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Send EmailCeramic Clay, 1332-58-7
| Parameter | Description |
|---|---|
| Product Name | Ceramic Clay |
| CAS Number | 1332-58-7 (general clay minerals) |
| Definition | Naturally abundant, fine-grained (≤0.002 mm) mineral group with high plasticity |
| Main Groups | Illite, Kaolinite, Montmorillonite, Other clays |
| Natural Appearance | Fine-grained, generally dark firing color |
| Color | Light gray, cream, brown (depending on impurities) |
| Mineral Class | Silicate / Clay mineral |
CHEMICAL DESCRIPTION:
Ceramic Clays are naturally abundant, fine-grained (≤0.002 mm) mineral groups with high plasticity. They consist mainly of illite, kaolinite, and montmorillonite groups. In the ceramic industry, they are used in body and glaze formulations due to their shaping properties. In Turkey, they are found in Istanbul (Ömerli, Beykoz, Şile) regions, but production is restricted due to water basin regulations.
| Component | Description |
|---|---|
| Main Minerals | Limestone, silica, mica, iron oxide |
| Purity | Pure clay is rare; generally contains impurities |
| Main Clay Groups | Illite, Kaolinite, Montmorillonite |
| Iron Oxide Content | Determines firing color (high iron → dark color) |
| Organic Matter | Affects plasticity and firing color |
Occurrence in Turkey: Istanbul (Ömerli, Beykoz, Şile) – production restricted due to water basins.
| Property | Value / Description |
|---|---|
| Particle Size | ≤ 0.002 mm |
| Plasticity | High, provides shaping ease |
| Water Retention | Increases with plasticity |
| Moisture (Quarry) | Summer: 14-18%, Winter: 22-28% |
| Whiteness Degree | Most important quality factor |
| Water Absorption Rate | Should be low |
| Shrinkage Percentage | Should be controlled |
| Green/Dry Strength | High strength preferred |
| Casting Properties | Critical for homogeneous application |
| Firing Color | Light color (white, cream) preferred; dark color indicates low quality |
| Clay Group | Properties | Application Area |
|---|---|---|
| Kaolinite | Low plasticity, high whiteness, low iron | Porcelain, whiteware, paper |
| Illite | Medium plasticity, medium whiteness | Ceramic bodies, bricks |
| Montmorillonite | High plasticity, high water retention | Specialty ceramics, drilling muds |
| Blended Clays | Combined properties | Ceramic formulations |
| Application | Description |
|---|---|
| Body Formulations | Used at ~35% ratio; provides shaping properties |
| Glaze Formulations | Prevents sedimentation, provides homogeneity |
| Sanitaryware | Processed "pasta clays" are preferred |
| Granite, Porcelain, Technical Ceramics | Require high purity and whiteness |
| Casting Bodies | Critical for homogeneous casting |
| Criterion | Description |
|---|---|
| Whiteness Degree | Most important quality factor |
| Plasticity | Ease of shaping |
| Water Absorption Rate | Should be low |
| Firing Color | Light color preferred |
| Iron Oxide Content | Should be low (< 1%) |
| Organic Matter | Should be controlled |
| Shrinkage Rate | Controlled and predictable |
| Strength | Green and dry strength should be high |
| Parameter | Information |
|---|---|
| Reserve Regions | Istanbul (Ömerli, Beykoz, Şile) |
| Problem | Production restricted / will be closed due to water basins |
| Quality | Turkish clays have limited physical properties |
| Firing Color | Dark firing color (high iron content) |
| Import Sources | Ukraine, Bulgaria, Portugal, Spain |
| Export Value | Ceramic sector exports 1 billion USD annually |
| Solution | Production supported by imported clays |
| Parameter | Information |
|---|---|
| Storage Conditions | Dry, enclosed area; protect from rain and moisture |
| Storage Temperature | Room temperature |
| Moisture Effect | High water retention increases storage and transport costs |
| Shelf Life | Unlimited (under proper storage) |
| Packaging | Bulk, bags, Big Bags |
| Processing Note | Negatively affects agitation in wet grinding mills; part of clay is added later |
Personal Protective Equipment:
Dust mask (P2 or N95)
Safety goggles
Protective gloves
Protective clothing
| Parameter | Value |
|---|---|
| GHS Classification | Not classified (not hazardous) |
| Toxicity | Low |
| Dust Inhalation | Dust inhalation may cause respiratory tract irritation |
| Skin Contact | May cause mild irritation |
| Eye Contact | May cause mild irritation |
| Carcinogenicity | Not classified |
| Ecotoxicity | Low |
| Special Risk | May contain crystalline silica (respiratory risk) |
SPECIAL ADVANTAGES:
Natural mineral, low toxicity
Environmentally friendly
Recyclable
| Parameter | Information |
|---|---|
| Ecotoxicity | Low |
| Bioaccumulation | Not expected |
| Environmental Impact | Production restricted in water basins and residential areas |
| Waste Management | Disposal according to local regulations |
| Recycling | Possible (used ceramics) |
| Parameter | Information |
|---|---|
| UN Number | Not classified as dangerous for transport |
| Hazard Class | Not classified |
| Packing Group | Not applicable |
| Proper Shipping Name | Ceramic Clay |
| Marine Pollutant | No |
| ADR/RID Label | None |
SUMMARY:
Ceramic Clays are naturally abundant, fine-grained (≤0.002 mm) mineral groups with high plasticity. They consist mainly of illite, kaolinite, and montmorillonite groups. In the ceramic industry, they are used in body and glaze formulations due to their shaping properties.
Key Properties:
| Property | Value |
|---|---|
| Particle Size | ≤ 0.002 mm |
| Plasticity | High |
| Moisture (Summer) | 14-18% |
| Moisture (Winter) | 22-28% |
| CAS No | 1332-58-7 |
| Main Groups | Illite, Kaolinite, Montmorillonite |
CRITICAL WARNINGS:
Quality Determinant: Whiteness degree is the most important quality factor for ceramic clay. Light firing color is preferred.
Status in Turkey: Istanbul reserves will be closed for production due to water basins. Turkish clays have dark firing color and low purity; imported clays (Ukraine, Bulgaria, Portugal, Spain) are used.
Ceramic Sector: Clays are critical raw materials for the sector with 1 billion USD annual export value.
Processing Difficulty: Negatively affects agitation in wet grinding mills; therefore, part of the clay is added later.
Transport Cost: High water retention increases storage and transport costs.
Plasticity: High plasticity provides shaping ease but affects water retention and drying time.
Important Disclaimer: This Technical Data Sheet (TDS) is for informational purposes only. The information provided is based on available data and is believed to be accurate. However, the user is solely responsible for determining the suitability of the product for their specific applications and for complying with all applicable regulations and safety requirements. For complete safety, handling, storage, and regulatory compliance information, always refer to the official Safety Data Sheet (SDS/MSDS) provided by the manufacturer/supplier. All local, national, and international regulations must be followed when working with Ceramic Clays. Testing prior to use in body formulations is recommended.