3 rubber balls
3 rubber balls as follows:- butyl rubber (blue), natural rubber (red), polbutadiene rubber (yellow)
Details
- Category:
- Plastics and Modern Materials
- Object Number:
- 1978-134
- Materials:
- rubber and butyl rubber , natural rubber , polbutadiene rubber
- type:
- ball
- credit:
- ICI Ltd. (Organics Division)