The Wincom Medium Form Porcelain Crucible is a premium, high-temperature laboratory vessel engineered for quantitative chemical analysis, gravimetric testing, and high-heat ashing procedures. Manufactured from premium, high-purity glazed porcelain, it is designed to withstand extreme thermal stress without cracking or leaking chemical impurities. This medium-form crucible features an optimized height-to-width ratio and comes with a tight-fitting lid, making it an indispensable tool for metallurgy, analytical chemistry, environmental testing, and material science laboratories.

Technical Specifications

• Equipment Type: Medium Form Laboratory Crucible with Matching Lid

• Material Composition: High-purity, unreactive laboratory glazed porcelain (Alumina-Silicate ceramic)

• Glaze Finish: Fully glazed inside and outside surfaces (except for the flat outer bottom base and lid rim)

• Maximum Temperature Limit: Safe up to 1050°C to 1150°C (depending on continuous or intermittent firing cycles)

• Available Volumetric Capacities: Standard laboratory volumes (e.g., 15ml, 30ml, 50ml, or 100ml variants)

• Geometry Design: Classic medium-form architecture (balanced wall height and top diameter proportions)

• Chemical Resistance: Exceptional resistance to hot concentrated acids, alkaline solutions, and corrosive salts

Key Features

• Advanced Thermal Shock Resistance: Engineered with a low coefficient of thermal expansion, allowing the vessel to safely transition during gradual heating and cooling cycles inside high-temperature muffle furnaces.

• High-Purity Glazed Internal Surface: The ultra-smooth, high-gloss internal glaze prevents chemical samples from sticking to the walls, ensuring 100% sample recovery and effortless washing after ash residue testing.

• Vapor-Tight Matching Lid Included: Accompanied by a perfectly fitting porcelain lid with a top loop handle, which effectively seals in chemical vapors and prevents ambient dust contamination during cooling inside desiccators.

• Non-Reactive Chemical Composition: The structural ceramic matrix does not bleed trace metals or react with organic solvents and strong reagents, maintaining absolute integrity for highly sensitive analytical experiments.

• Stable Flat-Bottom Geometry: Features a precision-ground, unglazed flat base that sits perfectly level on clay pipe triangles, iron tripods, or furnace floor plates without tilting or swaying.

Primary Applications

• Gravimetric Ashing Analysis: Burning organic material samples down to pure ash inside muffle furnaces to calculate precise mineral and carbon percentages.

• High-Heat Chemical Synthesis: Heating raw chemical mixtures, chemical salts, and metallic compounds to ultra-high temperatures to trigger thermal decomposition.

• Metallurgy and Alloy Testing: Melting and mixing small quantities of non-ferrous metals and mineral ores to evaluate pure metal composition baselines.

• Environmental Testing: Igniting soil, sludge, and solid waste samples to check volatile suspended solids and dry mass ratios under strict environmental protocols.