Q = What materials are the cap and liner made of?
A = The caps are made from urea and the liners from LDPE.
Q = What size is the opening at the top of the bottle?
A = The opening is 19mm (internal) with an external diameter of approx. 28mm. The caps are made from urea with a LDPE liner.
Q = What size is the screw thread of the neck?
A = These bottles have an R6/31 thread.
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