How to solve the dull surface of injection molded parts?

 Low gloss means that the surface is dull and dull, and the transparency of transparent products is low. There are many reasons for poor gloss. Mould manufacturers   ,General product surface gloss defects can be divided into the following three types: plastic mold failure, improper molding conditions, improper use of raw materials.


If there are scratches, corrosion, micropores and other defects on the surface of the plastic mold, it will be copied to the surface of the plastic part, resulting in poor gloss. The surface of the mold cavity must be kept clean, and oil and water stains must be removed in time.


Insufficient raw materials can also lead to poor surface gloss of plastic parts.

Discoloration of raw materials or colorants resulting in poor gloss. High temperature resistant raw materials and colorants should be used.


If the injection speed is too fast or too slow, the injection pressure is too low, the pressure holding time is too short, the boost pressure is not enough, etc., these conditions may lead to poor surface gloss of the plastic part.



like:

How to deal with the deformation of injection mold? User avatar anselme    


The relationship between injection molding material and time    

What factors will affect the life of plastic molds?   

Comments

Post a Comment

Popular posts from this blog

Can e-cigarette quit smoking effectively?

E-tobacco cigarettes also have smoking, and long-term cigarette smoking could also make people habit forming. vape online  As a result, though e-cigarettes appear to be able to stop smoking, they will likely only create another kind of habit, which is out of the question to completely dependence. To get rid of cigarettes, e-cigs generally cannot make people give up smoking successfully. If you want to stop smoking cigarettes, it is greatest not to use e-cigarettes as an alternative, since you really be dependent by yourself self-control to quit smoking cigarettes. Provided that you get the determination to quit smoking cigarettes oneself, it is best. like： Advantages of e-tobacco cigarettes in comparison to cigarettes The distinction between e-cigarettes and tobacco cigarettes E-cig or actual smoke which hurts the lung area
Read more

What is the method of using the rapid self-test kit

1. Preparation  rapid self test Wash your hands with running water or hand sanitizer. After cleaning your hands, unpack the antigen test card and place it in a flat and clean place. Learn about the testing process. Carefully read the supporting instructions of the antigen self-test reagent and related precautions for antigen self-test, check whether the antigen self-test reagent is within the shelf life, and check whether the contents of the nasal swab, sampling tube, test card, etc. are missing or damaged. 2. Sample collection Carefully unpack the nasal swab and avoid touching the swab head with your hands. Then tilt your head slightly, hold the tail of the swab in one hand and stick it into one nostril, slowly go back along the bottom of the lower nasal passage for 1-1.5 cm, then stick it to the nasal cavity and rotate it at least 4 times (stay for no less than 15 seconds), then Repeat for the other nasal cavity using the same swab. It should be noted that the antigen detection is th
Read more