The extrusion process is to achieve the purpose of extrusion and preliminary modeling of the rubber material through the action of the barrel wall of the extruder and the screw part. The extrusion process is also called the extrusion process.
The main equipment of the extrusion process is an extruder. The extrusion characteristics of several rubbers:
Natural rubber is extruded fast, and the shrinkage rate of semi-finished products is small. The body temperature is 50-60℃, the nose is 70-80℃, and the mouth shape is 80-90℃;
SBR has slow extrusion speed, large compression deformation, rough surface, body temperature 50-70℃, machine head temperature 70-80℃, mouth temperature 100-105℃;
The neoprene rubber does not need to be fully heated before extruding, the body temperature is 50°C, and the mouth shape is 70°C;
Ethylene propylene rubber has fast extrusion speed, small shrinkage rate, body temperature 60-70℃, machine head temperature 80-130℃, mouth shape 90-140℃.
Nitrile rubber has poor extruding performance, so it should be fully heated when extruding. The body temperature is 50-60℃, and the head temperature is 70-80℃.
The above is about the extrusion process and the related finishing of the extrusion process. I hope everyone has a deeper understanding of the extrusion process and the extrusion process. When choosing silicone products manufacturers in the Guangdong region, give priority to Shenzhen Ruibo Rubber Products Factory's 10-year-old factory. Efficient.