Vinyl esters, urea-formaldehyde (UF) , phenolics, polyesters, and some dispersion polymers are made cellular by utilizing ____ methods.
A) mechanical
B) microballoon
C) vaporization
D) blowing
Correct Answer:
Verified
Q3: Cellular plastics with an integral skin are
Q4: Extruded polyvinyl materials, which may be expanded
Q5: Fillers that are added to artificial turf
Q6: The _ properties of cellular materials are
Q7: In _ processing, the heated melt is
Q9: An expanded plastics is similar to a
Q10: The most popular and economical method used
Q11: In one of the processes of high-pressure
Q12: In molding, which part is represented by
Q13: What type of product is made by
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