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Neck Finishes
CT (continuous thread)
Closure requiring full rotation to be opened and closed.
Used for: Liquids, chemical products, VMS, food
TO (twist off)
Twist off closure opened with a short rotation and mainly used in the food sector in combination with glass products.
Used for: Mainly food sector
MTO (Medium TO)
The medium Twist Off is a cap with height between TO and DTO
Used for: Mainly used in the food market
DTO (Deep TO)
The Deep Twist Off is the “deepest” cap which gives a premium look to your product.
Used for: Mostly used in the food sector with glass jars for premium appearance.
CRC (Child resistant closure)
Special CT closure which must be pushed down and turned simultaneously for opening. Safe system which stops children accessing the product.
Used for: Any product which requires some child protection like VMS, cleaning products, detergents, most chemical products
TE (Tamper evident)
Closure offering visible proof of opening by breaking a safety rim on first use.
Used for: Any product which requires a proof of opening.
CRC/TE
Child resistant closure AND tamper evident rim. Required for specific markets.
Used for: Any products which requires child protection as well as proof of opening
ROPP (Roll on Pilfer Proof) / PP (Pilfer Proof)/ PFP
Aluminum caps offering a tamper evident rim with EPE liner
Used for: Wines, spirits, waters, soft drinks, carbonated drinks, food, pharma
DIN18
German based norm for dropper bottles with neck finish allowing addition of specific dropper, pipette and caps
Used for: Pharma, essential oils, alcoholic solution, e-liquids
GL 18/20/22
French version of the DIN neck finish
Used for: Pharma, essential oils, alcoholic solution, e-liquids
HG (Hinged)
Specific neck finish fitting snap on cap, may have a tamper evident rim
Used for: Pills, tablets, pharma & parapharma products, chewing gum, confectionery
GPI/GCMI
US norm with 2 separate numbers. The “400” numbers indicate the height of the neck finish and the second one the diameter of the neck finish.
Used for: Mainly used in cosmetic or parapharma and with pump, pourer, dispenser, dropper, etc.
PS22
PS liner is a foam sheet inserted into caps. When the cap is closed, the sheet is pressed against the rim of the container edge and sealing is activated.
IHS
Common liner, sealed to the container by induction heat. Perfect for protecting flavors, oil or powdered products.
