Outdoor PU Rb Milita Ry Boot Soles Safety Shoe Sole

RB is the abbreviation of English rubber; hot compression molding is divided into natural rubber and recycled rubber. It is heavy and not resistant to oil. When molding the bottom, the fitting surface must be roughened. It is easy to shrink when heated and the color is inconsistent.
 
Advantages: good wear resistance, non-slip, elastic, not easy to break, good softness, good extensibility, stable shrinkage, good hardness, good bendability, waterproof.
 
Disadvantages: heavy, easy to spit out frost (a quality issue), not easy to corrode (environmental issue); not hard, easy to be punctured; poor air permeability and hygroscopicity, afraid of oil immersion, not suitable for contact with oil in car gas stations and other places Place to wear.
 
Rubber foaming
 
It is lighter in weight than rubber soles and smells of rubber. When pressed with fingers, the surface rebound is more obvious than ordinary soles, and the wear resistance is poor.
 
High-pressure polyethylene rubber sole
 
The soles are made of high-pressure polyethylene and rubber as the main components. Rubber and plastic are used together.
 
Raw rubber sole: heavy, more expensive, not resistant to oil and heat. Easy to discolor.