Porcelain Crucibles, Low Form

Low-form porcelain crucibles for laboratory melting — JIPO Brand

JIPO low-form porcelain crucibles are designed for melting, incineration, heating, carbonisation and calcination of chemical substances, compounds and precious metals such as gold and silver. Made from high-quality refractory porcelain, they offer excellent resistance to fire and direct flame, ensuring consistent performance and durability in laboratory and foundry work.

The crucible body is fully glazed except at the base, allowing easy cleaning and providing high chemical resistance to acids, bases and solvents. Its composition of clay, quartz and feldspar (3Al₂O₃·2SiO₂) ensures outstanding thermal and mechanical stability, even under rapid temperature changes.

These crucibles are essential tools for jewellers, metallurgists and chemical laboratories, as well as for ceramic industries, pharmacies, catering and educational environments, where thermal resistance and precision are required in melting and high-temperature processes.

Technical characteristics of JIPO porcelain

• Standards: EN 1183 and ISO 1775 — Group C110 according to Czech Standard CSN 60672-3.
• Maximum operating temperature: up to 1350 °C (unglazed) and 1000 °C (glazed).
• Density: 2.4 g/cm³.
• Thermal conductivity: 1.3 W·m⁻¹·K⁻¹.
• Mohs hardness: 7–8.
• Chemical resistance: acids 99.99 % — alkalis 99.96 %.
• Mechanical strength: tensile 400 Kp/cm² — compressive 3500 Kp/cm² — flexural ≥ 500 Kp/cm².
• Water absorption: 0 %.

Model comparison — Low form