what is milk of magnesia

{"cid":"91222689","title":"Milk Of Magnesia Magnesium Glycinate Supplements for Antacid And Laxative Drugs","imgUrl":"https:\/\/img.ismap.com\/nimg\/c2\/b9\/baa5337f566e9985ae583d9216a6-200x200-1.jpg","attrs":{"Price":"3-10USD Free Shipping","Brand Name":"YOULEVHONG","Model Number":"milk of magnesia","Minimum Order Quantity":"10PCS","Delivery Time":"5-15days","Certification":"FDA,ISO,NSF BRC GOED Muslim SGS","Place of Origin":"CHINA","Payment Terms":"Western Union,MoneyGram,T\/T,L\/C","Supply Ability":"5000pcs\/Day","Packaging Details":"500pcs","Allergen Information":"Contains Fish (Tilapia)","Source":"Grass-fed Bovine","Other Ingredients":"Gelatin, Magnesium Stearate","Function":"Beauty Product","Amino Acid Profile":"Contains 18 Amino Acids","Calories Per Serving":"30","Solubility":"Easily Dissolves In Hot Or Cold Liquids","Particle Size":":100% Pass 80 Mesh","Flavor":"Unflavored","Storage":"Store in a cool, dry place","Certifications":"Non-GMO, Gluten-Free, Kosher","Calories":"40"}}

{"cid":"91221035","title":"Alumina Block for Milk Pasteurization Magnesia Chrome Bricks Industrial Heat Exchanger","imgUrl":"https:\/\/img.ismap.com\/nimg\/cd\/3d\/990f8c278b418484c6cdbfde99c5-200x200-1.jpg","attrs":{"Price":"$800.00 - $1,500.00\/tons","Brand Name":"HongTai","Model Number":"HT","Place of Origin":"Henan, China","Shape":"Brick","Material":"Alumina Block","SiO2 Content (%)":"\/","Al2O3 Content (%)":"80","MgO Content (%)":"\/","CaO Content (%)":"\/","Refractoriness (Degree)":"1770\u00b0< Refractoriness< 2000\u00b0","CrO Content (%)":">12","SiC Content (%)":"\/","Processing Service":"Bending, Welding, Punching, Decoiling, Cutting, Moulding","Product name":"Heat Exchanger For Milk Pasteurization","Raw material":"Al2O3","Size":"Customized Size","BULK DENSITY":">3.35g\/cm3","Refractory under load (RUL)":">1700","APPARENT POROSITY":"<18%","Cold Crush Strength":"120MPa"}}