Marking Chalk Refills are high-visibility colored chalk powders designed for use with chalk line tools. They provide clear, long-lasting marking for layout, leveling and construction work. Available in blue and red, in multiple pack sizes for different job requirements.
• 0631: Blue Chalk – 1000 g
• 0633: Blue Chalk – 200 g
• 0643: Red Chalk – 1000 g
• 0638: Red Chalk – 200 g
In Stock
| Property | Specification |
|---|---|
| Product Type | Marking chalk refills for chalk line reels |
| Colors Available | Blue & Red |
| Pack Sizes | 200 g and 1000 g |
| Main Application | Construction line marking and layout |
| Usage | Compatible with all standard chalk reels |
Marking chalk refills are used in chalk line reels to create straight, visible lines for construction layout, framing, flooring, and general alignment. They help workers achieve accurate marking over long distances with clear, easy-to-see colors.
These refills are available in blue and red. Blue is more common for general layout work, while red offers stronger visibility and longer-lasting lines. Red chalk is typically used for outdoor or high-visibility projects where markings must stay longer.
They come in two pack sizes: 200 g and 1000 g. The 200 g pack is convenient for quick jobs and portability, while the 1000 g pack is ideal for frequent site marking or professional use with high consumption.
Yes, the chalk powders are designed to work with all standard chalk line reels. Their fine consistency helps ensure smooth refilling and clear line snapping without clogging or uneven distribution in the reel.
Blue chalk is less permanent and ideal for indoor or temporary markings. Red chalk is more durable and weather-resistant, making it suitable for outdoor or long-term lines. However, red should be used cautiously on finished surfaces due to stronger staining.
Red chalk is generally better for outdoor use because it resists fading from sunlight or moisture. Blue chalk is visible outdoors but may fade faster depending on weather conditions and surface type.
It works best on porous or semi-porous surfaces such as wood, concrete, drywall, and cement. On glossy or very smooth surfaces, the chalk may not adhere well, leading to lighter or less visible lines.
Keep the chalk bottles tightly sealed in a dry environment. Moisture can cause clumping, reducing marking quality. Store away from heat and direct sunlight to maintain color vibrancy and powder consistency.
Yes, but basic safety measures should be followed. Avoid inhaling chalk dust and keep it away from eyes. Wearing gloves during refilling helps prevent skin irritation and keeps hands clean during prolonged use.
Usage depends on project size and marking frequency. A 200 g pack is enough for small or medium jobs, while a 1000 g pack supports long-term or high-volume site work. Proper sealing after each use extends the life of the chalk.
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