Classification and characteristics of glass bottle accessories

The following is an introduction to the classification and characteristics of glass bottle accessories, covering common types, functional characteristics and application scenarios, to help you fully understand the details of glass bottle accessories: 
I. Bottle cap accessories 
1. Screw cap (threaded cap) 
Characteristics: Sealing is realized through the threaded bite of the bottle body and the cap, with strong sealing, which can be opened and closed repeatedly, and is easy to use.
Material: mostly plastic (such as PP, PE), metal (aluminum, iron) or glass (with rubber sealing ring).
Application: Widely used in cosmetic, medicine, food and other glass bottles, such as cream bottles, flavor bottles.
2. Snap cap (Lift cap / Flip cap) 
Characteristics: Fixed to the bottle mouth by snap structure, lifted directly when opening and locked by slot when closing, easy to operate and suitable for frequent access.
Material: mainly plastic, lightweight and low cost, some high-end products will use metal to enhance the texture.
Application: Commonly used in shampoo, shower gel bottles, or small capacity cream bottles.
3. Pressing Pump Head Cap 
Features: Control the liquid/cream outflow by pressing the pump head, avoiding direct contact with the product, good hygiene and controllable dosage.
Material: the main body of the pump head is plastic, the internal piston structure is mostly PE or PP, some high-end products will be accompanied by metal decorative parts.
Application: suitable for lotion, essence, shampoo and other products with good fluidity.
4. Cork cap (cork, rubber stopper) 
Characteristics: The elasticity of the stopper is used to tightly fit the bottle mouth, with good sealing, and some of the corks have a vintage texture.
Material: cork, rubber, silicone, etc. Rubber / silicone stopper sealing is stronger, cork is mostly used for decorative packaging (such as aromatherapy bottles).
Applications: wine bottles, essential oil bottles, aromatherapy glass bottles and so on.
Bottle accessories 
1. Inner stopper (dust plug, spacer plug) 
Features: Placed on the inside of the bottle mouth to prevent product spillage, prevent dust or control the flow, mostly made of plastic or foam.
Applications: cosmetic bottles (e.g. plastic stopper in cream bottles), medicine bottles (to prevent powdered products from spilling). 2. aluminum foil sealing film
2. Aluminum foil sealing film 
Characteristics: Fixed at the mouth of bottles by heat sealing technology, completely sealed before opening to ensure product freshness, with anti-counterfeiting function.
Material: Aluminum foil + PE composite film, need to be torn or pierced to use.
Application: milk powder cans, medicine bottles, high-end cosmetic bottles.
3. Bottle top threaded ring (guard ring) 
Features: Fixed on the outside of the bottle top to enhance the strength of the threads and prevent the bottle from abrasion when the cap is screwed, mostly made of plastic.
Application: large-capacity glass bottles (such as beverage bottles, reagent bottles).
Third, functional accessories 
1. Pump head (pressure pump, vacuum pump) 
Features: 
Pressure pump: squeeze out the product through air pressure, suitable for lotions, shampoos, etc., the cost is low; 
Vacuum pump: the use of vacuum negative pressure principle, to avoid contact between the product and the air, the effect of freshness is good, suitable for skin care products with high active ingredients (such as serums).
Material: plastic-based, vacuum pump internal structure is more precise, higher cost.
2. Dropper (glass dropper, plastic dropper) 
Characteristics: used for precise liquid extraction, to avoid waste caused by direct pouring, strong hygiene.
Applications: essential oil bottles, essence bottles, oral liquid bottles.
3. Spray nozzle 
Features: atomize the liquid and spray it out, easy to use, even coverage, mostly made of plastic or metal.
Applications: lotion, moisturizing spray, perfume glass bottles.
Fourth, decorative accessories 
1. Bottle stickers (labels, nameplates) 
Features: Used to identify product information (such as name, ingredients, methods of use), the material includes paper, foil, PVC, etc., can be customized to print patterns to enhance the aesthetics.
Application: Packaging labeling for all types of glass bottles. 2.
2. Metal Ring / Decorative Cap 
Features: Mostly made of metal (e.g. aluminum, copper), it is put on the mouth or body of the bottle to increase the sense of luxury, and some of them are engraved with brand LOGO.
Application: High-end cosmetic bottles, perfume bottles, gift packaging bottles.
3. SATIN SATIN / VELVET COVER 
Characteristics: Wrap around or wrap around the bottle to enhance the texture of the package, commonly used in gift bottles (e.g. perfume, essential oils).
Material: silk, velvet, twine, etc.
V. Special Scene Accessories 
1. Anti-children's opening cap (safety cap) 
Characteristics: need to press and rotate at the same time in order to open, to prevent children from accidentally touching, mostly double-layer plastic structure.
Applications: medicine bottles, detergent bottles.
2. Pressure Balancing Valve (Ventilation Valve) 
Features: Used for volatile or gas-producing products (e.g. fermented foods), to prevent excessive pressure inside the bottle and to maintain internal and external air pressure balance.
Material: plastic + breathable membrane (e.g. PTFE).