Description

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It is the ideal choice for high-end industrial fluid transfer, particularly suited for applications involving strong corrosion, high temperatures and pressures, and high purity requirements. Its three-layer composite structure ensures a perfect balance of chemical inertness, mechanical strength, and weather resistance, playing an indispensable role in industries such as chemicals, food processing, pharmaceuticals, and electronics.

Product Structure

Structural layer	Material	Main function
Inner lining	PTFE	Superior chemical corrosion resistance,non-stick properties, and high purity, suitable for the transportation of strong acids, strong alkalis, organic solvents, and other media.
Reinforcement layer	304/316 stainless steel wire braided or spiral	Resistance to pressure and collapse enables the hose to withstand high pressure (up to 172 bar) while maintaining flexibility.
Outer protection	Food-grade silicone	High temperature resistance (-40°C to 260°C), weather resistance, and wear resistance protect the internal structure from mechanical damage and environmental influences.

Product information

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-TSS-005	3/16"	4.8	10.1	0.75	60	200	600
Mast-TSS-006	1/4"	6.4	11.6	0.65	75	185	555
Mast-TSS-008	5/16"	7.9	13.6	0.75	100	180	540
Mast-TSS-010	3/8"	9.5	14.8	0.75	125	170	510
Mast-TSS-013	1/2"	12.7	18.3	0.75	140	130	390
Mast-TSS-016	5/8"	15.9	23.7	0.90	160	100	300
Mast-TSS-019	3/4"	19	27.2	0.90	200	75	225
Mast-TSS-022	7/8"	22	30.4	1.00	300	65	195
Mast-TSS-025	1"	25.4	35.9	1.05	400	65	195

Advantages

Exceptional chemical resistance

PTFE is resistant to virtually all strong acids (such as concentrated sulfuric acid, hydrochloric acid, and nitric acid), strong alkalis (such as sodium hydroxide), organic solvents (such as acetone and benzene), and oxidizing agents. Only molten alkali metals and fluorine gas can damage it at high temperatures.

Extreme temperature adaptability

Long-term operating temperature: -70°C to +260°C
Short-term resistance: up to 300°C (e.g., steam cleaning)
Does not become brittle at low temperatures and remains flexible even at ultra-low temperatures.

High pressure resistance and collapse resistance

Operating pressure: 34~172 bar (depending on specifications)
Burst pressure: up to three times the operating pressure
Resistance to negative pressure: the steel wire braided layer prevents the hose from collapsing during suction.

Food-grade and hygienic safety

Complies with FDA 21CFR177.1550, USP Class VI, and other certifications, suitable for the food and pharmaceutical industries.
Smooth inner wall (Friction coefficient only 0.05μm), does not adsorb media, easy to clean, and inhibits bacterial growth.

Long service life

Resistant to aging, UV rays, and odors,

Applications

(1) Chemical and pharmaceutical industries

Transportation of strong acids, strong alkalis, and organic solvents

Connection for feedstock and product discharge from reactors

Pipelines for high-purity pharmaceutical solutions and solvents (compliant with GMP standards)

(2) Food and beverage processing

Transportation of high-temperature foods (chocolate, syrup, fats)

CIP (Clean-in-Place) and SIP (Steam Sterilization) systems

Pipelines for alcoholic beverages, juices, and dairy products

(3) Semiconductor and Electronics Industry

Transportation of ultra-pure water, etching solutions, and photoresists

High-purity chemical distribution systems

Exhaust gas treatment pipelines

(4) Energy and Environmental Engineering

Transportation of acidic media (containing H₂S) in oil and gas fields

Lime slurry pipelines in flue gas desulfurization (FGD) systems

Wastewater treatment (transfer of strong acid and strong alkali waste liquids)

(5) Laboratories and Special Industries

Analytical instrument connection tubes (to prevent sample adsorption)

3D printing high-temperature material extrusion tubes

Aerospace fuel and hydraulic oil conveyance

FAQ

Q: Can PTFE-lined steel wire silicone hose be used in the food industry?

A: Yes, both PTFE and silicone comply with FDA food-grade standards and are suitable for high-hygiene-requirement fields such as food, beverages, and pharmaceuticals.

Q: What are its advantages compared to ordinary rubber hose?

A: Superior chemical resistance: Ordinary rubber hose can be corroded by strong acids and alkalis, while PTFE remains virtually unaffected.
Wider temperature range: Rubber hose typically withstands temperatures from -30°C to 120°C, while this silicone hose can withstand temperatures from -70°C to 260°C.
Longer lifespan: Rubber hose is prone to aging, while PTFE tubing has a lifespan up to 5–8 times longer.

Q: How do I choose the appropriate specifications?

A: Tube diameter: Select based on flow requirements (common sizes range from 6.4 mm to 51 mm).
Pressure rating: Operating pressure should be ≤70% of the rated value, and instantaneous pressure should be ≤1/3 of the burst pressure.
Temperature range: Ensure the medium temperature is within the hose's temperature tolerance range.

Q: What should be noted during installation?

A: Avoid excessive bending: The minimum bending radius should be ≥2–3 times the tube diameter.
Prevent outer layer wear: Avoid friction with sharp edges.
Use dedicated connectors: Ensure sealing to prevent leaks.

Q: How to determine when the hose needs replacement?

A: Outer silicone layer cracking, hardening, or swelling
Exposed or deformed steel wire layer
Worn or leaking inner lining layer
Contaminated or reduced purity of the conveyed medium ,

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