Qimei ABS characteristic information

Description :

　　Detailed introduction of Qimei ABS

　　1. Amorphous materials, with moderate fluidity, absorb a large amount of moisture and must be thoroughly dried. The required plastic parts on the surface must be preheated and dried at 80-90 degrees Celsius for a long time of 3 hours.

　　2. Use higher material temperature and higher mold temperature, but the material temperature is too high and easy to decompose (decomposition temperature is 270 degrees). For plastic parts with higher precision, the mold temperature should be between 50-60 degrees, which is quite high. The mold temperature should be between 60-80 degrees.

　　If the problem of water collection needs to be solved, it is necessary to improve the flowability of the material, use higher material temperature, higher mold temperature, or change the water level [2].

　　If heat-resistant or flame-retardant materials are formed, plastic decomposition products will remain on the surface of the mold after 3-7 days of production, making the mold surface shiny. The mold must be cleaned in a timely manner, and the exhaust surface should be added to the mold surface.

　　Characteristics of Qimei ABS:

　　1. Good comprehensive performance, high impact strength, chemical stability, and good electrical performance.

　　2. It blends well with 372 organic glass and is made of two colors of plastic. The surface can be chrome plated and painted.

　　3. It has high impact resistance, high heat resistance, flame retardancy, reinforcement, transparency and other grades.

　　4. The fluidity is slightly worse than HIPS, but better than PMMA, PC, etc., and the flexibility is good.

　　Qimei ABS has good toughness

　　1. Amorphous materials, with moderate fluidity and high moisture absorption, must be thoroughly dried. The required plastic parts on the surface must be preheated and dried at 80-90 degrees Celsius for 3 hours.

　　2. It is recommended to use higher material temperature and higher mold temperature, but the material temperature is too high and easy to decompose (decomposition temperature is 270 ℃). For high-precision plastic parts, the mold temperature should be 50-60 degrees; For high heat-resistant plastic parts, the mold temperature should be 60 degrees Celsius? 80 ℃.

　　If the problem of water accumulation needs to be solved, it is necessary to improve the flowability of the material and use methods such as higher material temperature and higher mold temperature or changing the water level.

　　Factors affecting the uniformity of resin mixtures

　　Under the influence of room temperature, the viscosity of liquid resin changes with the variation of room temperature. When the room temperature is too low, the viscosity of liquid resin increases relatively, making it difficult to mix the material evenly; Excessive room temperature, although beneficial for mixing, can make the material too wet and hinder molding. Keep the room temperature at 20-25 ℃.

　　2. The impact of feeding sequence. Improper feeding sequence can lead to uneven mixing. If powdered resin is added before the wetting agent, it will bond into small adhesive groups and affect the uniform distribution of the adhesive. Therefore, powdered resin must be added after mixing.

　　3. The influence of mixing time: If the mixing time is too short, the mixing will be uneven. If the mixing time is too long, the mixing can be more uniform. However, if the time is too long, it will cause (a) an increase in the number of friction particles between the liquid resin abrasive mixture and the generation of heat, making the mixture too viscous to form (2). The powdered resin mixture agglomerates and loses its looseness, and cannot form.

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