add permittivity, compressive strength and annotation for mechanical properties and seven new materials

src/data/SiO2-B2O3.json

@@ -0,0 +1,24 @@
+{
+  "Name": "BOROFLOAT® 33, Borosilicate glass",
+  "Formula": "SiO2-B2O3",
+  "Mechanical Properties": {
+    "T": ["20-25", "°C"],
+    "rho": [2230, "kg/m³"],
+    "E": [64, "GPa"],
+    "nu": 0.2,
+    "R_m": [25, "MPa"],
+    "Annotation": "T_Max<10h = 500 °C; T_Max>=10h = 450 °C"
+  },
+  "Thermodynamic Properties": {
+    "Crystal": {
+      "alpha": [3.25, "µm/m/K"],
+      "lambda": [1.2, "W/m/K"]
+    }
+  },
+  "Source": [
+    {
+      "Type": "Web",
+      "URL": "http://www.us.schott.com/borofloat/english/attribute/mechanical/index.html"
+    }
+  ]
+}