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Silicone Rubber Stoppers for Test Tube

Silicone test tube stoppers are often used in conjunction with glass test tubes. The high-quality foamed silica gel is selected, which has good thermal oxygen resistance, high and low-temperature resistance, and excellent resilience. Please contact us if you need it.

Description of Rubber Stoppers for Test Tube

Foamed silica gel has good thermal oxygen resistance, ozone resistance, high and low-temperature resistance, and weather resistance, as well as excellent resilience and insulation, and is also widely used in medicine. A foam silicone stopper is often used in conjunction with glass test tubes.

Product Features

1. Made of food-grade silicone, environmentally friendly, non-toxic, chemical-resistant, and durable.

2. Smooth tapered sides are designed for excellent sealing and optimal fit with various openings.

3. High-quality stoppers are ideal for closing test tubes, laboratory vials, and containers.

4. It has good elasticity, insulation, water impermeability, and air permeability.

5. Good corrosion resistance to acid and alkali

6. Ideal for laboratory, home, and industrial use.

Specifications of Silicone Stopper

Product Name Silicone stopper
Origin China
Certifications FDA, CE, ISO
Usage Reusable or Disposable
Shape Cone
Material Foamed silicone
Size Φ10(8-12); Φ11(9-13); Φ12(10-14); Φ13(11-15); Φ15(13-17); Φ16(15-18); Φ18(16-19);

Φ20(18-22); Φ22(20-24); Φ25(23-27); Φ28(26-30); Φ30(28-32); Φ32(30-34)

Color Various colors