Features
- 13 vivid and diverse colors
- Made with 98% pure calcium carbonate for excellent writing feel
- Minimal dust for a cleaner classroom environment
- Specially coated to prevent dust from sticking to hands
- Does not damage the blackboard surface
- Size/Shape: 81mm x 10mm / Round
- Breakage Strength: 3 ~ 3.2kg (KS Standard: ≥1.8kg)
- Writing Distance: 400m ± 50m
- Did You Know? Calcium carbonate and calcium sulfate, which make up more than 98% of chalk, are safe substances listed in the Ministry of Food and Drug Safety's Food Additives Code and are used in products like gum, tofu, toothpaste, and tablets.
Usage and Precautions
- Store in a dry place as moisture can significantly affect the impact strength
- Avoid excessive external shocks during transportation
| Product Name | Specification | Quantity per Carton |
| ADC-10 | 10 pieces, single color pack - White | 120 packs |
| ADC-10Y | 10 pieces, single color pack - Yellow | 120 packs |
| ADC-10R | 10 pieces, single color pack - Red | 120 packs |
| ADC-10B | 10 pieces, single color pack - Blue | 120 packs |
| ADC-10A | 10 pieces, single color pack - Assorted Colors | 120 packs |
Features
- 13 vivid and diverse colors
- Made with 98% pure calcium carbonate for excellent writing feel
- Minimal dust for a cleaner classroom environment
- Specially coated to prevent dust from sticking to hands
- Does not damage the blackboard surface
- Size/Shape: 81mm x 10mm / Round
- Breakage Strength: 3 ~ 3.2kg (KS Standard: ≥1.8kg)
- Writing Distance: 400m ± 50m
- Did You Know? Calcium carbonate and calcium sulfate, which make up more than 98% of chalk, are safe substances listed in the Ministry of Food and Drug Safety's Food Additives Code and are used in products like gum, tofu, toothpaste, and tablets.
Usage and Precautions
- Store in a dry place as moisture can significantly affect the impact strength
- Avoid excessive external shocks during transportation
| Product Name | Specification | Quantity per Carton |
| ADC-10 | 10 pieces, single color pack - White | 120 packs |
| ADC-10Y | 10 pieces, single color pack - Yellow | 120 packs |
| ADC-10R | 10 pieces, single color pack - Red | 120 packs |
| ADC-10B | 10 pieces, single color pack - Blue | 120 packs |
| ADC-10A | 10 pieces, single color pack - Assorted Colors | 120 packs |