Is the MTKM MARINE aramid and steel braided thermoplastic hose suitable for long-term use with seawater and corrosive solvents?

Yes. The MTKM MARINE aramid and steel braided thermoplastic hose is suitable for long-term use with seawater and many corrosive solvents, with some practical limits: - Seawater: The product description explicitly states it is resistant to seawater, and the construction (polyamide inner layer, aramid + steel reinforcement, polyurethane outer layer) provides good durability in marine environments. Proper installation and regular inspection are still recommended to detect wear, abrasion or galvanic issues at fittings. - Corrosive solvents: The hose is designed for solvents, paints, isocyanates, polyols and water-based fluids, so it is compatible with a broad range of aggressive chemicals. However, âcorrosive solventsâ is a broad category . chemical compatibility depends on solvent type, concentration and temperature. The polyurethane outer and polyamide inner give good general resistance, but some strong acids, bases or chlorinated solvents may attack one of these layers or affect seals. - Temperature limits: Operating range is -40Â°C to +100Â°C (for water and air up to +70Â°C). Ensure your application stays within these limits, as higher temperatures can accelerate chemical attack and degrade materials. Recommendation: For critical long-term service with specific corrosives, validate compatibility with the hose manufacturer (TUBES INTERNATIONALÂ®) or consult a chemical compatibility chart and perform field testing. Ensure correct fittings, installation and maintenance to maximize service life.

Can MTKM MARINE aramid and steel braided thermoplastic hose be micro-perforated for gas and air applications without compromising chemical resistance?

Yes - MTKM MARINE aramid and steel braided thermoplastic hose can be micro-perforated for gas and air applications on request without compromising its core chemical resistance, provided the request follows manufacturer guidance. The hoseâs construction (polyamide inner layer, aramid + steel reinforcement, polyurethane outer layer) and stated resistance to solvents, paints, isocyanates, polyols, water-based fluids and seawater remain intact. Note operating limits: -40Â°C to +100Â°C overall, and specifically up to +70Â°C for water and air; ensure your gas/air service stays within these temperatures and consult TUBES INTERNATIONALÂ® during installation to confirm suitability and perforation specifics.

Can MTKM MARINE aramid and steel braided thermoplastic hose be safely used with isocyanates and polyols at elevated temperatures?

Yes. MTKM MARINE aramid and steel braided thermoplastic hose can be used with isocyanates and polyols at elevated temperatures within its specified limits, but with important caveats. Why it is suitable: - The product description explicitly lists isocyanates and polyols among intended media, and construction materials (polyamide inner layer, aramid + steel reinforcement, polyurethane outer layer) are compatible with many painting and chemical transfer applications. - The hoseâs rated operating temperature reaches up to +100Â°C, which covers many elevated-temperature processes. Precautions and limitations: - The maximum +100Â°C rating applies generally; for water and air the limit is +70Â°C. Confirm that your specific isocyanate/polyol formulation and process temperature do not exceed the +100Â°C limit. - Chemical compatibility varies by specific isocyanate and polyol chemistry, concentration, additives and temperature. Some isocyanates can be aggressive at high temperatures or promote degradation/embrittlement of polymeric liners and outer sheaths. - Elevated temperature accelerates chemical attack and reduces service life; continuous exposure near the maximum rating increases risk. - Micro-perforation exists only on request and is for gases/air; do not use micro-perforated hoses for liquid isocyanates/polyols. Recommendation: - For any application with isocyanates/polyols at elevated temperatures, consult TUBES INTERNATIONALÂ® for confirmation, provide the exact chemicals, concentrations and operating temperature/cycle, and request written approval and any recommended inspection/replacement intervals. - Consider compatibility testing (laboratory soak and pressure tests at operating temperature) and periodic inspection in service. Conclusion: Functionally compatible within the stated +100Â°C limit, but require confirmation from TUBES INTERNATIONALÂ® and application-specific compatibility testing before use.

Thermoplastic hose with an aramid and steel braid MTKM MARINE

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Additional information

Material	PA – polyamide
Maximum operating temperature [°C]	100
Minimum operating temperature [°C]	-40
Vacuum resistance	check

Light, flexible hose intended for solvents, paints, isocyanate, polyol, water-based fluids. Resistant to salty sea water. Micro-perforated on request (for gases and air). Assembly: contact TUBES INTERNATIONAL®. Inner layer: polyamide. Reinforcement: an aramid braid + a steel braid. Outer layer: polyurethane. Operating temperature: from -40°C to +100°C (for water and air up to +70°C).

List of product variants

Article number	Product variant name	DN	BAR	Availability	Actions
ZC-MTKMMARINE-16	Hose thermoplastic MTKM MARINE 5/8"	16	325	In stock	Enquiry
ZC-MTKMMARINE-19	Hose thermoplastic MTKM MARINE 3/4"	20	325	In stock	Enquiry
ZC-MTKMMARINE-25	Hose thermoplastic MTKM MARINE 1"	25	325	In stock	Enquiry
ZC-MTKMMARINE-32	Hose thermoplastic MTKM MARINE 1.1/4"	32	275	In stock	Enquiry

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Light, flexible hose intended for solvents, paints, isocyanate, polyol, water-based fluids. Resistant to salty sea water. Micro-perforated on request (for gases and air). Assembly: contact TUBES INTERNATIONAL®. Inner layer: polyamide. Reinforcement: an aramid braid + a steel braid. Outer layer: polyurethane. Operating temperature: from -40°C to +100°C (for water and air up to +70°C).