Common Defects and Solutions of Rubber Molded Products
Defects
The reason what is happened
How to solve
Bubble (also called “trapped air ”
The molding material solidifies the incomplete air not to discharge the mold temperature to be too high, causes the material certain ingredient to vaporize or decompose
Increasing the temperature of the mold or prolonging the holding time, increasing the number of exhausts and reducing the temperature of the mold
Missing material
Die fit clearance is too large or overflow hole too large release agent dosage too slow or too fast
Adjust die […]