Sehon st19 led bulb is made of clay and other inorganic nonmetallic minerals which are guaranteed to be free of lead, cadmium, and other heavy metal elements. It is perfect for kids who are starting to learn to blend colors
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The raw materials of Sehon st19 led bulb are finely processed in a ball grinding mill to triturate to more fine and smooth powder to make sure high-quality and exquisite product. It is the most popular choice for DIY and professionals
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Sehon st19 led bulb has achieved quality management system certification in accordance with both domestic and international standards in regards to porcelain manufacture. It is able to retain its color and gloss over time
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Regarding the appearance treatment, Sehon st19 led bulb meets the domestic quality standards for porcelain. There are no more than two flaws including glaze peels, crack, dark spot, and bubble. It is perfect for kids who are starting to learn to blend colors
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From the selection of raw material of Sehon st19 led bulb to burnishing, body repairing, glazing, and sintering, quality management is conducted throughout every stage. It comes with excellent color accuracy
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Core key words] It is made of high-quality raw materials fired at high temperature, with low water absorption, good thermal stability, lead-free and cadmium-free, safe and reliable quality, you can buy and use with confidence.