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We have developed a new technology called "Gen," which applies over 50 years of experience in iron black dyeing techniques and adds decorative elements. This is a rare and challenging process for black dyeing stainless steel, and we are sharing examples of our work. ■ Benefits of Stainless Steel Black Dyeing - Improved design quality - Enhanced rust resistance - Light reflection prevention - Harmless to the human body - Environmentally friendly *For more details, please download the PDF. Our company offers sample processing (for a fee) to new customers at any time. We are happy to accept sample items, so please feel free to contact us (shipping costs will be borne by the customer).

• Surface treatment contract service

Black dyeing of stainless steel is considered rare and difficult even on a national level, but we have applied the black dyeing technology for iron that we have cultivated over more than 50 years to achieve a stable black dyeing treatment for stainless steel. By blackening stainless steel, we enhance its design appeal, and while stainless steel is originally resistant to rust, this process further increases its rust prevention capabilities. Additionally, it has an anti-reflective effect that reduces light reflection, making it suitable for processing parts of optical devices and similar applications. We also accept sample processing (for a fee) at any time. Please experience black dyeing for yourself! ■ Features - Enhances surface rust resistance - Provides a luxurious appearance with its black color - Reduces light reflection - Suitable for items where dimensional changes are not desired, as it does not add thickness - Can be colored even for complex shapes *For more details, please download the PDF or contact us.

• Surface treatment contract service

At TM Corporation, we offer "black dyeing" and "zinc phosphate treatment (phosphating)." "Black dyeing" creates a black ferric oxide film on the surface of the item, enhancing rust resistance and aesthetics. Additionally, we can perform black dyeing on stainless steel products, which is quite rare nationwide. "Zinc phosphate treatment" creates a gray zinc phosphate film on the surface of the item, making it ideal as a paint base to improve rust resistance and paint adhesion. 【Features】 ○ Black dyeing → Results in a beautiful product when hand-washed. ○ Zinc phosphate treatment → Even if the paint chips off, the zinc phosphate film helps suppress rust formation. We accept orders starting from just one piece, regardless of size, so please feel free to contact us. For more details, please inquire or download our catalog.

• Surface treatment contract service

The chemical reaction of black dyeing forms a 1μ oxide film on the surface of steel products, enhancing their rust resistance. Since painting is a topcoat, it causes dimensional changes, but black dyeing penetrates the item itself, resulting in minimal changes to the original dimensions, making it suitable for items that require dimensional accuracy. It improves rust prevention (rust stopping) and aesthetics (visual beauty) of iron and steel products, as well as suppresses light reflection. Additionally, our company hand washes each item for black dyeing, especially for complex shapes like machine parts or items prone to drug accumulation, resulting in clean products that are less likely to retain chemicals. <Other names for black dyeing> Ferric oxide treatment, ferric oxide treatment, Fe304, alkaline coloring.

• Processing Contract

The chemical reaction of black dyeing forms a 1μ oxide coating on the surface of steel products, enhancing their rust resistance. Since painting is a top coat, it causes dimensional changes, but black dyeing penetrates the item itself, resulting in minimal changes to the original dimensions, making it suitable for items that require dimensional accuracy. It improves rust prevention (rust stopping) and aesthetics (visual beauty) of iron and steel products, and also reduces light reflection. Additionally, our company hand washes each item for black dyeing, especially for complex shapes like machine parts or items prone to drug accumulation, resulting in clean products that are less likely to retain chemicals. <Other names for black dyeing> Ferric oxide treatment, ferric oxide treatment, Fe304, alkaline coloring.

• Processing Contract

The chemical reaction of black dyeing forms a 1μ oxide film on the surface of steel products, enhancing their rust resistance. Since painting is a topcoat, it results in dimensional changes, but black dyeing penetrates the item itself, so the original dimensions of the item remain largely unchanged, making it suitable for items that require dimensional accuracy. It improves rust prevention (rust stopping) and aesthetics (visual beauty) of iron and steel products, and also reduces light reflection. Additionally, our company hand washes each item for black dyeing complex shapes, such as machine parts or items prone to drug accumulation, resulting in clean products that are less likely to retain chemicals. <Other names for black dyeing> Ferric oxide treatment, ferric oxide (III) treatment, Fe304, alkaline coloring.

• Processing Contract

Parkerizing is synonymous with phosphate conversion coating treatment. Our company performs "zinc phosphate treatment" for Parkerizing. By applying Parkerizing treatment to iron, we enhance its rust resistance. The appearance color is gray-black. Due to the uneven surface coating, it has good paint adhesion and is also optimal as a paint base.

• Processing Contract

It is rare and difficult to achieve black dyeing of stainless steel on a national level. This is a new technology that applies the black dyeing techniques of iron, which have been cultivated for over 50 years, to enhance decorative qualities. By black dyeing stainless steel, we aim to improve design and aesthetics. Additionally, applying black dye to stainless steel, which is originally resistant to rust, further enhances its rust prevention capabilities and helps prevent light reflection. Unlike paint, it does not peel off. The film thickness is also very thin, ranging from 1 to 3 microns, resulting in almost no dimensional changes. The treatment solution does not contain any prohibited substances (it complies with ROHS), making it harmless to the human body and environmentally friendly. The treatment temperature is around 120°C, so there is no impact on the items due to temperature.

• Processing Contract

It is rare and difficult to achieve black dyeing of stainless steel on a national level. This new technique applies the black dyeing technology of iron, which has been cultivated for over 50 years, to enhance its decorative qualities. By black dyeing stainless steel, we aim to improve its design and aesthetics. Additionally, applying black dye to stainless steel, which is originally resistant to rust, further enhances its rust prevention capabilities and helps prevent light reflection. Unlike paint, it does not peel off. The film thickness is also very thin, ranging from 1 to 3 micrometers, resulting in almost no dimensional changes. The processing solution does not contain any prohibited substances (it complies with ROHS), making it harmless to the human body and environmentally friendly. The processing temperature is around 120°C, so there is no impact on the items due to temperature.

• Processing Contract

It is rare and difficult to achieve black dyeing of stainless steel nationwide. This is a new technology that applies the black dyeing techniques of iron, which have been cultivated for over 50 years, to enhance its decorative qualities. By black dyeing stainless steel, we aim to improve design and aesthetics. Additionally, applying black dye to stainless steel, which is originally resistant to rust, further enhances its rust prevention capabilities and helps prevent light reflection. Unlike paint, it does not peel off. The film thickness is also very thin, ranging from 1 to 3 micrometers, resulting in almost no dimensional changes. The treatment solution does not contain any prohibited substances (it complies with ROHS), making it harmless to the human body and environmentally friendly. The treatment temperature is around 120°C, so there is no impact on the items due to temperature.

• Processing Contract

It is rare and difficult to achieve black dyeing of stainless steel on a national level. This is a new technology that applies the black dyeing techniques of iron, which have been cultivated for over 50 years, to enhance its decorative qualities. By black dyeing stainless steel, we aim to improve its design and aesthetic appeal. Additionally, applying black dye to stainless steel, which is originally resistant to rust, further enhances its rust prevention capabilities and helps prevent light reflection. Unlike paint, it does not peel off. The thickness of the coating is also very thin, ranging from 1 to 3 microns, resulting in almost no dimensional changes. The treatment solution does not contain any prohibited substances (it complies with ROHS), making it harmless to the human body and environmentally friendly. The treatment temperature is around 120°C, so there is no impact on the items due to temperature.

• Processing Contract

It is rare and difficult to achieve black dyeing of stainless steel on a national level. This is a new technology that applies the black dyeing techniques of iron, which have been cultivated for over 50 years, to enhance its decorative qualities. By black dyeing stainless steel, we aim to improve its design and aesthetic appeal. Additionally, applying black dye to stainless steel, which is already resistant to rust, further enhances its rust prevention capabilities and helps prevent light reflection. Unlike paint, it does not peel off. The thickness of the coating is also very thin, ranging from 1 to 3 micrometers, resulting in almost no dimensional changes. The treatment solution does not contain any prohibited substances (it complies with ROHS), making it harmless to the human body and environmentally friendly. The treatment temperature is around 120°C, so there is no impact on the items due to temperature.

• Processing Contract