It has a spout that is resistant to liquid dripping. Due to the uniform thickness of the bottom achieved through blow molding, there is less heat unevenness, which promotes the evaporation of solvents.
There are crystal dishes available in sizes ranging from φ60 to φ150. H-32: HARIO-32 is a borosilicate glass with a low expansion coefficient, completed after years of research. It is a glass that meets the "Borosilicate Glass-1" standard specified by JIS, exhibiting excellent chemical durability and heat resistance. It does not contain any heavy metals such as lead, zinc, or cadmium, nor does it use sulfurous acid or antimony, which are typically used as bubble agents in ordinary glass. Due to its low expansion coefficient, it has high heat resistance that can withstand a temperature shock of 250 degrees with minimal expansion and contraction from heating and rapid cooling.
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basic information
HARIO's heat-resistant glass has been produced since 1972 in a "smokeless factory." This was made possible by the successful development of Japan's first direct electric melting furnace for glass, a unique technology that melts glass raw materials using electricity instead of heavy oil. It changed the common perception of glass factories at the time, which were known for severe smoke and dust pollution, and created a workplace environment that took into consideration both the surrounding environment and the employees working inside the factory.
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Applications/Examples of results
There is a long history of use in national public offices, research institutes, schools, and manufacturing companies. When heating, please avoid localized overheating. If heating substances with low boiling points or flammable materials, please use a water bath. When handling heated glass, always use heat-resistant gloves or specialized tongs to prevent burns. When used under reduced pressure, round-bottom flasks, pear-shaped flasks, and Kjeldahl flasks are used for chemical reaction tests and reduced pressure distillation tests. However, please check for any "scratches," "distortions," or "uneven thickness" before use. Avoid using flat-bottom flasks or triangular flasks, as their structural strength is weak.
Line up（6）
| Model number | overview |
|---|---|
| K-60 | Crystallization dish φ60 |
| K-75 | Crystallization dish φ75 |
| K-90 | Crystallization dish φ90 |
| K-100 | Crystallization dish φ100 |
| K-120 | Crystallization dish φ120 |
| K-150 | Crystallization dish φ150 |
Company information
We are a company specialized in supplying "transparent, corrosion-resistant, and heat-resistant glass materials" manufactured by HARIO. Utilizing the know-how we have cultivated since HARIO's founding regarding heat-resistant glass, we propose heat-resistant glass materials that are "safe and secure" and have "high durability against scientific corrosion, strong acids, alkalis, and thermal applications." Our production facility is located in Koga City, Ibaraki Prefecture, and we offer the best cost performance in the industry within Japan, achieving short delivery times. Additionally, we strive to build long-lasting and deep business relationships so that our clients can easily consult with us anytime after delivery.
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