What is plastic twin neck bottle

What is plastic twin neck bottle
The plastic twin neck bottle is one bottle with two neck.The twin neck bottle are typically used to store liquids such as water,beverages,disinfector,pesticides, soaps, lubricants,concentrated cleaners and fuel.So this plastic twin neck bottle is used widely in the world,for example,drinks,disinfector,liquid medicine,fuel and so on.
Production
The plastic twin neck bottle is made of HDPE and LDPE.
High-density polyethylene (HDPE),HDPE is the most widely used material for plastic twin neck bottles. This material is economical, impact resistant, and provides a good moisture barrier. HDPE is compatible with a wide range of products including acids and caustics but is not compatible with solvents.HDPE is naturally translucent and flexible.HDPE lends itself to silk screen decoration.
Low-density polyethylene (LDPE),LDPE is similar in composition to HDPE. It is less rigid and generally less chemically resistant than HDPE, but is more translucent. LDPE is used primarily for squeeze applications. But LDPE is significantly more expensive than HDPE.
The produced process of plastic twin neck bottle.
This double neck bottle has unique shape,so this plastic double neck bottle is generally made by injection molding process.Injection molding is a manufacturing process for producing parts by injecting molten material into a mould.
So you can customized the size and shape of the plastic twin neck bottle according to your requirements.
The structure of the plastic two neck bottle.
The two neck bottle has one more neck compared with ordinary plastic bottle.The following is the structure picture.

This style bottle has two chambers, one for storing and the other for measuring exact doses. The second chamber is designed to eliminate additional measuring by providing precise pouring every time.
The common size of plastic twin neck bottle

1. 100ml capacity with 5ml dosing chamber
2. 120ml capacity with 10ml dosing chamber
3. 250ml capacity with 25ml dosing chamber
4. 500ml capacity with 25ml dosing chamber
5. 500ml capacity with 30ml dosing chamber
6. 500ml capacity with 100ml dosing chamber
7. 1000ml capacity with 50ml dosing chamber

So you choose the twin neck bottle,you not only pay attention to the capacity,but also need pay attention to the dosing chamber.
The advantages of plastic two neck bottle

1. the two neck bottle has dosing chamber which can take place of measuring cup,so if you have a twin neck bottle,you don't require measuring cap and worry lose the measuring cap
2. the two neck bottle is used easily,you can get the suitable liquid with one hand

How to use the twin neck bottle?
The twin neck bottle make dosing and dispensing simple and convenient! With just a single hand, users can measure and pour with ease.
To use these dispensing bottles, simply loosen cap from dispensing chamber. Gently squeeze the bottle to fill measuring chamber with required amount of liquid. Remove cap from dispensing chamber and easily pour measured fluid from the chamber.
How to choose the twin neck bottle?

1. choose the suitable capacity and dosing chamber
2. choose the suitable material LDPE or HDPE according to the liquid which you will fill in.
3. you need observe the surface of the twin neck bottle