Description
Rubber stopper is a small, tapered plug used to seal the openings of test tubes, flasks and other laboratory glassware. Stoppers made of cork are also available for this purpose. However, rubber stoppers are preferable for applications that require a tighter seal or a greater degree of chemical resistance.
Material
NR, EPDM,Silicone rubber, NBR, SBR, HNBR, IIR, CR, SIL, FKM etc
Hardness
Between 30-90 Shore A
Color
Colorful according to the requirement
Size and Design
As request
Logo and Printing
As request
Dimension Tolerance
A2
Hardness Tolerance
+/-5 shore A
MOQ
500
Certification
ISO9001,IATF16949, SGS, ROHS, FDA, REACH, etc
OEM/ODM
Welcome
Logo & Printing
According to your requirements.
Purpose
Prevent a gas or liquid from escaping its container during a scientific experiment
Prevent the contamination of samples by protecting the contents of laboratory glassware from air
Allows experimenters to shake or mix solutions without spilling them
Properties
Elasticity：Form a tight seal against the inside of the glassware
Chemical resistance：Safe for use with many corrosive and otherwise reactive compounds
Impermeability：Helps to prevent liquids and gases escaping from the container.
