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RUBBER & SILICONEStandard parts. Custom solutions.

Soft silicone micro tubing

Soft silicone micro tubing

It goes without saying that the main feature of soft silicone micro tubing is its size. After all, these come in numerous dimensions, and you can learn more about them on our website. Since it is used for several different purposes across multiple industries, and since it is considered an essential part, the variations in dimensions aren’t that surprising. After all, in order to function correctly, it needs to fit the device perfectly. 

Now, the question arises – how to choose the right size? Well, even though you shouldn’t just order the first soft silicone micro tubing that pops up on your screen, deciding on the correct dimensions should be too challenging. The first thing you have to do is set the requirements. How will you use this tubing? Where will you install it? Do you need to replace an existing tubing due to the damage with a new one? If the last one is true, this task has just become even easier. All you have to do is get the exact same one. That’s it. 

On the other hand, if this is not the case, you will have to do some calculations. Naturally, you have to start with the device you are working on. Inspect its design, the layout of the parts, and the place where the soft silicone micro tubing goes. Then, start measuring everything – the length of the tubing, the outer diameter, and also the inner one. You should also consider the thickness of the silicone to enjoy all the benefits. Once you have gathered all the information you need, it is time to look for the soft silicone micro tubing that meets all the requirements. Yes, this may take some time, but it is a task you have to complete. Otherwise, you would get something too small or too big and that you couldn’t even use. We are not even going to discuss the money you would waste this way. 

Silicone Tubing Size Catalog

Compare inside diameter, outside diameter and listed wall thickness across silicone tube ranges. Confirm the material grade and application requirements for the selected part.

Food grade silicone tube

Compare Inside Diameter and Outside Diameter in mm, together with the listed Thickness and Colour. The cross-section drawing identifies the bore and outside diameter; confirm the selected tube material and service requirements.

Dimension guide
Tube cross section — Outside Diameter and Inside Diameter
Profile reference. Use the dimension letters and units in the selected table and confirm the part drawing.
Product appearance
Food grade silicone tube — product view
Illustrative product appearance. Refer to the selected row and part drawing for dimensions.
Part No.Inside DiameterOutside DiameterThicknessColour
FST0.5*2.10.52.10.8Transparent
FST0.8*40.841.6Transparent
FST1*3131Transparent
FST1.6*4.81.64.81.6Transparent
FST2*3230.5Transparent
FST2*4241Transparent
FST2.4*42.440.8Transparent
FST2.4*5.62.45.61.6Transparent
FST2.5*42.540.75Transparent
FST3*4340.5Transparent
FST3*5351Transparent
FST3*6361.5Transparent
FST3*8382.5Transparent
FST3.2*6.43.26.41.6Transparent
FST4*5450.5Transparent

Need a different size? Share your drawing, mating dimensions and intended use to discuss a suitable part.

Discuss Your Requirements

Product specifications

Product form
Hollow elastomer tubing for a fitted line or sleeve
Material
Silicone. Specify the compound grade for the selected service.
Dimensions to confirm
Inside diameter, outside diameter, wall thickness and cut length.
Small-bore control
Set bore and wall tolerances, check lumen continuity and choose fittings that do not close or distort the passage.
Compliance
Specify hardness and its tolerance together with the required deflection of the finished part.
Line layout
Check bend radius, unsupported spans and clearance at both connections.
Microtube fit
Measure the full installed length and the mating connector, then specify bore and outside diameter tolerances that preserve the small passage.

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