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Silicone Pump Tubing

Silicone is made from silicone elastomers and retains flexibility resilience and tensile strength over a wide temperature range. It is resistant to extreme temperature variations and is extremely pliable and elastic. Silicone features high purity and long services life, as well as being resistant to chemicals and abrasion. Silicone has excellent clarity and strength and is non-reactive to body tissues and fluids. It is also moisture resistant and feature low toxicity.

Silicone elastomers can be cross-linked using a variety of cure methods. For extruded tubing, two methods of curing are most common - peroxide (free-radical) initiated and platinum (addition-cure) catalyzed. When selecting which method is best for your application, there are several characteristics to consider including:

  • Chemical resistance of the fluid being transferred
  • Performance characteristics
  • Visual differences

Platinum-Cured Silicone

Platinum-cured silicone is an addition-cured formula, meaning the formulation contains zero by-products. Platinum-cured silicone is created by milling two-equal parts of silicone-elastomer - A (platinum catalyst) and B (crosslinking part). Platinum-cured silicone is translucent in color and has a lower volume of extractables.

Peroxide-Cured Silicone

Peroxide-cured silicone is a free-radical formula that utilizes a peroxide catalyst in milling to progress the curing process. When exposed to high temperatures, the silicone becomes cured and the peroxide additives break down. Peroxide-cured silicone is opaque in color and offers superior spallation characteristics.

Silicone Tubing Products

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Sani-Tech® Sil-250
High-performance, platinum-cured silicone tubing specifically designed for peristaltic pump applications.
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Tygon® 3355-L Extended Life Silicone Tubing
High-performance, platinum-cured silicone tubing specifically designed for peristaltic pump applications.
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Tygon® 3350 Sanitary Silicone Tubing
An engineered, ultra-smooth inner surface reduces particle entrapment and minimizes bacterial growth. Ideally suited for transfer of sensitive fluids.
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Bio-Sil® 1250 Platinum Cured Silicone
Ideally suited for hospital applications where strength, durability, long-life and non-reactivity with body fluids and skin are of primary importance.
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BioSil® 1450 Platinum-Cured Silicone Tubing
BioSil® 1450 platinum-cured silicone tubing is the next generation in ultra-pure tubing for the medical market.
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Sani-Tech® Ultra
Specially engineered to meet the stringent requirements of the biopharmaceutical market.

 

   
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