Question

4. Synthetic slate is made from:
a) Isoprene
b) Fibre cement
c) Plastic fibres
d) Resin
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Answer 1

Answer:

They're made by injection-molding petroleum-based materials into metal forms that are cast from authentic slate. Some brands of synthetic slate shingles are manufactured with virgin rubber or plastic, while other products incorporate recycled rubber or plastic, mineral dust or cellulose fibers.

Answer 2

Answer:

plastic fibres and injection molding petroleum based materials