Porcelain Crucibles, Medium Form

Porcelain Crucibles, Medium Form

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Porcelain Crucible - Medium Form
JIPO porcelain crucibles provide maximum thermal and chemical resistance, maintaining their integrity under direct flame or temperatures above 1300 °C. Their glazed finish ensures easy cleaning, dimensional stability, and long-term durability even with intensive use. Available in multiple capacities, the medium-form models combine practicality, robustness, and reliability — essential for laboratory, metallurgical, and jewellery applications.

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In Stock Products

Porcelain Crucibles for Laboratory Melting — JIPO Brand

JIPO porcelain crucibles are designed for melting, incineration, calcination, carbonisation, and direct heating of chemical substances and precious metals such as gold and silver. Made of high-resistance technical porcelain, these crucibles can withstand direct flame and extreme temperatures without cracking or deformation, ensuring exceptional durability in laboratories and professional workshops.

The outer surface is fully glazed (except for the base) to provide easy cleaning and excellent chemical resistance to acids, alkalis, and solvents. Their composition of clay, quartz, and feldspar (3Al2O3·2SiO2) ensures remarkable structural stability even under abrupt temperature changes.

These crucibles are essential tools for chemical laboratories, jewellers, ceramic and metallurgical industries, pharmacies, catering, and educational environments, offering high reliability under thermal and chemical stress.

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 — Medium form

Diameter (mm) Height (mm) Capacity (ml) Model
25 20 4.5 2/25
35 28 12 2/35
40 32 20 2/40
45 36 30 2/45
50 40 45 2/50
60 48 80 2/60
70 56 120 2/70

Data sheet

Material
Porcelain
Colour
White
Rim Shape
Flat Finish
Body Shape
Cylindrical-Conical Shaped
Height Shape
Medium Form
Bottom Shape
Flat bottom
Enamelled / vitrified / glazed
Glazed inside and outside, except the base of the mortar
International Standards
DIN 12904 - ISO 1772