Specifications

1.Size:13,20,28,32
2.Different Colors
3.ISO Certification

The aluminium caps cprresponds to ISO standard is mainly used for injection containers(including elastomeric closures).And the caps shall bge classified as follows:Type OB:Aluminium cap with central opening,and without overlapping plastics component;Type OD:Aluminium cap with complete tear-off tab,and without overlapping plastic component;Type ZB:Aluminium cap with central opening,and with overlapping plastics component;Type ZD:Aluminium cap with complete tear-off tab,and with overlapping plastic component.