11. They are however expensive when compared to the synthetic polymers . 12. Varieties of each synthetic polymer product may exist, for purposes of a specific use. 13. The Goodyear Chemical unit specializes in synthetic polymers and resins. 14. For the sensor, the scientists are creating synthetic polymers called dendrimers, layer by layer. 15. The separator is made of a non-woven layer of cellulose or a synthetic polymer . 16. These fiber types are chemically different, corresponding to proteins, carbohydrates and synthetic polymers , respectively. 17. Today, most sutures are made of synthetic polymer fibers. 18. Synthetic polymers are easily customizable and can be tailored for specific functions such as biocompatibility.19. Artwork : Vivienne Binns, " Vag dens ", synthetic polymer paint and enamel on composition board. 20. For polymer-bonded explosives, various synthetic polymers are used.