NEOPRENE (CR) Polychloroprene
Advantages: Good inherent flame resistance; moderate resistance to oil and gasoline; excellent adhesion to fabrics and metals; very good resistance to weather, ozone, and natural aging; good resistance to abrasion and flex cracking; very good resistance to alkalis and acids.
Limitations: Poor to fair resistance to aromatic and oxygenated solvents; limited flexibility at low temperatures.
Comment: Neoprene is an excellent all-purpose elastomer with a nearly ideal balance of properties and few practical limitations. General purpose neoprenes are classified in two groups: a sulfur-modified type and a mercaptan-modified type. Sulfur-modified neoprene has increased tear strength and resilience and mercaptan-modified neoprene is superior in resistance to heat and compression set.
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