20mm Rubber Stopper

(Serum Stopper, Antibiotic Stopper)

Descriptions of 20mm Halobutyl Rubber Stopper (Serum Stopper, Antibiotic Stopper)
1. Color: Grey, Red, Black
2. Function: Primarily used in pharmacy packaging, namely used as injection vials Stoppers, including serum closures, antibiotic closure etc.
3. Raw materials: Bromohalobutyl rubber from Exxonmobil Chemical

Advantages of 20mm Serum Stoppers, Antibiotic Stoppers:
1. Excellent sealing properties and self-sealing properties.
2. Good chemical stability.
3. Good sterilizing properties under high temperature or by radiation.
4. Outstanding water-proof and damp-proof performance.
5. Good acid and alkali resistance as well as good resistance to other chemical interferences.

Packing of 20mm Halobutyl Rubber Closure:
2 plastic bags in each carton, 33-34 cartons on each pallet-carton:
Plastic bag: (1) containing 5,000 pcs vial seals; (2) Dimension: 65×55cm
Carton box containing 10,000 pcs rubber bottle Stoppers
Pallet-cartons dimension: 156×111×107cm.

Parameters of 20mm Halobutyl Rubber Stopper (Serum Stopper, Antibiotic Stopper):
1. 20-A
Inner-diameter: 13.2 +/- 0.1mm;
Outer-diameter: 18.8 +/- 0.2mm;
Crown Thickness: 3.3 +/- 0.2mm;
Total thickness: 8.8 +/- 0.25mm.

2. 20-B
Inner-diameter: 13.0 +/- 0.1mm;
Outer-diameter: 18.8 +/- 0.2mm;
Crown Thickness: 3.3 +/- 0.2mm;
Total thickness: 8.8 +/- 0.25mm.