Natural Rubber
Natural rubber is obtained from latex, a natural secretion of certain plants. Latex is composed of long polymer chains which must be partially broken between rollers or rotating blad...
The following are the physical properties of rubber:
· Specific gravity
· Abrasion resistance
· Tear resistance
· Compression set
· Resilience
· Elongation
· Tensile modulus
· Tensile strength
· Ha...
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BASIC INTRODUCTION OF POLYURETHANE RUBBER
The code (UR) is a polymerization of a polyester (or polyether) and a diisocyanate compound. Its chemical structure is more complex than general elastic po...
Starting in January 2020, an infectious disease called “Novel Coronavirus Infection Outbreak Pneumonia” has occurred in Wuhan, China. The epidemic touched the hearts of people all over ...