Scottish milk supplier and distributor Robert Wiseman Dairies has announced plans to roll out a new generation of tinted milk bottle caps.

According to the company, the product solves the problem of discolouration caused by caps being mixed in with clear plastic bottles during recycling as they contain a different type of pigment, causing less colour change.

Robert Wiseman Dairies managing director Billy Keane said the caps would help the industry to meet its target of having recycled plastic account for 30% of all plastic used in milk bottles by 2015.

The move follows a WRAP report, which recommended tinted caps as a quick win in increasing the use of recycled plastic.

Robert Wiseman Dairies is the first processor to introduce the caps, and will complete its rollout across all own-label and branded milk bottles in October this year.