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1. Application
Rubber corks are used for:
Widely used in chemical, pharmaceutical, dairy, environmental, and academic laboratories.
2. Compliance Standard
(Specific regulatory compliance depends on manufacturer and material type.)
3. Product Description
Rubber corks are tapered sealing plugs made from high-quality natural rubber or synthetic elastomer. They are designed to provide a secure and leak-proof fit in laboratory glassware.
Available in:
The tapered design ensures tight sealing while allowing easy insertion and removal.
4. Technical Specifications
|
Parameter |
Specification |
|
Material |
Natural Rubber / Neoprene / Synthetic Elastomer |
|
Color |
Black / Brown |
|
Shape |
Tapered (conical) |
|
Type |
Solid / 1-hole / 2-hole |
|
Hardness |
40–60 Shore A (approx.) |
|
Temperature Resistance |
Up to 100°C (short duration) |
|
Chemical Resistance |
Moderate (not suitable for strong solvents & concentrated acids) |
|
Surface Finish |
Smooth, non-porous |
|
Reusability |
Yes |
5. Apparatus is Supplied
6. Optional Accessories
7. Common Sizes Available
Rubber corks are available in standard numbered sizes:
Size Range:
No. 000, 00, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16
(Custom sizes available on request.)
8. Dimensions & Weight (Approx.)
|
Size No. |
Top Diameter (mm) |
Bottom Diameter (mm) |
Height (mm) |
Approx. Weight |
|
0 |
12 |
9 |
20 |
5–8 g |
|
3 |
19 |
15 |
22 |
8–15 g |
|
5 |
26 |
21 |
25 |
15–25 g |
|
8 |
32 |
27 |
30 |
25–40 g |
|
10 |
38 |
32 |
35 |
40–60 g |
|
12 |
44 |
36 |
38 |
60–80 g |
|
14 |
50 |
42 |
40 |
80–120 g |
|
16 |
58 |
48 |
45 |
120–180 g |
Note: Dimensions may slightly vary depending on manufacturer.
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