41. Unfortunately, the Sneath version of borosilicate glass, like the Sneath brand, was not promoted. 42. Iron phosphate and lead iron phosphate glass are alternatives to borosilicate glass for immobilization of radioactive waste. 43. Pyrex glass cookware manufactured by World Kitchen is made of tempered soda-lime glass instead of borosilicate . 44. Fowler shared this combination with Paul Trautman, who formulated the first small-batch colored borosilicate recipes. 45. The heart of the telescope is an f / 1.0 honeycombed construction, borosilicate primary mirror. 46. "14 " is a cast-glass pendant fastened by a borosilicate glass lamp holder. 47. Moldavite is also found to be compatible with borosilicate glass and can be fused to it with ease. 48. In addition, rather than being made of ordinary borosilicate glass, the tube is made of fused quartz. 49. Optically, borosilicate glasses are refractive indices ( 1.51 1.54 across the visible range ). 50. Organic light-emitting diode ( for display and lighting purposes ) also uses borosilicate glass ( BK7 ).
