Eco Friendly Rubber Bung Stopper / Silicone Rubber Plug For Test Tube Using

1: Express: S.F. ,DHL,UPS, TNT, FedEx ect, for urgent and small order.
2: Air shipment: air port to air port , or air port to door.
3: Sea shipment: suitable for bulk goods. it will takes more longer time than air shipment.
 
 
 

 

1. What does a test-tube plug enquiry need?
Provide tube-neck dimensions and the desired insertion depth, with the stopper profile or sample. State whether the plug is solid or bored and define acceptable fit.
Include intended contents, storage conditions and cleaning chemicals so the selected silicone compound can be reviewed.
2. How should cleanliness be specified?
a. State the required cleaning or preparation process.
b. Identify unacceptable residues and surface contamination.
c. Define the inspection method and acceptance limits.
d. Specify packing that protects the agreed surface condition.
e. Include any lot identification requirements.
f. Agree handling instructions for the supplied parts.
g. Request relevant compound documentation where the application requires it.
3. Does silicone automatically qualify for sterilization or food contact?
1. Suitability depends on the specific compound and application.
2. Provide the cleaning or sterilization cycle, temperature and duration.
3. State the applicable regulation or testing requirement.
4. Confirm fit and surface condition after the specified treatment.
5. ISO 9001 addresses quality management; application compliance needs separate documentation.
4. How are size and color controlled in an order?
1. Assign a drawing or size reference to each plug.
2. Specify compound and nominal hardness within the listed 40–80 Shore A options.
3. Agree the required color or reference sample.
4. Separate quantities and labels for each size or configuration.
5. Define dimensional inspection and packing requirements before production.

For silicone test-tube plug procurement, include the tube-neck dimensions, contents and cleaning requirements with the selected size and configuration.
Custom parts can be reviewed from a drawing or original sample. Confirm fit, compound and required surface condition before production approval.