





💚 Glow brighter, last longer — chalk that means business.
Japan Physics and Chemistry Dasutoresu fluorescent chalk green DCK-72-G is a premium, eco-conscious chalk made from calcium carbonate and scallop shells. It fluoresces vividly under blacklight, ideal for low-light environments, and lasts twice as long as traditional gypsum chalk. Designed with a coated body to keep hands clean, this trusted Japanese product has been a classroom staple since 1937.
| Manufacturer | Nihon Rikagaku Industry Co., Ltd. |
| Brand | 日本理化学 |
| Item Weight | 1.61 pounds |
| Product Dimensions | 2.7 x 2.9 x 6.5 inches |
| Item model number | DCK-72-G |
| Is Discontinued By Manufacturer | No |
| Color | Green |
| Closure | Snap |
| Grip Type | Contoured |
| Pencil Lead Degree (Hardness) | H |
| Material Type | calcium carbonate |
| Line Size | 2mm_and_above |
| Ink Color | Green |
| Manufacturer Part Number | DCK-72-G |
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