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| Name | Exterior view | Chemical composition | Complex carrier | Characteristics |
|---|---|---|---|---|
| First OBSH-75 |  |
Chemical composition: 4,4-Dioxobis(benzenesulfonhydrazide) | Complex carrier: EPDM | Characteristics: Commonly used organic foaming agents for rubber; suitable for medium- and low-temperature foam-forming processes without accelerators. Decomposition occurs at 158°C, with a gas yield of 93.0–105.0 ml/g. It is easy to weigh, readily dispersible, does not fly during use, leaves no pollution, and maintains its color integrity. |
| First EWE-60 |  |
Chemical composition: Microsphere Physical Blowing Agent | Complex carrier: EPDM/EVM | Characteristics: As a high-end foaming agent used in various synthetic rubber products, it significantly improves the specific gravity of the finished items. Compared to chemical foaming agents, products made with this agent exhibit superior retention of key physical and mechanical properties—such as hardness, tensile strength, tear resistance, and elongation—making it ideal for a wide range of plastic and rubber applications, particularly in window and door sealing strips. These products are lightweight yet deliver outstanding sealing performance. |
| First PEG-4000 |  |
Chemical composition: Polyethylene glycol | Complex carrier: / | Characteristics: White filler activator (especially white smoke), enhances the tensile strength of the product while reducing compression deformation. It neutralizes hydroxyl groups in the filler, improving surface activity and ensuring better dispersion of white smoke within the rubber compound. Additionally, it boosts microwave vulcanization efficiency in products cured via this method, and helps with demolding, leading to improved surface smoothness and evenness. |
| First AW-560 |  |
Chemical composition: Advanced alcohol amine derivatives | Complex carrier: / | Characteristics: White filler activator that neutralizes hydroxyl groups in light-colored fillers (especially white carbon black), enhancing surface activity and improving the dispersion of white carbon black within the rubber compound. It also boosts the tensile strength of the compound and reduces shrinkage in rubber products. Additionally, it can replace part or all of PEG-4000 in rubber formulations, helping to lower costs. This product is ideal for use in rubber products such as outsoles, hoses, tapes, and other light-colored applications. |
| First ZnO-N75GE |  |
Chemical composition: 75% nano-zinc + 25% EPDM | Complex carrier: EPDM/SBR | Characteristics: Inorganic activators for natural and synthetic rubber; featuring nanoscale powder particle size, high specific surface area, and exceptional activity, these additives require minimal usage while effectively replacing conventional zinc oxide—thus helping to reduce both costs and product weight. Additionally, the resulting products exhibit excellent transparency, making them a viable alternative to basic zinc carbonate (transparent zinc) in applications requiring clear rubber formulations. |
| First ZnO-T75GE |  |
Chemical composition: 75% transparent zinc oxide + 25% EPDM | Complex carrier: EPDM/SBR | Characteristics: Inorganic activators for natural and synthetic rubbers sometimes replace zinc oxide; these sulfurized rubbers exhibit a light color, high transparency, and excellent solubility, allowing for their extensive use. Compared to conventional zinc oxide, they provide a stronger hardening effect within the rubber compound, making them ideal for transparent or semi-transparent rubber products—such as footwear materials, elastic rubbers, and brightly colored or pastel-hued everyday items like household goods. |
| First ZnO-H80GE |  |
Chemical composition: 80% Active Zinc Oxide + 20% EPDM | Complex carrier: EPDM/SBR | Characteristics: Inorganic activators for natural and synthetic rubbers are easily dispersible and weighable, allowing for high-volume use. They enhance the viscosity of rubber compounds, improving shape stability in extruded and freely vulcanized products, as well as boosting the mechanical properties of vulcanized rubber. These activators are ideal for a wide range of rubber products, including tires, hoses, belts, and footwear. |
| First ZnO-A80GE |  |
Chemical composition: 80% Grade A Zinc Oxide + 20% EPDM | Complex carrier: EPDM | Characteristics: Inorganic activators, reinforcing agents, heat conductors, and colorants for both natural and synthetic rubbers—also suitable as vulcanizing agents for chloroprene rubber when used in combination with magnesium oxide to enhance scorch resistance—are known to activate accelerators such as thiazoles, sulfonamides, guanidines, and thiurams. This product is easy to handle and disperses quickly. |
| First TCY-70 |  |
Chemical composition: Thiocyano-triazine | Complex carrier: EPDM/AEM | Characteristics: Widely used as a vulcanizing agent for acrylate and other chlorine-containing rubbers, as well as natural rubber and rubber-plastic blends (such as NBR/PVC) materials; it offers fast curing speeds, excellent scorch safety, and helps reduce overall vulcanization time—eliminating the need for secondary vulcanization. The resulting vulcanized rubber exhibits outstanding physical and mechanical properties, along with exceptional resistance to oil, heat, and compression set. Additionally, it enhances the aging resistance of diene-based rubber products and acts as an effective promoter for strong adhesion between polymers and metals. Notably, it also serves as a reliable inhibitor of copper-related damage. |
| First HMDC-75 |  |
Chemical composition: Hexamethylene diamine carbamate | Complex carrier: EPDM/AEM | Characteristics: Primarily used as a vulcanizing agent for fluororubber, ethylene acrylic rubber, and polyurethane adhesives, it also serves as a modifier for synthetic rubbers and an active vulcanizing agent for natural rubber, butyl rubber, isoprene rubber, and styrene-butadiene rubber. After application, it helps maintain the original vibrant color of rubber products. Additionally, it acts as a crosslinking agent for AEM (VAMAC), dispersing easily within AEM formulations and ensuring consistent product quality. The commonly used vulcanization system for AEM compounds involves combining HMDC with either DOTG or DPG. |
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