Question

The number inside the resin code of a substance helps us to identify the _______ of plastic it is made of.

• A. colour
• B. size
• C. type
• D. shape

Answer 1

The correct option is C type

Resin identification codes are set of symbols used to identify the plastic resin with which a plastic product is made of. Shown below are the numbers in the resin codes along with their corresponding type of plastic.

$\begin{array}{cc}\text{Number}& \text{Type of plastic}\\ 1& \text{Polyethylene Terephtalate (PET, PETE)}\\ 2& \text{High Density Polyethylene (HDPE)}\\ 3& \text{Polyvinyl Chloride (PVC)}\\ 4& \text{Low Density Polyethylene (LDPE)}\\ 5& \text{Polypropylene (PP)}\\ 6& \text{Polystyrene (PS)}\\ 7& \text{Others}\end{array}$