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pen Product List

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Solid Surface pH Measurement Pen "Astro pH Tester Pen"

Solid Surface pH Measurement Pen "Astro pH Tester Pen"

A measuring pen that can easily measure the pH of solid surfaces such as paper and fabric.

The "Astro pH Tester Pen" is a pen that allows for easy measurement of the pH of solid surfaces such as paper and fabric. It is necessary to measure the pH of paper to prevent printing issues such as poor ink drying and preservation problems. However, measuring the pH by soaking the paper in water and testing the extract with a pH meter can be time-consuming and labor-intensive, which is why the "Astro pH Tester Pen" was developed. 【Features】 ■ pH measurement can be performed simply by lightly applying the reagent to paper or fabric. ■ Its pen shape makes it portable, allowing for easy measurement on-site. ■ No power supply is needed, and there is no requirement for electrode maintenance or calibration. ■ Available in three types based on pH measurement range: * WS: pH 1.0–12.0, S5: pH 3.6–6.0, S7: pH 5.8–8.2 * For more details, please refer to the PDF document or feel free to contact us.

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Astro PS Etching Pen

Astro PS Etching Pen

A scratch and dirt prevention pen for PS plates that can easily cover scratches formed on aluminum-based printing plates like CTP and PS versions with a strongly formed insensitive fatty film.

The "Astro PS Etching Pen" can easily cover scratches that have formed on aluminum substrates such as CTP plates and PS plates with a strong, insensitive fattening film. If you rub too hard on the area with a PS eraser pen, it may cause scratches on the aluminum substrate, leading to ink smudges. By forming an insensitive fattening film on the area where the smudge occurs, it prevents ink from adhering. Please use it when ink smudges occur due to scratches or deep marks made accidentally. 【Features】 ■ Scratch and dirt prevention pen for CTP and PS plates ■ Capable of removing deep scratches ■ Effective in preventing edge dirt on printing plates *For more details, please refer to the PDF document or feel free to contact us.

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Astro PS correction pen

Astro PS correction pen

A pen that allows you to easily add to the pinholes or missing lines in the image sections of the PS version or CTP version by lightly writing (or painting) over them.

The "Astro PS Touch-Up Pen" allows for easy touch-ups on pinholes and missing lines in PS and CTP version images by simply writing (or painting) lightly. It is formulated with a special resin that has strong adhesive and ink absorption properties, demonstrating excellent durability and ink adhesion. 【Features】 ■ Image touch-up pen for CTP and PS versions ■ Allows for touch-ups with just a light application ■ Superior durability and ink adhesion due to special resin ■ Available in four sizes to match the touch-up areas *For more details, please refer to the PDF materials or feel free to contact us.

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Astrofilm Eraser Pen

Astrofilm Eraser Pen

A deletion pen that can chemically remove unwanted image areas without damaging the film material.

The "Astrofilm Eraser Pen" can chemically remove unwanted image areas without damaging the film material. It easily eliminates unwanted images such as dust and scratches that have been burned onto the film. It is also effective for erasing images on photographic paper, making it an essential tool for plate-making tasks that cannot be digitized. 【Features】 ■ Image eraser pen for film and photographic paper ■ Removes silver halide images from the film without damaging the material ■ No need to re-burn the film due to pinholes or other issues *For more details, please refer to the PDF document or feel free to contact us.

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Astromaster Marker Pen

Astromaster Marker Pen

Pink Master exclusive correction pen

The "Astro Master Correction Pen" is a correction pen specifically designed for Pink Master. It is very convenient to use when you want to add lines or text after printing. The ink's adhesion on the corrected areas is exceptionally good, achieving additions without smudging or blurring, which creates sharp images. The corrected areas use a resin component with strong adhesion, providing high resistance to printing. 【Features】 ■ Excellent adhesion on corrected areas ■ No smudging or blurring, creating sharp images ■ Available in four sizes to match the corrected areas *For more details, please refer to the PDF document or feel free to contact us.

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Silver Digitizer Silver Eraser Pen AX

Silver Digitizer Silver Eraser Pen AX

A cover coat type eraser pen (for aluminum CTP plates) that you simply paint over the areas you want to erase on the Silver Master plate.

The "Silver Deletion Pen AX" is a cover coat type erasing pen that simply requires you to paint over the areas you want to erase on the silver master plate. Traditional erasing pens for silver masters worked by dissolving the image area, but the "Silver Deletion Pen AX" adopts a cover coat method that forms a hydrophilic film by hydrophilizing the image area, preventing ink from adhering. If you apply it to the areas you want to erase on the aluminum CTP silver master more than three times, the erasure is complete, and even if the image area is visible, ink will not adhere. 【Features】 ■ Cover coat type that can erase without removing the image ■ Since it is a cover coat type, it forms a hydrophilic film just by painting over the area to be corrected (erased) ■ It only requires a light application, so it does not damage the silver master *For more details, please refer to the PDF document or feel free to contact us.

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PS Eraser Pen for Negatives

PS Eraser Pen for Negatives

The pen with the highest erasing capability in the PS Eraser Pen series from Nikkan Chemical, responding to the voices of users who use negative versions.

The "PS Eraser Pen for Negatives" exhibits powerful image erasing capabilities. It is the most effective pen in the PS Eraser Pen series by Nikkankagaku, designed in response to the feedback from users of negative film. It demonstrates excellent workability due to its quick image erasure and dirt prevention effect on the erased areas. Please handle it with care as it contains pharmaceutical-grade toxic substances (hydrofluoric acid). 【Features】 ■ Image eraser pen specifically for PS negative film ■ Does not damage the hydrophilic layer of the printing plate, preventing dirt in the erased areas ■ No smudging, allowing for sharp edge erasure ■ Available in three sizes to match the erased areas *For more details, please refer to the PDF document or feel free to contact us.

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PS Eraser Pen for Positioning

PS Eraser Pen for Positioning

Image eraser pen for positive version only

The "PS Erasing Pen for Positives" is an image erasing pen specifically designed for positive film. It quickly erases images even on damp printing plates. It does not damage the hydrophilic layer, so there is no dirt at the erased area. It allows for erasure with no smudging and minimal area, resulting in sharp edges at the erased spots. Please handle with care as it contains pharmaceutical-grade toxic substances (hydrofluoric acid). 【Features】 ■ Image erasing pen specifically for PS positive film ■ Does not damage the hydrophilic layer of the printing plate, preventing dirt at the erased area ■ Sharp edges due to no smudging ■ Available in four sizes to match the erased area *For more details, please refer to the PDF document or feel free to contact us.

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PS Eraser Pen UV

PS Eraser Pen UV

UV version position-specific PS eraser pen

The "PS Eraser Pen UV" has been developed specifically for UV plate positives to eliminate residual film that could not be completely erased by conventional PS eraser pens. It is equipped with optimal capabilities for image erasure and demonstrates excellent effectiveness in preventing dirt in the erased areas. 【Features】 ■ Quickly erases image parts ■ Rapidly erases on CTP plates and PS plates ■ Does not damage the plate and leaves no dirt from erasure marks *For more details, please refer to the PDF document or feel free to contact us.

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Pink clear pen

Pink clear pen

A next-generation correction pen for Pink Master that improves print resistance, setting properties, and leveling.

The "Pink Clear Pen" is a next-generation product designed for pink masters, featuring improved print resistance, set properties, and leveling. The "Pink Clear Pen" dries quickly and forms a cover coat layer that has excellent leveling and is resistant to dirt. For high print resistance pink masters, it achieves over 10,000 prints by dissolving and removing the image portions. 【Features】 ■ Cover coat type that allows for corrections without removing the image ■ Since it is a cover coat type, it forms a non-absorbent film simply by painting over the correction (erasure) area ■ It only requires a light application, so it does not damage the pink master paper *For more details, please refer to the PDF materials or feel free to contact us.

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[Sold Out] Astro Choking Check Pen

[Sold Out] Astro Choking Check Pen

[Discontinued] Paper Drying Defect Check Pen 'Astro Chalking Check Pen'

The "Astro Chalking Check Pen" is a pen that allows you to confirm the risk of chalking due to the acidity of the paper. When printed on highly acidic paper, chalking can occur, where only the pigment components of the ink easily come off like powder when rubbing the dried print. Since printing can still be done on highly acidic paper, discovering chalking in the later stages can lead to significant losses due to reprinting. 【Features】 - You can easily check the risk of chalking by lightly applying the solution to the paper, helping to avoid troubles. - Its pen shape makes it portable, allowing for easy checks on the work site. - The degree of risk for chalking can be confirmed by differences in color development. *For more details, please refer to the PDF document or feel free to contact us.

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Astro Echo PS Eraser Pen

Astro Echo PS Eraser Pen

CTP version and PS version image eraser pen

The "Astro Echo PS Erasing Pen" is an image erasing pen for CTP and PS plates. It quickly erases images even on plates that are wet with moisture. It does not damage the hydrophilic layer, so there is no dirt generated in the erased areas. With the optimal amount of chemical solution, it allows for erasure without smudging and in the smallest possible area, resulting in sharp edges at the erased spots. Please handle it with care as it contains pharmaceutical-grade hazardous substances (ammonium fluoride). 【Features】 ■ Designed as a product not subject to organic regulations ■ Does not damage the hydrophilic layer of the printing plate, preventing dirt in the erased areas ■ No smudging, resulting in sharp erasure edges ■ Available in three sizes to match the erased areas *For more details, please refer to the PDF document or feel free to contact us.

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Astro Opake Pen

Astro Opake Pen

Light-blocking pen for film with excellent adhesion and no cracks in the light-blocking area.

The "Astro Opaque Pen" has excellent adhesion, preventing cracks in the opaque areas, making it suitable for film preservation. Additionally, it offers superior leveling, effectively blocking pinholes and similar issues with a single application, and dries quickly without stickiness, enhancing the efficiency of the plate-making process. 【Features】 ■ Opaque pen for plate-making film ■ Quickly and easily blocks pinholes in negative film ■ High adhesion prevents cracks in opaque areas, suitable for film preservation ■ Available in five sizes to match the opaque areas *For more details, please refer to the PDF document or feel free to contact us.

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Astrothermal Eraser Pen

Astrothermal Eraser Pen

A thermal CTP plate-specific image eraser pen developed to eliminate residual film that has been difficult to completely erase with conventional PS eraser pens.

The "Astro Opaque Pen" is a thermal CTP plate-specific image erasing pen developed to eliminate residual films that have been difficult to completely erase with conventional PS erasing pens. Its design tailored to various thermal CTP plates (positive plates) enhances quick image erasure and prevents staining in the erased areas, resulting in excellent workability. Please handle with care as it contains pharmaceutical-grade toxic substances (hydrofluoric acid). 【Features】 ■ Image erasing pen for thermal CTP plates (positive plates) ■ Does not damage the hydrophilic layer of the plate, preventing stains in the erased areas ■ No bleeding, allowing for sharp edge erasure ■ Available in two sizes to match the erased areas *For more details, please refer to the PDF document or feel free to contact us.

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Astro high-quality and medium-quality paper check pen

Astro high-quality and medium-quality paper check pen

A detection pen that can easily distinguish between high-quality paper and medium-quality paper based on the color when written with a pen.

The "Astro Quality and Medium Quality Paper Check Pen" is a product that allows for easy differentiation between quality paper and medium quality paper based on the color when applied with the pen. Medium quality paper contains components that react to ultraviolet light, causing it to fade or discolor when exposed to sunlight. To protect important books and documents from fading or discoloration, Nikkengaku has developed a pen that allows for easy identification of paper types. 【Features】 ■ Differentiation can be performed simply by lightly applying the reagent to the paper. ■ In the case of quality paper, there is no color change and it remains colorless, while medium quality paper changes to a reddish-purple color. ■ The more ground pulp contained in the paper, the darker the color change will be, so the intensity of the color serves as a guideline. *For more details, please refer to the PDF document or feel free to contact us.

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