配方类型：	CERAMICS AND GLASS
配方说明：	Optical Glass (Percent)
配方组成：	ZnO/- Heaviest Silicate Flin CaO/0.3 Na2O/- K2O/- K2O/9.1 As2O3/- Approximate/2200F Melting Range/1204C BaO/- ZnO/- Na2O/- As2O3/0.1 SiO2/47.4 K2O/10.1 As2O3/0.1 Approximate/2450-2500F Melting Range/1343-1371C (24-30 hours) Approximate/2450-2500F PbO/47.0 BaO/15.3 SiO2/46.3 Melting Range/1343-1371C (24-30 hours) Al2O3/0.2 CaO/0.3 BaO/- ZnO/- Na2O/5.0 K2O/1.1 As2O3/

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