Daiwa Fine Chemicals Co., Ltd. List of Products and Services

It is a clean and environmentally friendly rust preventive agent for steel materials. - It is a vapor-phase rust preventive agent that suppresses rust simply by being included in the packaging container for storing steel parts. - It uses safe agents that do not require GHS classification pictograms, achieving excellent rust prevention effects while being considerate of human health and the environment. - For rust prevention measures during the transportation of parts and storage of retained items. It allows you to proceed to the next process without cleaning the metal materials.

This is a highly diffusive vapor-phase rust inhibitor that can be easily applied for rust prevention when temporarily storing steel coils in warehouses or automotive parts on pallets. By placing this product on top of metal products and covering them with plastic or similar materials, rust prevention can be achieved. Since the rust inhibitor in the pack gradually decreases, it is easy to determine when to replace it.

This catalog provides an overview of "Metal Surface Treatment Processes." It includes a non-cyanide silver plating process, "Dain Silver EL, RD," which allows for the selection of replacement or reduction types depending on the target material, as well as various stable tin alloy plating processes such as "DAIN TINGOOD 501, DAIN TINSIL SBB VI." Yamato Kasei can propose "new plating processes" that address issues related to plating, such as environmental concerns, improvement of working conditions, and reduction of total costs. [Contents] ■ Non-cyanide silver plating process ■ Lead-free tin plating process ■ Various additives for the same plating ■ Non-cyanide indium plating ■ Zinc-nickel alloy plating and chromate ■ Nano-etching treatment agents for titanium materials ■ Palladium smut removers *For more details, please refer to the PDF materials or feel free to contact us.

"VERZONE WA-DS" is a rust prevention agent specially formulated with a volatile rust inhibitor that protects iron and iron alloy metals from corrosion. By simply wrapping metal products in rust-proof paper coated with this product and storing them, corrosion and discoloration are suppressed not only on contact surfaces but also on non-contact surfaces due to the volatile components. This revolutionary volatile rust inhibitor is effective for all types of iron-based metals. 【Features】 ■ Can prevent rust on all iron metals ■ Gradually volatilizes, allowing for long-term rust prevention ■ The volatile components reach complex-shaped products, demonstrating rust prevention effects ■ Enables rust protection without using rust oil, maintaining a clean working environment *For more details, please refer to the PDF document or feel free to contact us.

"VERZONE Green SH-K" is an environmentally friendly vapor-phase rust inhibitor that does not use any harmful substances. It can prevent rust on various metal products, regardless of whether they are ferrous or non-ferrous. This product does not contain any compounds designated as harmful under the Poisonous and Deleterious Substances Control Law, the Fire Service Act, the Industrial Safety and Health Act, or the PRTR Law. 【Features】 ■ Completely nitrite-free, considerate of the environment and human health ■ Capable of preventing rust on various metal products, regardless of ferrous or non-ferrous ■ The vapor components penetrate into every detail just by placing the items inside the container ■ Rust protection can be achieved without using rust oil ■ A clean working environment is achieved *For more details, please refer to the PDF document or feel free to contact us.

"VERZONE Crystal #270" is a revolutionary vapor-phase rust inhibitor that exhibits outstanding effectiveness against steel. By simply introducing it into the packaging, it is possible to effectively prevent rust on steel products. It vaporizes slowly, allowing for long-term rust prevention, and due to its vapor-phase nature, the vapor components penetrate even complex-shaped products, demonstrating rust prevention effects. Since rust protection can be achieved without using rust oil, a clean working environment can be maintained. [Features] - Effectively prevents rust on steel products by simply introducing it into the packaging. - Vaporizes slowly, allowing for long-term rust prevention. - The vapor components penetrate even complex-shaped products due to its vapor-phase nature. - A clean working environment can be maintained as rust protection can be achieved without using rust oil. *For more details, please refer to the PDF document or feel free to contact us.

"VERZONESG-Powder" is a revolutionary vapor-phase rust inhibitor that is effective on non-ferrous metal products (such as copper, brass, tin, silver, etc.). By simply placing it inside the packaging, it can protect metal products from rust, and it vaporizes slowly, allowing for long-term rust prevention. Being vapor-phase, the vaporized components penetrate even complex-shaped products, demonstrating rust prevention effects. 【Features】 ■ Capable of rust prevention for all non-ferrous metal products ■ Allows for long-term rust prevention due to slow vaporization ■ Vaporized components penetrate complex-shaped products, providing rust prevention effects ■ Enables rust protection without the use of rust-inhibiting oil, maintaining a clean working environment *For more details, please refer to the PDF document or feel free to contact us.

The "VERZONE SF 310" is a water-soluble rust preventive agent effective for all metals, including not only steel products but also copper (alloys), zinc, and aluminum. It possesses rust prevention power and moisture resistance comparable to the NP series light rust preventive oils, without the stickiness typical of general rust preventive oils, and does not adhere to other products. This product has vapor-phase rust prevention effects, allowing it to maintain its rust prevention effectiveness not only during water pressure tests, circulation use, and immersion but also after water drainage and drying. 【Features】 ■ Superior discoloration prevention effect for copper (alloys) compared to the commonly used rust preventive agent benzotriazole. ■ Rust prevention power and moisture resistance comparable to the NP series light rust preventive oils. ■ No stickiness like general rust preventive oils, and does not adhere to other products. ■ Possesses vapor-phase rust prevention effects. ■ Rust prevention effectiveness persists even after water drainage and drying. *For more details, please refer to the PDF materials or feel free to contact us.

"VERZONE DC-4" is a water-soluble rust inhibitor formulated with a special rust-preventive agent. By adding it to the water used for hydrostatic testing of various plant equipment, it exhibits a high rust prevention effect. It demonstrates significant rust prevention effects in the liquid, making it suitable for full water storage. Furthermore, since a rust-inhibiting film remains even after drainage, it allows for intermediate rust prevention until shipping processing. 【Features】 ■ High rust prevention effect ■ Significant rust prevention effect in the liquid ■ Easily removable by simply washing with water ■ Water with added VERZONE DC-4 meets general drainage standards, allowing it to be discharged directly without treatment *For more details, please refer to the PDF document or feel free to contact us.

"VERZONE AF-22" is a water-soluble rust preventive agent that has a high corrosion inhibition effect on steel products, copper and copper alloys, zinc, and various other metals. It possesses moisture resistance without causing the stickiness associated with rust preventive oils, demonstrating a high rust prevention effect comparable to that of rust preventive oils. Additionally, it does not contain nitrites or amines, making it an environmentally friendly water-soluble rust preventive agent that does not include any chemicals specified under various regulations such as the Poisonous and Deleterious Substances Control Law, the Industrial Safety and Health Law, and the PRTR Law. 【Features】 ■ Despite being a water-soluble rust preventive agent, it has moisture resistance comparable to lightweight rust preventive oils. ■ It allows for rust protection without the use of rust preventive oils, maintaining a clean working environment. ■ It does not produce the unpleasant odors typical of rust preventive agents. ■ It has excellent discoloration prevention effects on copper and copper alloys. ■ Complies with JIS K 2246 6.34 "Moisture Test Method." *For more details, please refer to the PDF document or feel free to contact us.

This product is a substance that has a carboxyl group at the 4- or 5-position of the benzene ring of benzotriazole. When used in applications requiring high-temperature processing, it improves the lubricating properties and anti-corrosive capabilities of lubricants. Compared to regular benzotriazole, it exhibits strong chelating power and has good heat resistance. It has a strong anti-corrosive effect on copper and copper alloys. 【Features】 - Strong anti-corrosive power against copper and copper-based alloys (effective in small amounts) - The formed film is a thin, insoluble, transparent film that exhibits sufficient anti-corrosive power - Stable against acids and alkalis - The formed film has strong chelating power and good heat resistance - Low toxicity *For more details, please refer to the PDF document or feel free to contact us.

This document is the product specification sheet for "Cyclohexylamine," which can be used as a rust inhibitor, rubber agent, surfactant, and dye. It is a colorless, transparent liquid with an amine odor and is poorly soluble in water. It dissolves in general organic solvents and mineral oils. The document includes details such as "hue," "aniline content," "benzene content," and "heavy distillate," so please take a moment to read it. [Contents] ■ Product Name ■ Appearance ■ Purity ■ Hue ■ Moisture *For more details, please refer to the PDF document or feel free to contact us.

This document is the product specification sheet for "Dicyclohexylamine," a colorless and transparent liquid with an amine odor. It can be utilized as a rust inhibitor, rubber agent, surfactant, and dye. The document includes details such as "appearance," "aniline content," and "cyclohexanol content." Please take a moment to read it. [Contents] ■ Product Name ■ Appearance ■ Purity ■ Color Hue ■ Moisture *For more details, please refer to the PDF document or feel free to contact us.

"VERZONE N-BTA" is a substance that has a nitro group at the 4- or 5-position of the benzene ring of benzotriazole. Compared to 1. 2. 3. BTA, it is characterized by particularly strong chelating ability. When used for the same applications as BTA, such as rust inhibitors, the rust prevention and lubricating properties of lubricating oils and other characteristics are improved, and it is also expected to be applicable to metal additives. [Features] - A substance that has a nitro group at the 4- or 5-position of the benzene ring of benzotriazole - Particularly strong chelating ability compared to 1. 2. 3. BTA - Improved rust prevention and lubricating properties of lubricating oils and other characteristics - Expected applications to metal additives and others *For more details, please refer to the PDF document or feel free to contact us.

"VERZONE OA-372/386" is a rust prevention additive for copper and non-ferrous metals. It contains benzotriazole derivatives as its main ingredient. It also functions as an antioxidant for lubricating oils. This product is liquidized using a special method for benzotriazole derivatives, eliminating the need for dusting during addition and the process of confirming dissolution, making it easier to handle. 【Features】 ■ Strong rust prevention for copper and copper alloys (effective in small amounts) ■ The formed film is a thin, insoluble, transparent film that provides sufficient rust prevention ■ Low toxicity ■ Expected to have a synergistic effect when coexisting with other rust inhibitors in oil-soluble cutting fluids, hydraulic oils, etc. ■ Can be used in conjunction with other rust inhibitors when structures are integrated with steel or other types of metals *For more details, please refer to the PDF document or feel free to contact us.

The "VERZONE TT-250A" is a discoloration prevention agent for copper and non-ferrous metals. It contains benzotriazole derivatives as the discoloration prevention component. This product is liquidized using a special method for benzotriazole derivatives, eliminating the need for dusting during addition and the process of confirming dissolution, making it easier to handle. 【Features】 ■ Being in liquid form, there is no dusting during addition, and the process of confirming dissolution is unnecessary. ■ It exhibits significant rust prevention effects even in strongly alkaline environments. ■ Excellent discoloration prevention effects can be achieved even when used in circulating water. ■ It contains benzotriazole derivatives as the discoloration prevention component. *For more details, please refer to the PDF document or feel free to contact us.

"VERZONE TTA" is a corrosion inhibitor that has a methyl group at the 4- or 5-position of the benzene ring of a benzotriazole, which is called triazole. Like benzotriazole, this product effectively suppresses discoloration and corrosion of copper. It can coexist with other rust inhibitors in water-soluble cutting fluids, non-flammable hydraulic fluids (water-glycol based), antifreeze, circulating cooling water, etc., and is expected to provide effective synergistic effects. When structures are integrated with steel or other metals, it can be used in conjunction with other rust inhibitors. 【Features】 ■ Strong rust prevention for copper and copper alloys (effective in small amounts) ■ The formed film is a thin, insoluble, transparent film that exhibits sufficient rust prevention power ■ Stable against acids and alkalis ■ Soluble in various organic solvents ■ Low toxicity *For more details, please refer to the PDF document or feel free to contact us.

"VERZONE Crystal #120" is a product that begins to form a stable polymer complex film on the surfaces of various metals using a substance known as benzotriazole. It is effectively used as a discoloration preventive agent and corrosion inhibitor for copper and copper alloys. It is also added to plastics and other materials as a discoloration preventive agent. In addition to being used as a reagent for the quantitative analysis of silver, it is widely used as a stabilizer against ultraviolet rays, as well as a stabilizer for photographic emulsions and developing solutions. 【Features】 - Strong rust prevention for copper and copper alloys, effective in small amounts - The formed film is a thin, insoluble transparent film that exhibits sufficient rust prevention - Stable against acids and alkalis - Has the effect of absorbing ultraviolet rays - Soluble in various organic solvents - Low toxicity *For more details, please refer to the PDF document or feel free to contact us.

"BELZON Crystal #130-K" is a volatile rust preventive agent that exhibits high effectiveness against steel and cast iron. The treatment is completed simply by placing a pack containing the rust preventive agent on the product and covering it with a plastic sheet. The highly diffusive rust preventive gas protects the product from rust for an extended period. In situations where rust preventive oil cannot be used, it allows for easy rust prevention treatment, and it also helps reduce the labor involved in degreasing and cleaning, thus solving concerns related to rust prevention. 【Features】 ■ Easy rust prevention treatment can be completed in the factory ■ Suitable for rust prevention inside large machinery and large packages ■ The volatile components penetrate even complex-shaped products to exert rust prevention effects ■ No need for rust preventive oil, achieving a clean working environment ■ Effectiveness lasts for 1-2 years in a sealed state and 2-4 months in a semi-sealed state *You can view the materials containing performance test results from "PDF Download." If you would like a sample, please apply through the contact form.

"VERZONE (Belzon) Metaseed" is a rust preventive product that serves as an alternative to rust preventive oil. It forms a thin, non-sticky film on the surface of the workpiece, demonstrating high rust prevention effectiveness. Subsequent processes such as welding and resin molding can be performed without degreasing or removal steps. The applicable materials include various types such as cast iron, carbon steel, stainless steel, aluminum, and mold steel (e.g., pre-hardened steel). It can be used for rust prevention on the edge surfaces of slit coils, temporary rust prevention for stagnant parts, and to prevent scratches on steel surfaces during transportation, while also suppressing the adhesion of dust during storage. [Features] - Due to its thin film, it has minimal impact on subsequent processes, allowing for the omission of rust preventive oil removal steps. - It can be applied without degreasing, allowing for the application of agents like drawing lubricants. - In addition to rust prevention, it is also suitable for scratch prevention. - The rust prevention effect lasts for about three months during indoor storage. - Thanks to its vapor-phase rust prevention effect, longer-term rust prevention is possible in sealed conditions. - Available in liquid types suitable for brushing and dipping, as well as spray types. *For more details, please refer to the PDF document. Feel free to contact us with any inquiries.*

The rust inhibitor vaporizes and protects the surface of the metal from rust. It is a very easy rust prevention method, as you only need to place the vapor-phase rust inhibitor together with the metal products! Complete sealing is not necessary; a certain level of sealing is sufficient. ■ How to use the vapor-phase rust inhibitor Simply seal the metal parts you want to protect from rust together with the vapor-phase rust inhibitor. (For example, put them in a box or cover them with a bag) ■ Mechanism of the vapor-phase rust inhibitor 1. The rust inhibitor vaporizes. 2. The rust inhibitor fills the sealed space (inside the box or packaging). 3. The vaporized rust inhibitor protects the surface of the metal. ■ Other features - No need for coating or cleaning. - The gas from the rust inhibitor reaches even complexly shaped metal parts. - Even if it gets wet due to condensation, the vapor-phase rust inhibitor dissolves in water and suppresses rust.

"VERZONE WA" is a water-soluble rust preventive agent with powerful vapor-phase rust prevention effects. It demonstrates excellent effectiveness in preventing flash rust on water-soluble paints and for rust prevention inside cans. It can also be used in aerosol products and for water in hydrostatic testing of various plant equipment. Additionally, due to its vapor-phase rust prevention effect, it provides rust protection even in areas not in contact with the liquid when sealed. 【Features】 ■ After hydrostatic testing, vapor-phase rust prevention effects remain due to test water residues even after draining. ■ If this product is used in a diluted form, vapor-phase rust prevention effects remain even if water is present. ■ It can be easily removed with water after use. *For more details, please refer to the PDF document or feel free to contact us.

■ This is a rust prevention oil developed for cylinder rolls. Unlike general rust prevention oils, it does not corrode non-ferrous metals such as copper. ■ The rust prevention oil film is thin at the molecular level, but it does not break and is easy to remove. ■ Due to its high penetration ability, it quickly covers the metal surface, ensuring that rust prevention components reach even the smallest gaps and pinholes.

The rust inhibitor vaporizes (turns into gas) and protects the surface of the metal from rust. It is a very easy rust prevention method since you only need to place the vaporizing rust inhibitor together with the metal products! Complete sealing is not necessary; a certain degree of sealing is sufficient. ■ How to use the vaporizing rust inhibitor Simply seal the metal parts you want to protect from rust together with the vaporizing rust inhibitor. (For example, put them in a box or cover them with a bag) Complete sealing is not required! ■ Mechanism of the vaporizing rust inhibitor 1. The rust inhibitor vaporizes. 2. The rust inhibitor fills the sealed space (inside the box or packaging). 3. The vaporized rust inhibitor protects the surface of the metal. ■ Other features - No need for coating or cleaning. - The gas from the rust inhibitor reaches even complexly shaped metal parts. - Even if it gets wet due to condensation, the vaporizing rust inhibitor dissolves in water and suppresses rust.

The Belzon SF-310 forms a powerful water-repellent film on all metals, including nickel, chrome, and copper plating, improving discoloration prevention and corrosion resistance. It contributes to reducing the thickness of the plating film and improving workability through water drainage. It does not have the stickiness of general rust prevention oils and does not cause adhesion of other products.

- It is a water-soluble rust inhibitor that has a high corrosion suppression effect on steel products, copper and copper alloys, zinc, and various other metals. - It is an environmentally friendly water-soluble rust inhibitor that does not contain nitrites or amines. - It does not contain any chemical substances specified by various regulations such as the Poisonous and Deleterious Substances Control Law, the Industrial Safety and Health Law, or the PRTR Law. - Despite being a water-soluble rust inhibitor, it has moisture resistance comparable to that of light rust preventive oils. - It does not produce the unpleasant odors characteristic of rust inhibitors.

- It does not contain benzotriazole-based compounds. - It exhibits a high corrosion inhibition effect on various metals such as copper, copper alloys, aluminum, and iron with a small amount of addition. - It is a water-soluble rust inhibitor effective for aluminum and aluminum alloys. - Since aluminum is an amphoteric metal, corrosion can be a problem in high pH machining oils and cleaning agents. However, when DFA-1 is added to machining oils and cleaning agents, it demonstrates a high corrosion inhibition effect on aluminum and aluminum alloys. - Compared to inorganic corrosion inhibitors commonly used in machining oil applications, it uses organic agents as corrosion inhibition components, ensuring stability in liquid form when added to machining oils.

"VERZONE Oil MS-6" is an anti-rust oil developed for the protection of cylinder rolls during storage and transportation. It has been used by many customers, enabling long-term use of cylinder rolls! During long-term storage of cylinder rolls, cracks may occur in the chrome plating on the surface of the cylinder rolls, which is multi-layered, leading to corrosion of the underlying metal. By applying this product to the surface of the cylinder rolls, the anti-rust agent penetrates the cracked areas and prevents corrosion of the underlying metal. It also prevents chrome roughening. The anti-rust oil film is extremely thin at the molecular level, yet it remains intact and is easy to remove. It can be used with standard application methods such as brushing, dipping, or spraying.

It is a vapor-phase rust preventive agent that suppresses rust, oxidation, and sulfide on metals before and after plating. - It works simply by placing it in a sealed space with the metal you want to protect. - Since the vapor-phase components form a thin protective film on the metal surface, there is no need for application like rust prevention oil, and it does not create stickiness, reducing the burden on the degreasing tank before plating and minimizing impact on subsequent processes after plating. - It can be applied in transport boxes, as it is effective even without complete sealing, similar to desiccants like silica gel or oxygen absorbers. - Because the vapor-phase components dissolve in water, it maintains a certain level of effectiveness even if condensation occurs.

【Discoloration Prevention Performance】 ■ Suppresses discoloration when copper materials are heated (140–200℃). ■ Suppresses discoloration at high temperatures and high humidity (>70℃, >80%RH). 【Other Features】 ■ A water-soluble, non-chrome product that contains no inorganic components, making it environmentally friendly. ■ Does not significantly adversely affect the contact resistance of copper surfaces. 【Examples of Use】 ■ Copper-plated products, copper foil, copper wire. ■ Rolled copper foil, electrolytic copper foil (for printed circuit boards, lithium-ion battery anodes, etc.). ■ Alternative to chromium treatment for copper foil. ■ Suppresses discoloration during heating in post-processes such as reflow and soldering.