Assertion: glass's expansion | /r/HasProperty | ~12 ppm/k
Facets:
Source sentences:
text: The short-term goals for the development of a glass-ceramic sealant may be specified as follows: reduced B 2 O 3 concentration for good chemical stability (less than 10 mol%) while maintaining a low sintering and sealing tem­pe­ra­ture (~900°C), and a high thermal expansion (~12 ppm/K).