PTFE balls minimize “bumping” during boiling. They are inert and can be used up to 550°F (288°C). Each package contains100 balls. Choose from a variety of sizes. For column packing and mixing beds Resistant to most chemicals Non-contaminating

High purity, white amphoteric alundum granule. Extremely hard porous surface. Will not crumble or "powder". Ten mesh granule size. Specific 3.97. 5 year industry leading warranty In any laboratory procedure involving the boiling of a liquid, inert and insoluble, Hengar Granules…

Hard, bluish black, iridescent silicon carbide granule. No reduction characteristics. Oxidizes slowly at 800°C (1472°F). Twelve mesh granule size. Specific gravity 3.20. 5 year industry leading warranty In any laboratory procedure involving the boiling of a liquid, inert and…

Fractional distillations Evaporations Extractions Refluxings Condensations Other boiling operations

Mesh size: 8 mesh

Chemical resistant Ideal for boiling organic liquids Minimizes superheating Ultra-pure, virgin Saint-Gobain Chemware ® PTFE boiling stones promote gentle, efficient boiling and help prevent overheating, even of highly volatile liquids. Ideal for continuous extraction methods.…

High purity, amphoteric alundum, specially treated with selenium for use in determination of amino and cyanide nitrogen. Ten mesh granule size, iridescent bluish black color. Specific gravity 4.10. Selenium as a solid is relatively nontoxic. Its vapor or fumes are highly toxic. 5 year industry…

High purity, white, amphoteric alundum granule. Extremely hard porous surface. Will not crumble or "powder". Four mesh granule size. Specific gravity 3.97. 5 year industry leading warranty In any laboratory procedure involving the boiling of a liquid, inert and insoluble,…

High purity, amphoteric alundum, specially treated with selenium for use in determination of amino and cyanide nitrogen. Four mesh granule size, iridescent bluish black color. Selenium as a solid is relatively nontoxic. Its vapor or fumes are highly toxic. TLV 0.2 mg/cubic meter. Specific gravity…

Boiling Chips, also known as boiling stones, are tiny pieces of an inert substance added to certain liquids to help them boil more calmly. Ungraded products supplied by Spectrum are indicative of a grade suitable for general industrial use or research

Mesh size: 14 mesh

Mesh size: 20 mesh