Manganese Carbonate MnCO₃ for Purple and Pink Glass Pigments
Short Product Description
Manganese Carbonate MnCO₃ for Purple and Pink Glass Pigments is a controlled-purity manganese source used in glass coloration. With stable Mn content and low Fe and Pb impurities, it enables consistent purple and pink hues in glass production. Suitable for pigment formulation and glass batch processing.
Technical Specifications
| Parameter | Typical Value |
|---|---|
| MnCO₃ Purity | ≥ 98% |
| Manganese (Mn) Content | ≥ 44% |
| Particle Size | 100–200 mesh |
| Moisture | ≤ 1.0% |
| Bulk Density | 0.9–1.2 g/cm³ |
| Loss on Ignition (LOI) | ≤ 35% |
| Iron (Fe) | ≤ 0.05% |
| Calcium (Ca) | ≤ 0.3% |
| Magnesium (Mg) | ≤ 0.3% |
| Lead (Pb) | ≤ 10 ppm |
| Arsenic (As) | ≤ 5 ppm |
| Cadmium (Cd) | ≤ 5 ppm |
Key Features
Controlled manganese source for stable purple and pink glass coloration
Low iron (Fe) content minimizes color distortion and unwanted green tones
Reduced Ca and Mg impurities support consistent melt chemistry
Low heavy metals (Pb, Cd, As) for improved environmental and product safety compliance
Uniform particle size ensures consistent dispersion in glass batch mixing
Manganese Carbonate MnCO₃ for Purple and Pink Glass Pigments supports reproducible pigment performance
Applications
Glass manufacturing – provides manganese for oxidation-reduction balance and color control in purple and pink glass
Decorative glass pigments – enables stable hue development in artistic and architectural glass
Container glass production – used to adjust tint and neutralize unwanted coloration
Specialty glass formulations – supports controlled coloration in optical and functional glass
Problems This Product Solves
Excess iron contamination affecting glass color → low Fe levels help maintain clean purple and pink tones
Inconsistent pigment dispersion → controlled particle size improves batch homogeneity
Unstable coloration during melting → stable Mn content ensures predictable color development
Heavy metal contamination risks → controlled Pb, Cd, As support compliance with safety standards
Variability in melt chemistry → low Ca and Mg reduce interference in glass formulation
Packaging & Supply
25 kg kraft paper bags with PE liner
Palletized export packaging
Container shipment (20GP / 40HQ)
Samples available for glass formulation testing
Customization & Technical Support
Adjustable Mn content based on glass formulation requirements
Low-iron (Fe) grade available for high-purity glass applications
Custom particle size for optimized batch mixing
Technical support for pigment formulation and glass color control
FAQ
1. How does manganese carbonate influence purple and pink glass color?
Manganese acts as a colorant and oxidizing agent, producing purple to pink hues depending on furnace conditions. Stable Mn content ensures consistent color development.
2. Why is low iron (Fe) important in glass pigments?
Iron can introduce green or brown tones in glass. Controlling Fe impurities helps maintain clean and predictable purple and pink coloration.
3. What is the role of Ca and Mg impurities in glass production?
Excess Ca and Mg can alter melt viscosity and chemical balance. Low levels help maintain stable glass processing and consistent color output.
4. Are heavy metals like Pb controlled in this product?
Yes, lead (Pb), arsenic (As), and cadmium (Cd) are strictly limited to meet industrial and environmental compliance requirements.
5. Is this product suitable for high-temperature glass furnaces?
Yes, manganese carbonate decomposes during heating to form active manganese oxides, which participate effectively in high-temperature glass melting processes.