Buried PVC wire tubing (heavy) is a rigid flame retardant tube or a semi rigid flame retardant tube?
Flame retardant rigid pipe, also called PVC cold wire tube, divided into light, medium and heavy, pipeline length is 4 meters each, the color is white and white two, bending need special bending spring, connected by a special joint with plastic bonding, Kazakhstan, industrial occasions, generally we do not have this
Semi hard plastic tube, Department of PVC resin and plasticizer, stabilizer and other auxiliary agent, by extrusion molding, suitable for electrical and fluid conveying pipe casing, can be used to protect the wire and cable etc. under normal temperature. The tube is provided with the length of not less than 10 meters. The colors are white, yellow, red, blue, black and ecru. The pipe connections are generally made of plastic sleeves, glued and bent freely, without heating