range of tin catalysts. This minimizes the density gradient of the entire foam block and the compression set of model foams.
Catalyst H2091B	Catalyst H2091B is a reactive, environmentally friendly catalyst, recommended for use in the foaming of high-end sponge products, such as mattresses, pillows, and automotive seats, which are skin-friendly (home use). Its unique molecular structure not only effectively eliminates amine odors from reaction residues but also reacts with harmful substances such as formaldehyde and acetaldehyde, greatly reducing the excessive residuals of these harmful substances. It provides an eco-friendly solution for home foam products.	Catalyst H2091B can completely replace the traditional catalyst A33. Its unique molecular structure allows it to fully react with aldehydes, and it reacts completely with isocyanates, solving the problem of amine odor residue.
Catalyst HGD-204	Catalyst HGD-204 is a liquid compounded tertiary amine gel catalyst that promotes the reaction between isocyanates and polyols, leading to foam crosslinking and providing soft polyurethane foam with good mechanical properties. It is suitable for the production of polyurethane flexible foam, particularly for medium to low-density foams, and is compatible with various foaming equipment.	Catalyst HGD-204 helps maintain the final foam height, preventing excessive collapse, while preserving the foam’s open-cell structure. It can significantly reduce cracking during the foam production process. A unique advantage is its ability to assist in foam curing, making the production process easier and reducing the adhesion of paper during machine foaming.
Catalyst HGD-230	Catalyst HGD-230 is a compounded tertiary amine catalyst with low odor, balanced gelation, and catalysis effects. It is suitable for the production of low to medium-density foam products, specifically designed for formulations containing traditional blowing agents or other auxiliary blowing agents that stabilize foam, offering strong catalysis efficiency.	Catalyst HGD-230 can optimize density distribution and improve foam yield. It provides the foam with excellent tactile feel and comfort, while also reducing foam odor to achieve its optimal state.
Catalyst HGD-310H	Catalyst HGD-310H is a low-odor, low-fogging reactive catalyst. The foam produced with this product is free from amine odors, making it more environmentally friendly. It is widely used in high-end furniture products such as slow-rebound foam pillows, which have strict odor requirements. The catalyst offers high catalytic efficiency and excellent foaming performance.	It is a low-odor, low-fogging reactive catalyst. The products produced are environmentally friendly and free from amine odors. It is widely applied in high-end furniture products, especially slow-rebound foam pillows, where odor control is a critical requirement.
Catalyst HGD-8154	Catalyst HGD-8154 is a delayed-type catalyst specially designed for automotive seat molding production. Compared to traditional delayed catalysts like A300, it offers a longer delay effect. The foam products produced have a fine skin texture and high foam stability. It provides sufficient openning time for large mold products, and its unique delayed agent prevents corrosion of the pouring gun nozzle, thereby extending the equipment’s lifespan.	It extends the cream time, improves flowability, and ensures even distribution of the foaming mixture in the mold cavity. It is suitable for both all-MDI formulations and MDI/TDI mixed formulations. The physical properties of the foam products remain stable over time without degradation. It has low corrosiveness and does not damage low-carbon steel components (such as nozzles).
Catalyst HGD-8209H	Catalyst HGD-8209H is a second-generation non-volatile blowing catalyst that can be incorporated into the polyurethane molecular structure. It significantly reduces the amine volatility and fogging of the products. It is primarily used in the production of polyurethane flexible foams for automotive seats, high-end mattresses, pillow cores, or other products that come into direct contact with human skin.	This catalyst is designed for use in automotive seat manufacturing, high-end mattresses, pillow cores, and other polyurethane soft foams that come into direct contact with skin. It is a second-generation non-volatile foaming catalyst, suitable for use with various foaming equipment.
Catalyst HGD-9727	Catalyst HGD-9727 is a highly active compounded gel tertiary amine catalyst that accelerates the reaction between isocyanates and polyols, facilitating foam crosslinking and providing good mechanical properties to flexible polyurethane foam. It is particularly suitable for the production of polyurethane flexible foams, especially medium- and low-density foams. This catalyst has strong catalytic effects and can be used in combination with amine catalysts like A-33, while also improving tolerance to tin.	It helps maintain the final height of the foam, preventing excessive foam collapse while retaining the foam's open-cell structure. It significantly reduces cracking during foam production. A unique advantage is its ability to help foam cure quickly, reducing foam adhesion to paper during the foaming process.
Catalyst HGDA-1(99%)	Catalyst HGDA-1(99%) is an important polyurethane catalyst with high catalytic activity and selectivity for the foaming reaction. It can be used in the production of flexible polyether-based polyurethane foams, as well as in rigid foam systems. It contributes approximately 80% to controlling the foaming reaction and 20% to controlling the gel reaction. Catalyst HGDA-1(99%) has a very strong catalytic effect, and is typically used after being diluted with propylene glycol. It can also be used in combination with other reactive, low-odor catalysts like DPA and NE210, achieving both strong catalytic effects and lower odor in the foam products.	Widely used in various polyurethane foam formulations, it is especially suitable for the production of high-resilience, rigid (semi-rigid), low-density foams, and elastomers. It has a broad application range, high operational tolerance, and ensures stable foaming.
Catalyst HGDA-33	Catalyst HGDA-33 is a highly active tertiary amine liquid catalyst containing 33% triethylene diamine. This catalyst promotes the reaction between isocyanates and polyols, facilitating foam crosslinking and providing flexible polyurethane foams with excellent mechanical properties. When used in combination with Catalyst HGDA-1, it enables the optimal performance of Catalyst HGDA-33.	Mainly used in the production of polyurethane foams, it is suitable for various foaming equipment. It has high activity, promoting the reaction between isocyanates and polyols, leading to better foam crosslinking.
Catalyst HGDA-300	Catalyst HGDA-300 is a delayed gel catalyst, specifically recommended for the production of automotive seat cushions and backrests in polyurethane molding. It can maintain the stability of the foaming formulation, resulting in foam products with good open-cell structure that do not collapse. The catalyst extends the cream time, solves the problem of increased viscosity during early casting, and significantly improves the flowability of the system.	This delayed gel catalyst extends the cream time, improves system flowability, and is specially designed for the polyurethane molding production of automotive seat cushions and backrests, enhancing open-cell performance.
Catalyst HGDA-400	Catalyst HGDA-400 is a dual ether-modified gel-type delayed catalyst, suitable for molding polyurethane foam. It is a water-soluble tertiary amine catalyst with a delayed catalytic effect, specifically designed for the production of automotive seat cushions and pillow cores. It can be mixed with water or polyether polyols for metering and is effective in extending pouring time and improving the open-cell foam structure. Additionally, this catalyst features low odor and low residual characteristics, significantly reducing the amine catalyst odor residue in foam products.	It has a delayed catalytic effect, extending the cream time. The catalyst is low odor, low residue, and is especially suitable for complex applications requiring extended pouring times. It has a weaker corrosion effect on low-carbon steel.
Catalyst HGDC-225	Catalyst HGDC-225 is an amine catalyst designed for fast demolding high resilience foam products. This catalyst can delay the blowing time during the early stage of foam pouring, improve the fluidity of the poured liquid, provide a fast reaction in the middle stage, and assist in quick curing in the later stage, forming a "slow at the beginning, fast in the middle, stable at the end" catalytic effect. It has significant advantages in pouring large molds, complex groove molds, and fast demolding processes. It is the best catalyst for rotary production lines.	Mainly used in the production of fast-demolding, high-resilience polyurethane products, it is a delayed catalysis and crosslinking balance catalyst. Suitable for TDI/MDI mixed systems, especially ideal for fast-cycle rotary production lines.
Catalyst HGD-DPA	Catalyst HGD-DPA is a low-odor, reactive strong gel catalyst with outstanding balance and versatility. It offers good fluidity and can completely replace traditional catalysts like A-33. It is mainly used in the molding of flexible foam and polyether-based polyurethane flexible foam.	With wide applicability, it is suitable for various foaming equipment and the production of high-end polyurethane flexible foams. As a reaction-type gel catalyst, it provides better gel balance compared to other catalysts.
Catalyst HGDF-10	Catalyst HGDF-10 is a highly active polyurethane catalyst widely used in the production of all types of foam. It is especially suited for the production of flexible foam with high gas permeability that are difficult to process.	It is primarily used in the foaming production of polyurethane flexible foams, semi-rigid foams, and rigid foams. Suitable for various foaming equipment, it features high activity, extremely low odor, and low atomization.
Catalyst HGDS-90	Catalyst HGDS-90 offers excellent foaming performance in polyurethane flexible block foams, high-resilience blocks, and slow-recovery foams. It has a wide tolerance for tin usage, maintaining excellent foaming gas flow, high activity, and requiring a minimal dosage.	Increases gas permeability and is compatible with other blowing agents. It enhances foam softness, improves the balance between foaming and gelation reactions, and offers better control over the foaming process.
Catalyst HGDV-33	Catalyst HGDV-33 is a classical gel-type catalyst designed to address issues like gas expansion and poor rebound in foam products, especially noticeable in full-water self-skin foams. It provides excellent open-cell structure and significantly reduces the need for blowing agents, thus lowering production costs for both extruded and non-extruded products.	Primarily used in the production of high-resilience foam, automotive seats, motorcycle saddles, high-resilience toys, self-skinning foam, armrests, steering wheels, and polyurethane soft foams. It is a low-odor gel-type catalyst, suitable for various foaming equipment.
Catalyst PC-10	Catalyst PC-10 is a compounded gel liquid high-activity tertiary amine catalyst that accelerates the reaction between isocyanates and polyols, promoting foam crosslinking and providing excellent mechanical properties. It is primarily used in the production of polyurethane flexible foams, especially for medium and low-density foams, and is compatible with various foaming equipment.	It maintains the final height of the foam, prevents significant foam collapse, and does not alter the foam's open-cell structure. It effectively reduces cracking during the foam production process. A unique advantage is that it helps foam cure quickly and reduces adhesion to paper during machine foaming, making machine production more efficient.