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1. Natural Colored Sand

Applications:
Natural colored sand is primarily used in construction and decorative applications, including epoxy flooring, exterior wall coatings, industrial coatings, terrazzo aggregates, and artificial stone panels. It is also applied in garden landscaping, aquarium scenery, and artistic crafts due to its eco-friendly and non-toxic properties .

Production Process:
Derived from natural minerals like marble or granite, it undergoes crushing, washing, screening, and drying. Dry or wet processing methods are employed to produce coarse, semi-refined, or refined grades .

Colors:
Natural tones such as yellow (e.g., floor yellow, tiger skin yellow), white (e.g., snowflake white), green (e.g., emerald green), and gray (e.g., silver gray) are common. However, color consistency between batches may vary due to natural impurities .

Particle Size:
Available in 10–200 mesh (0.2–2 mm), with standard grades including 10–20 mesh, 20–40 mesh, and 40–80 mesh .

Packaging:
Typically supplied in 25–50 kg woven bags or customized bulk packaging for industrial use .

Customization:
Limited to particle size adjustments, as natural hues cannot be artificially altered .

2. Dyed Colored Sand

Applications:
Widely used in crafts (e.g., sand art), decorative flooring, waterproof coatings, and synthetic resin products. It is popular in indoor designs, sand paintings, and micro-landscaping due to its vibrant colors .

Production Process:
Manufactured by coating mineral particles with organic or inorganic pigments. The process includes screening, washing, drying, mixing with dyes, and re-drying. It is categorized into:

• Standard Dyed Sand: Bright but prone to fading.

• Premium Dyed Sand: Enhanced colorfastness.

• Sintered Dyed Sand: High-temperature treated for durability .

Colors:
Over 60 shades, including neon pink, sky blue, rose red, and lemon yellow. Custom colors are achievable .

Particle Size:
Ranges from 5–10 mesh (2–5 mm) to 325 mesh (<0.045 mm). Common grades include 20–40 mesh and 80–120 mesh .

Packaging:
Retail packs (e.g., 1–5 kg for crafts) or industrial bulk packaging (500–1000 kg sacks) .

Customization:
Color and size customization is feasible, especially for premium and sintered variants .

3. Sintered Colored Sand

Applications:
Ideal for high-durability environments like chemical-resistant flooring, outdoor decorative coatings, and roofing tiles. Its UV resistance makes it suitable for long-term exterior use .

Production Process:
Mineral particles (e.g., quartz) are mixed with inorganic pigments and sintered at 400–800°C. The process involves preheating, calcination, cooling, and quality checks to ensure color stability .

Colors:
Vivid and fade-resistant hues such as coral red, ocean blue, and evergreen. Custom colors are achievable through high-temperature treatments .

Particle Size:
Standard grades include 10–20 mesh, 40–80 mesh, and 120–180 mesh. Uniform particle distribution ensures smooth application .

Packaging:
Moisture-proof bags or sealed containers to preserve integrity during transport .

Customization:
Tailored particle sizes, colors, and chemical resistance (e.g., acid/alkali-proof) are available for industrial projects .

4. Comparison and Custom Services

• Durability: Sintered > Natural > Dyed (standard).

• Color Options: Dyed > Sintered > Natural.

• Cost: Sintered (highest) > Dyed > Natural.