Hypernuclear » HKS WC

Forgot to bring optical grease to JLab but Nishida found the one Akiyama might use in 2019 to measure the NPE of WC in JLab.

Compared the JLab one to Hongo one.
JLab one :
https://www.bioz.com/result/bc%20630%20silicon%20optical%20grease/product/Saint%20Gobain
Hongo one :
https://eljentechnology.com/products/accessories/ej-550-ej-552

the difference in index:
1.465 in JLab & 1.46 in Hongo

-->Desided to prepare WC with the grease