Description
RTO (regular twistoff)
Easy to use metal RTO lid, secures onto your glass jar swiftly with a quick twist of the wrist. Complementing the clarity and visually appealing nature of glass packaging products, these caps are available in two popular colours. Glass is fast becoming a favoured choice for sustainable food packaging options with the ability to be infinitely recycled. It is a food grade packaging product that will not leach any chemicals into whatever products are packaged in it so consumers and manufacturers can use with confidence.
- Suitable for sterilization heat treatments up to 121ºC for 30 minutes
- Interior protection: double coat polyester and adhesive lacquer for acid and alkaline resistance
- External finish: polyester basecoat and varnish, customised printing available in various colours (MOQ’s apply)
- Free from BPA, PFAs and ESBO
- Manufacturing process complies with FSSC 22000, ISO 9001:2015 and HACCP
Caps/cartons should be stored in a cool and ventilated place in conditions with the temperature below 26ºC, relative humidity below 70% and without direct exposure to sunlight.
Capping Instructions:
- Warm the lids in steam to 100° C or pour boiling water over the caps and leave for 10 minutes. This makes the seal ring on the inside of the lid more malleable and improves the seal
- Tighten the lid to a maximum of halfway across the thread
- Leave the capped jar upright overnight to form a proper seal against the neck of the jar before checking for leaks or lying flat to apply the label
- Note, button caps (RTB) require hot contents in the jar to form a vacuum. This causes the button on the cap to be pulled down as the contents cool.