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PTFE Gaskets

PTFE delivers outstanding chemical resistance and excellent stability in the most aggressive environments.

PTFE delivers outstanding chemical resistance and excellent stability in the most aggressive environments.

PTFE Gasket & Sealing Solution - VAMECA

Temperature

-240°C to 270°C

Pressure

0 to 3,000 psi

Typical Applications

Chemicals, acids, and corrosive fluids

Temperature

-240°C to 270°C

Pressure

0 to 3,000 psi

Typical Applications

Chemicals, acids, and corrosive fluids

Introducing PTFE

PTFE (Polytetrafluoroethylene), often known under the trade name Teflon®, is one of the most widely used sealing materials in the industry when chemical resistance is a priority.

Thanks to its exceptional chemical inertness, PTFE resists a vast range of acids, bases, solvents, and corrosive media. It is commonly used in chemical, pharmaceutical, food processing, water treatment, and industrial process industries.

PTFE gaskets are available in various grades, including virgin PTFE, filled PTFE, and ePTFE (expanded PTFE), to meet diverse temperature, pressure, and chemical compatibility requirements.

PTFE (Polytetrafluoroethylene), often known under the trade name Teflon®, is one of the most widely used sealing materials in the industry when chemical resistance is a priority.

Thanks to its exceptional chemical inertness, PTFE resists a vast range of acids, bases, solvents, and corrosive media. It is commonly used in chemical, pharmaceutical, food processing, water treatment, and industrial process industries.

PTFE gaskets are available in various grades, including virgin PTFE, filled PTFE, and ePTFE (expanded PTFE), to meet diverse temperature, pressure, and chemical compatibility requirements.

Key Benefits

Outstanding chemical resistance

Wide operating temperature range

Chemically inert and non-contaminating

Low permeability

Non-stick surface

Sample Materials

LATTYFLON 95

LATTYFLON 95

Temperature Rating

Temperature Rating

-240°C to 270°C

-240°C to 270°C

Pressure

Pressure

0 to 3000 psi

0 to 3000 psi

Colour

Colour

White

White

pH

pH

0 - 14

0 - 14

Regulatory Compliance

Regulatory Compliance

FDA / EC 1935/2004 Compliant

FDA / EC 1935/2004 Compliant

Zünd CNC cutting table for industrial gasket manufacturing
Zünd CNC cutting table for industrial gasket manufacturing

LATTYFLON 84L

LATTYFLON 84L

Temperature Rating

Temperature Rating

-200°C to 260°C

-200°C to 260°C

Pressure

Pressure

0 to 1,200 psi

0 to 1,200 psi

Colour

Colour

Rose

Rose

pH

pH

0 - 14

0 - 14

Regulatory Compliance

Regulatory Compliance

FDA / EC 1935/2004 Compliant

FDA / EC 1935/2004 Compliant

Zünd CNC cutting system for industrial gasket fabrication
Zünd CNC cutting system for industrial gasket fabrication

Contact our experts to select the optimal sealing material for your specific application

Contact our experts to select the optimal sealing material for your specific application

PTFE Chemical Compatibility Chart

Search by fluid or filter by family to check the resistance of a PTFE gasket and its maximum operating temperature. Final validation depends on the actual process conditions. Contact us for personalized technical advice.


Search by fluid or filter by family to check the resistance of a PTFE gasket and its maximum operating temperature. Final validation depends on the actual process conditions. Contact us for personalized technical advice.


65 fluides affichés
FluideConditionPTFERepère T°Point de vigilance réel
Acide acétique
CH₃COOH
Dil./glacialExcellente~200 °C*Bon choix courant. Vérifier le fluage si brides peu rigides ou cycles thermiques.
Acide chlorhydrique
HCl
Toutes conc.Excellente~200 °C*Très bonne résistance chimique. Attention à la perméation et aux parties métalliques.
Acide sulfurique
H₂SO₄
Dil. à concentréExcellente~200 °C*Chimiquement adapté. À chaud/concentré, valider pression, serrage et brides.
Acide nitrique
HNO₃
Dil. à concentréExcellente~150 °C*Oxydant fort. Valider concentration et température réelles.
Acide phosphorique
H₃PO₄
Dil. à concentréExcellente~180 °C*Bon choix courant en chimie et traitement d’eau. Contrôler relaxation à chaud.
Acide fluorhydrique
HF
AqueuxExcellente~100 °C*PTFE chimiquement adapté, mais service très dangereux : valider confinement et perméation.
Acide formique
HCOOH
Dil./concentréExcellente~150 °C*Compatibilité généralement bonne. Vérifier les autres matériaux en contact.
Acide citrique
C₆H₈O₇
Solution aqueuseExcellente~150 °C*Service généralement peu problématique pour PTFE.
Acide lactique
C₃H₆O₃
Solution aqueuseExcellente~150 °C*Bon choix. En alimentaire, valider conformité matière.
Eau régale
HCl + HNO₃
Mélange oxydantBonne~80 °C*Mélange extrême : validation obligatoire malgré la bonne inertie du PTFE.
Acide chromique
H₂CrO₄
OxydantBonne~100 °C*Oxydant fort. À utiliser comme présélection seulement.
Soude caustique
NaOH
Solution aqueuseBonne~150 °C*Souvent compatible. À forte concentration/température, valider le service réel.
Potasse caustique
KOH
Solution aqueuseBonne~150 °C*Compatible dans beaucoup d’applications. Sur service chaud, surveiller fluage/relaxation.
Ammoniaque
NH₃
Aqueux / gazExcellente~150 °C*Bon choix chimique. Valider pression et température du gaz.
Carbonate de sodium
Na₂CO₃
SolutionExcellente~150 °C*Service généralement compatible.
Hypochlorite de sodium
NaOCl
Eau de JavelExcellente~80 °C*Bon comportement chimique. La décomposition du fluide à chaud doit être validée.
Cyanure de sodium
NaCN
SolutionÀ validerÀ valider / ValidateService toxique et sensible. Valider par fiche technique fournisseur.
Métaux alcalins fondus
Na, K
FonduNon recommandéException majeure : attaque/défluoration du PTFE. Ne pas recommander.
Acétone
C₃H₆O
PurExcellente~100 °C*Bon choix chimique. Vérifier la perméation sur faibles épaisseurs.
Méthanol
CH₃OH
Pur / aqueuxExcellente~100 °C*Compatible. Attention au serrage si cycles chaud/froid.
Éthanol
C₂H₅OH
Pur / aqueuxExcellente~100 °C*Compatible. En alimentaire/pharma, valider grade et conformité.
Isopropanol
C₃H₈O
PurExcellente~100 °C*Compatible dans les usages courants.
MEK
C₄H₈O
MéthyléthylcétoneExcellente~100 °C*Compatible. Vérifier la perméation selon l’épaisseur du joint.
Toluène
C₇H₈
AromatiqueExcellente~120 °C*Très bon comportement. Valider étanchéité si vapeur/forte pression.
Xylène
C₈H₁₀
AromatiqueExcellente~120 °C*Compatible. Attention aux émissions et à la perméation.
Benzène
C₆H₆
AromatiqueExcellente~120 °C*Compatible chimiquement, mais fluide cancérogène : validation HSE obligatoire.
THF
C₄H₈O
TétrahydrofuraneBonne~80 °C*Souvent acceptable. Valider absorption/perméation à chaud.
Dichlorométhane
CH₂Cl₂
ChloréExcellente~60 °C*Compatible, mais très volatil : vérifier perméation et ventilation.
Chloroforme
CHCl₃
ChloréExcellente~60 °C*Compatible chimiquement. Limiter température selon volatilité/pression vapeur.
Trichloroéthylène
C₂HCl₃
ChloréExcellente~80 °C*Compatible. Valider environnement réglementaire et perméation.
Acétate d’éthyle
C₄H₈O₂
EsterExcellente~100 °C*Compatible dans les usages courants.
DMF
C₃H₇NO
Solvant polaireExcellente~120 °C*Compatible, mais service toxique : valider confinement.
DMSO
C₂H₆OS
Solvant polaireExcellente~150 °C*Bon choix chimique. Vérifier température de service réelle.
Peroxyde d’hydrogène
H₂O₂
10–90 %Excellente~100 °C*Compatible. Valider propreté, concentration, stabilisants et décomposition.
Chlore sec
Cl₂
Gaz secExcellente~150 °C*PTFE compatible. Service dangereux : valider joints, brides et procédures chlore.
Chlore humide
Cl₂ + H₂O
Gaz humideBonne~80 °C*Valider corrosion des parties métalliques et formation d’acides.
Ozone
O₃
GazExcellente~80 °C*PTFE généralement adapté. Confirmer concentration et température.
Brome
Br₂
Liquide/vapeurBonne~80 °C*Fluide très agressif : validation obligatoire.
Iode
I₂
Solide/vapeurBonne~100 °C*Généralement acceptable. Valider température et perméation.
Fluor élémentaire
F₂
GazNon recommandéException critique : fluorant très réactif. Ne pas recommander sans expertise dédiée.
Trifluorure de chlore
ClF₃
Gaz/liquideNon recommandéOxydant extrême, cité comme exception à la résistance du PTFE. À exclure.
Essence
Mélange / Blend
CarburantExcellente~100 °C*Compatible. Valider additifs, perméation et exigences ATEX/zone.
Diesel / gazole
Mélange / Blend
CarburantExcellente~120 °C*Compatible. Vérifier additifs et température.
Kérosène
Mélange / Blend
CarburantExcellente~120 °C*Compatible. Valider additifs et température.
Huile minérale
Mélange / Blend
LubrificationExcellente~200 °C*Bon choix chimique. À chaud, le fluage peut limiter la tenue mécanique.
Huile thermique
Mélange / Blend
Fluide caloporteurBonne~200 °C*Possible, mais graphite souvent plus robuste à haute température/serrage/cycles.
Bitume
Mélange / Blend
ChaudÀ validerÀ valider / ValidateLe problème est surtout température, serrage et colmatage. Graphite souvent préférable.
Propane
C₃H₈
Gaz/liquideExcellente~100 °C*Compatibilité bonne. Valider pression, basse température et réglementation gaz.
Butane
C₄H₁₀
Gaz/liquideExcellente~100 °C*Compatible. Valider pression et température.
Méthane / gaz naturel
CH₄
GazExcellente~100 °C*Compatible. Vérifier normes gaz, perméation et essais d’étanchéité.
Eau froide
H₂O
Potable/industrielleExcellente~80 °C*Compatible. Pour eau potable, valider conformité NSF/ACS/grade matière.
Eau chaude
H₂O
Boucle chaudeBonne~150 °C*Compatible, mais attention au fluage et aux reprises de serrage.
Eau de mer
Mélange salin / Saline blend
Aqueux salinExcellente~100 °C*PTFE ne corrode pas. Vérifier surtout brides/boulonnerie métalliques.
Vapeur saturée
H₂O
Service vapeurÀ validerÀ valider / ValidateChimiquement OK, mais PTFE peut fluer; graphite souvent plus fiable en vapeur industrielle.
Condensat
H₂O
Retour vapeurBonne~150 °C*Compatible. Valider cycles thermiques et serrage.
Glycol éthylène
C₂H₆O₂
Eau/glycolExcellente~150 °C*Bon choix chimique. Vérifier inhibiteurs/additifs.
Glycol propylène
C₃H₈O₂
Eau/glycolExcellente~150 °C*Bon choix chimique. Vérifier grade alimentaire si requis.
Air comprimé
Air
Sec/humideExcellente~150 °C*Compatible. Vérifier température compresseur et présence d’huile.
Azote
N₂
GazExcellente~200 °C*Inerte. Valider pression et taux de fuite requis.
Oxygène
O₂
GazBonneÀ valider / ValidatePTFE peut être utilisé, mais service oxygène exige nettoyage et procédure dédiés.
Dioxyde de carbone
CO₂
Gaz/liquideExcellente~100 °C*Compatible. Valider basse température si détente ou CO₂ liquide.
Hydrogène
H₂
GazBonneÀ valider / ValidateCompatibilité chimique bonne, mais perméation/fuite critique selon pression.
Sulfure d’hydrogène
H₂S
Sec/humideExcellente~150 °C*PTFE compatible. Valider exigences sour service/NACE pour les métaux.
Dioxyde de soufre
SO₂
GazExcellente~150 °C*Compatible. En présence d’eau, vérifier corrosion acide des métaux.
Amine de traitement gaz
MEA/DEA/MDEA
Solution MEA/DEA/MDEABonne~120 °C*Compatible généralement. Valider concentration, CO₂/H₂S et température.
ExcellenteBonneÀ validerNon recommandé* Repère indicatif de compatibilité chimique. La température admissible d’un joint PTFE dépend aussi de la pression, du type de joint, du serrage, des brides et des cycles thermiques.

Can't find your process fluid?

Our specialists can validate chemical compatibility, pressure and temperature ratings, and recommend the appropriate sealing material.

Can't find your process fluid?

Our specialists can validate chemical compatibility, pressure and temperature ratings, and recommend the appropriate sealing material.

Custom Recommendation

Why Industrial Operators Choose VAMECA

Selecting a flange gasket based solely on its dimensions is often the root cause of premature failures and costly operational downtime due to leaks.

Temperature, pressure, media, the condition of the ANSI/ASME flanges, and operational stresses must all be evaluated to ensure durable process piping sealing and to minimize industrial maintenance interventions.

Whether you require flat flange gaskets, spiral wound gaskets, or custom-engineered geometries, our sealing solutions integrate seamlessly into your preventive and corrective industrial maintenance programs.

Custom-Cut Industrial Gaskets by VAMECA

Customized analysis

Assessment of your constraints and operating environment

Customized analysis

Assessment of your constraints and operating environment

Customized analysis

Assessment of your constraints and operating environment

Optimal solution

Materials, sizes, and recommended configuration for your application

Optimal solution

Materials, sizes, and recommended configuration for your application

Optimal solution

Materials, sizes, and recommended configuration for your application

Rapid Response

We deliver tailored solutions within 24 hours.

Rapid Response

We deliver tailored solutions within 24 hours.

Rapid Response

We deliver tailored solutions within 24 hours.

Zünd CNC cutting table for industrial gasket manufacturing
Zünd CNC cutting table for industrial gasket manufacturing

OUR TECHNOLOGY

High-Precision CNC Gasket Cutting

Equipped with cutting tables from the Swiss manufacturer Zünd, we fabricate custom gaskets with exceptional precision from your drawings, digital files, or existing samples.

Equipped with cutting tables from the Swiss manufacturer Zünd, we fabricate custom gaskets with exceptional precision from your drawings, digital files, or existing samples.

Cutting Surface
6’ x 12’
1.8 x 3.2 m

Precision of ± 0.1 mm

Custom prototypes / Medium & large-volume production

Replication from drawings, photographs, or digital files

COMMON APPLICATIONS

Typical Applications for PTFE Seals

Our sealing solutions are used in a wide variety of industrial equipment and process piping systems.


Chemical Processing Industry

Concentrated acids

Caustic soda

Aggressive solvents

Chemical Reactors

Pharmaceutical Industry

High-purity systems

CIP/SIP Systems

Sanitary process equipment

Contamination-Sensitive Products

Food & Beverage

CIP Systems

Dairy Processing

Beverage and Brewing

FDA-certified equipment

Flange Gaskets and Sealing Solutions for ANSI/ASME Standards - VAMECA

Flange gaskets compliant with ANSI, ASME, and EN standards

Flange gaskets compliant with ANSI, ASME, and EN standards

Flange gaskets compliant with ANSI, ASME, and EN standards

VAMECA manufactures flat and spiral wound flange gaskets for industrial steam, chemical, water, gas, and thermal oil piping systems. Our gaskets are cut to standard dimensions in compliance with ASME B16.21, ASME B16.20, and EN 1514 for ANSI Class 150, 300, and 600 flanges, as well as European PN industrial flanges.

Available in PTFE, graphite, aramid, rubber, and high-performance materials, our gaskets deliver reliable sealing for industrial piping, valves, pumps, heat exchangers, and pressure vessels.

VAMECA manufactures flat and spiral wound flange gaskets for industrial steam, chemical, water, gas, and thermal oil piping systems. Our gaskets are cut to standard dimensions in compliance with ASME B16.21, ASME B16.20, and EN 1514 for ANSI Class 150, 300, and 600 flanges, as well as European PN industrial flanges.

Available in PTFE, graphite, aramid, rubber, and high-performance materials, our gaskets deliver reliable sealing for industrial piping, valves, pumps, heat exchangers, and pressure vessels.

FAQ

Before saying yes, ask all your questions.

Find here the answers to your most common questions about our products and services.

What is the maximum operating temperature for a PTFE gasket?

Which gasket should be used for a chemical processing application?

What is the difference between a PTFE gasket and an EPDM gasket?

What is the difference between a graphite gasket and a PTFE gasket?

Are you able to manufacture custom industrial seals?

Are you able to reverse-engineer and replicate an existing seal?

What is the difference between PTFE and ePTFE?

Do you manufacture gaskets for ANSI and ASME flanges?

Can you manufacture a custom seal based on a photo?

Do you deliver industrial sealing solutions nationwide across Canada?