| 配方类型： |
INTRODUCTION |
| 配方组成： |
lubricants, in the form of oils or greases, are used to prevent friction
and wearing of parts which are rubbed together. lubricants must be chosen
to fit specific uses. they consist of oils and fats often compounded with
soaps and other unctuous substances. for heavy duty, heavy oils or greases
are used and light oils are suitable for light duty
white petrolatum/15 oz
acid-free bone oil/5 oz
gum lubricant |
| 配制方法： |
warm gently and mix together. |
|
