Plastic extruder is divided into twin-screw extruder and single screw extruder, and more rarely seen and non-screw extruder screw extruder

Melamine plastic tableware, also known as melamine tableware, melamine resin powder by the heat and pressure pressing. Its lightweight, attractive, low-temperature capability, Naizhu, unbreakable and other properties, are widely used in fast food and children’s catering use.
As the melamine powder price high, so some unscrupulous business for the pursuit of profit, direct use of urea-aldehyde molding powder as raw material to produce; some of the aldehydes with urea molding powder as raw material, do the dishes after the the outer surface coated with a layer of melamine powder. Tableware made ​​with urea-formaldehyde, is harmful to humans. Consumers purchase, first go to a regular store, supermarket to buy, do not be cheap, buy at the flea market; Second, purchase equipment to see whether there is significant distortion, chromatic aberration, the surface is smooth, the bottom No injustice, decals are clear, whether wrinkles and bubbles, colored with a white napkin melamine dinner set wipe back and forth whether there is fading and so on.
For: food (fast food) chains, food court, University of (university) canteens, hotels, enterprises and canteens, advertising gifts. As the special nature of the molecular structure of melamine plastic, melamine tableware is not suitable for use in the microwave oven, if using the cracking phenomenon will occur. Melamine plastic tableware cleaning use a soft cloth over, do not use scouring pads, steel ball-like cloth to clean the dishes on the surface, because the scouring pad, steel wool ball will rub the surface of utensils to make it more vulnerable to contamination.