__________ is a type of molding in which thermoplastics are heated above melting temperature and, using an extruder, are forced into a close

Question

__________ is a type of molding in which thermoplastics are heated above melting temperature and, using an extruder, are forced into a closed die to produce a molding.

a. Injection molding
b. Blow molding
c. Thermoforming
d. Extrusion

in progress 0
Linh Đan 6 months 2021-07-15T01:17:47+00:00 1 Answers 4 views 0

Answers ( )

    0
    2021-07-15T01:19:43+00:00

    Answer: The correct and is

    D. Extrusion

    Explanation:

    What is extrusion?

    Extrusion is a manufacturing process used to make basically pipes and hoses.

    The pvc granules are melt into a liquid which is forced through a die, forming a long ‘tube like’ shape. The shape of the die determines the shape of the tube.

    The extrusion is then cooled and forms a solid shape

    Extrusion moulding is used to create products with a consistent cross-section.

Leave an answer

Browse

Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )