Determination of acidity and alkalinity: According to the ratio of (CaO+MgO)/(SiO 2 +Al 2 O 3 ) in the ore, the acidity and alkalinity of the ore can be determined. (CaO+MgO)/(SiO 2 +Al 2 O 3 ) value Ore nature <0.5 Acid ore 0.5-0.8 Semi-self-melting ore 0.8-1.2 Self-fluxing ore >1.2 Alkaline ore
All of the children items is BPA free and food grade, to try the best to provide the good quality items.
Customized color, or OEM items also available, welcome to contact me or sent me inquiry.
Children Bowl, baby feeding bowl, silicone baby feeding bowl with suction base, silicone children dinner plate, silicone baby feeding bowl set Jiangmen Wellway Houseware Co.,Ltd , https://www.jmwellwayhouseware.com
We have many different kinds of children feeding items, such as bowl, dinner plate ,spoon and so on.
Some kinds is stainless steel with silicone suction base, some is whole silicone material.