配方类型:

INTRODUCTION

配方说明:

配方组成:

ammonium sulfate/10
ammonium bifluoride/15
glycerin/40
barium sulfate/15
oxalic acid/8
hot water/12

配制方法:

earm the washed glass slightly before writing on it with this fluid.
allow the fluid to act on the glass for about 2 minutes.
this is an excellent preservative for leather book bindings, luggage, and other leather goods.