Is Thread sealing thread DF-175 safe for use on plastic and metal pipes at temperatures from -200Â°C to +240Â°C?

Yes. Thread sealing thread DF-175 is safe for use on both plastic and metal pipes within the specified temperature range. It is made of 100% PTFE, which is chemically inert, non-flammable, and compatible with most plastics and metals. The product description states it âpermanently and safely seals most threaded pipe connections made of metals and plasticsâ and guarantees sealing stability when unscrewing up to 45Â°. Its rated operating temperature of â200Â°C to +240Â°C covers the range you specified, so it will maintain performance and integrity across those temperatures.

Can Thread sealing thread DF-175 be used for gas lines and high-pressure applications?

Thread sealing thread DF-175 (100% PTFE) offers excellent chemical resistance, wide temperature range (-200Â°C to +240Â°C) and is nonâflammable, making it suitable for many metal and plastic pipe joints. However, for gas lines and highâpressure applications you must verify certification and pressure ratings for the specific gas and system. While PTFE tape/sealants are commonly used on gas fittings, approvals (e.g., national gas standards, EN, CSA, ANSI) and manufacturer guidance are essential. If DF-175 has the required gas/pressure certifications for your region and application and is applied per instructions, it can be used; if not, choose a product specifically certified for gas and highâpressure service.

Does Thread sealing thread DF-175 maintain a reliable seal after repeated tightening and loosening cycles?

Yes. Thread sealing thread DF-175 maintains a reliable seal after repeated tightening and loosening cycles within the productâs specified limits. Made of 100% PTFE, it forms a durable, conforming film that fills thread imperfections on metal and plastic connections, providing permanent, safe sealing. Its chemical resistance and non-flammable nature help preserve sealing integrity across diverse media. The product explicitly guarantees sealing stability when unscrewing up to 45Â°, so normal maintenance involving partial loosening or unlinking within that range will not compromise the seal. Limitations: full reliability depends on correct application (proper cleaning, correct amount applied, and compatible thread types), avoiding unscrewing beyond 45Â° repeatedly under load, and operating within the temperature range of â200Â°C to +240Â°C. Extreme mechanical abuse, misalignment, or use outside these parameters can reduce effectiveness.

Thread sealing thread DF-175

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Additional information

Sealant thread made of 100% PTFE. Permanently and safely seals most threaded pipe connections made of metals and plastics. The thread is non-flammable and has exceptional chemical resistance. It guarantees sealing stability when unscrewing up to 45°. Operating temperature: -200°C to +240°C.

List of product variants

Article number	Product variant name	DN	BAR	Availability	Price	Quantity	Actions	Catalogue
WE-DF-17-175	PTFE sealing thread - 175 m	-	-	In stock	0 zł		Enquiry

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Sealant thread made of 100% PTFE. Permanently and safely seals most threaded pipe connections made of metals and plastics. The thread is non-flammable and has exceptional chemical resistance. It guarantees sealing stability when unscrewing up to 45°. Operating temperature: -200°C to +240°C.