Description

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Silicone covered ptfe hose is a composite tubing material featuring an inner layer of PTFE that provides exceptional corrosion resistance and low friction properties, while the outer layer of medical-grade silicone ensures biocompatibility and flexibility. This design effectively addresses the challenge of simultaneously contacting strong corrosive media and human tissue, making it a critical component in the biopharmaceutical and high-end medical fields.

Silicone-coated PTFE tubing Product Structure

Inner layer PTFE

Resists strong acids/alkalis and organic solvents, with near-zero permeability;

Middle layer reinforcement

Fiber or stainless steel wire reinforcement enhances pressure resistance (burst pressure resistance ≥30 bar);

Outer layer silicone

Certified for biocompatibility according to ISO 10993, flexible and slip-resistant, suitable for human contact.

Item no.	ID		Mini OD	Tube Wall thickness	Bending	Work pressure	Bursting pressure
	ID		Mini OD	Tube Wall thickness	radius	Work pressure	Bursting pressure
	in.	mm	mm	mm	mm	bar	bar
Mast-SSS-005	3/16"	4.8	10.1	0.75	60	200	600
Mast-SSS-006	1/4"	6.4	11.6	0.65	75	185	555
Mast-SSS-008	5/16"	7.9	13.6	0.75	100	180	540
Mast-SSS-010	3/8"	9.5	14.8	0.75	125	170	510
Mast-SSS-013	1/2"	12.7	18.3	0.75	140	130	390
Mast-SSS-016	5/8"	15.9	23.7	0.90	160	100	300
Mast-SSS-019	3/4"	19	27.2	0.90	200	75	225
Mast-SSS-022	7/8"	22	30.4	1.00	300	65	195
Mast-SSS-025	1"	25.4	35.9	1.05	400	65	195

PTFE Hose with Silicone Cover Features

Corrosion Resistance

Resistant to strong acids, strong alkalis, and organic solvents (e.g., aqua regia, hydrofluoric acid)

High-Temperature Resistance

Continuous operation at 260°C, with a maximum temperature resistance of 300°C

Electrical Properties

Dielectric strength ≥ 80 kV/mm, with zero signal attenuation

Non-stick Properties

Friction coefficient of 0.04

Medical Safety

Passed USP Class VI biocompatibility testing

PTFE Tubing with Silicone Jacket Applications

Medical field

Cardiopulmonary machine tubing, interventional catheter sheath tubes (anti-thrombosis adhesion);

Biopharmaceuticals

Cell culture medium transportation, sterile filling systems;

Food industry

Transportation of highly corrosive seasonings (such as vinegar, citric acid) and scenarios requiring flexible interfaces.

About Us

China's professional manufacturer of Teflon tubing, with 15 years of experience serving the global market. We have a 5,000㎡ modern factory and a professional team of 160 people (including 30 R&D engineers). Relying on advanced automated production lines and precision testing, we ensure that every piece of tubing meets international quality standards. Our products are widely used in medical devices, food and beverage, biopharmaceuticals, hydrogen energy vehicles, and industrial equipment, and we provide flexible OEM/ODM customization solutions.

FAQ

Q: 1. What is the difference between silicone-coated PTFE hose and stainless steel braided PTFE hose?

A: Silicone-coated tubing is UV-resistant, flexible, and explosion-proof, suitable for outdoor/chemical environments; stainless steel braided tubing is high-pressure resistant (5,000 PSI) and high-temperature resistant (260°C), suitable for hydraulic/high-purity fluid transportation.

Q: 2. Why is silicone coated on PTFE tubing?

A: It provides UV resistance, ozone resistance, and mechanical protection. The anti-static design meets explosion-proof requirements and enhances flexibility to prevent kinking.

Q: 3. Will the silicone layer on silicone-coated PTFE tubing peel off?

A: No. A special process ensures the silicone adheres tightly to the PTFE tubing. After rigorous adhesion testing, the outer silicone layer will not peel off under normal use.

Q: 4. What is the temperature range for silicone-coated PTFE tubing?

A: Standard operating temperature: -70°C to 200°C. Can withstand peak temperatures up to 250°C for short periods (pressure-bearing capacity decreases at high temperatures).

Q: 5. Can silicone-coated PTFE tubing be custom-cut?

A: It can be cut to any length to minimize waste and accommodate equipment layout, and supports custom joint installation.

Q: 6. Do you offer printing or labeling services on the tubing?

A: Due to the non-stick surface of PTFE/silicone, specialized chemical-resistant labels (solvent-resistant, 120°C-resistant) are required, and support metal detection or RFID tracking.

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