We supply natural mica shields in round shape, or oblong/long form shape for sight glass and level gauge glass. Heat-resistant, durable, perfect fit. Enhance safety & longevity. Order now!
| Material | natual mica shield |
|---|---|
| Size | diameter: 12-220mm |
| Thickness | 0.03-0.3mm |
| Edge | grind edge |
Material: Natural mica shield
Diameter: 12-220mm.
Thickness: 0.03-0.3mm; normally 0.1mm, 0.2mm, 0.3mm as your requirement.
Packing: Individual packing. Can custom packing as clients requirement.
Data sheet for Mica Shields:
| Property | Specification | Testing Standard |
|---|---|---|
| Material | Natural Muscovite Mica (Grade V1/V2) | ASTM D3517 |
| Thickness Range | 0.03mm – 0.3mm | Micrometer measurement |
| Temperature Resistance | -200°C to +1200°C (continuous 800°C) | ASTM E228 |
| Dielectric Strength | 15-25 kV/mm | IEC 60243 |
| Thermal Conductivity | 0.71 W/m·K | ASTM D5470 |
| Chemical Resistance | Resists acids, alkalis, oils, steam | ASTM D543 |
| Density | 2.6-2.9 g/cm³ | ASTM D792 |
| Color | Transparent/translucent amber | Visual inspection |
| Tensile Strength | 100-170 MPa | ASTM D638 |
| Standard Diameters | 12mm-220mm (±0.5mm tolerance) | Caliper measurement |
| Moisture Absorption | <0.3% (24h immersion) | ASTM D570 |
Premium Round Mica Shields for Sight & Gauge Glass
Our high-quality round mica shields provide essential protection for sight glasses and gauge glasses in demanding industrial applications. Made from natural muscovite mica, these shields offer exceptional heat resistance (up to 1200°C), excellent electrical insulation, and superior chemical stability. The precision-cut circular design ensures perfect fitment while preventing thermal shock and corrosion damage.
Key features:
• Withstands extreme temperatures
• Resists acids, oils, and steam
• Maintains clarity under pressure
• Easy to install and replace
Ideal for boilers, reactors, and industrial machinery. Custom sizes available. Contact us for specifications and bulk pricing!
Key Applications:
Sight glass protection in boilers/autoclaves
Gauge glass insulation in chemical plants
Thermal barriers for industrial lighting
Electrical insulation in high-temp equipment
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