American type syringe barrels

1. Specially designed vertical inner wall without slope, which can provide accurate glue discharge and prevent glue residue;
2. American dispensing syringes can be divided into 3cc-300cc according to the specifications;
3. According to the color, it can be divided into three types: transparent/amber/black;
4. Transparent syringes are suitable for general fluids, amber (brown) is suitable for UV adhesives (can shield wavelengths from 280 to 390nm), and black is suitable for light-curing adhesives with UV protection.