Can I replace a sealant from a different market participant with an Elring sealant?

On our homepage www.elring.de, you can find an equivalent product via the search function in the online catalogue.

Can I substitute an OE sealant with an Elring sealant?

On our homepage www.elring.de, you can find an equivalent product via the search function in the online catalogue.

Is there a sealant with long-term resistance up to 300°C?

Yes. Dirko HT red has a continuous temperature resistance of 300°C. Further technical properties can be found on the technical data sheet.

Where can I place an order?

Elring products are available from specialist shops. On our homepage www.elring.de, you can use the search function to find contact information for the nearest specialist retailers in your area. 

Which sealant should I use on the petrol tank?

For sealing in the field of fuel supply, we would recommend using a solid seal. Although Curil T2 and El-Liq 73 and El-Liq 74 are fuel resistant, our experience has shown that better sealing results are achieved with a solid seal compared with a sealant. 

Are there differences between the different silicones?

The technical properties are practically identical and only differ in colour. The temperature range of Dirko transparent is slightly lower compared with Dirko HT products. Other technical properties can be found in the technical data sheet. 

Can Dirko be shipped via air freight?

With the exception of Dirko HT ProfiPress, all Dirko products can be shipped via air freight. Dirko HT ProfiPress can not be shipped via air freight due to the pressure gas can. 

Can I adhere Dirko to a different seal, for example?

In principle, yes. Dirko products offer outstanding adhesion on the material surfaces metal, cast iron, plastic PA (polyamide), glass and paper. A combination of a seal and sealant should always be looked in to though. 

Can I also use Dirko in food areas, e.g. in contact with drinking water?

No, Dirko is currently not certified for use in food areas. 

Can I also use Dirko on a paper seal?

In principle, yes. Dirko adheres extremely well on paper surfaces. A combination of a paper seal and silicone sealant should definitely be looked in to though. 

Can I apply Dirko from the outside to seal something?

Sealing from the outside is possible, but is not ideal. On a clean, grease-free material surface made of metal, cast iron, plastic PA, glass, paper, Dirko has very good adhesive properties. Ideally, however, Dirko should be used in a sealing gap for sealing. Application on a sealing gap with simultaneous pressure application from the inside can cause sealing problems, however.

Do you have to wait until a skin has formed with Dirko or is wet installation also possible?

Yes, wet installation is possible with Dirko products. Waiting for the skin to form, however, means that the parts can be loosened from each other more easily during disassembly at a later stage. 

Does Dirko contain critical quantities of substances of concern, toxic, harmful, environmentally harmful substances (SVHCs)?

No. Dirko is not subject to registration obligations (REACH, SCIP) in the sense of listed substances of concern (SVHC) of the European institution ECHA.

Does Dirko cure?

Yes. The crosslinking of the Dirko sealant is activated by taking in humidity from the air. With an ambient temperature of 23°C and a relative humidity of 50%, a curing time of 2mm in 24h can be assumed. 

How do I get Dirko off the components again and which cleaner do you recommend?

Coarse residues can be removed effectively with a scraper (plastic) or a brush (brass / bristle disc). Finer residues should be removed with a cloth and ideally with isopropyl (isopropyl alcohol) or brake cleaner. 

How do I get parts installed with Dirko apart again?

The components are loosened via lever force.

How old is my Dirko?

Details on the shelf life in unopened state are found in the technical data sheet. The direct product packaging contains the date of bottling in the form of a numerical code with the coding YYWWBBBB (year, week, batch number). 

Is Dirko REACH-compliant?

Yes. Dirko is not subject to registration obligations (REACH, SCIP) in the sense of listed substances (SVHC) of the European institution ECHA.

Is Dirko resistant to fuel?

No. Dirko is unfortunately not resistant to fuel. For use with contact with fuels, we recommend our sealants Curil T2 or El-Liq 73 and El-Liq 74. 

Is Dirko solvent-resistant?

No. Dirko is resistant to mineral oils (including additives), synthetic oils, lubricating grease, coolants, UV radiation, cold and hot water, salt water, cleaning agents, weak acids and alkalis. 

Is my Dirko still suitable for use?

Details on the shelf life in unopened state are found in the technical data sheet. The direct product packaging contains the date of bottling in the form of a numerical code with the coding YYWWBBBB (year, week, batch number). A usable sealant can be removed from the packaging in liquid form and forms a skin on the surface after approx. 15 minutes. Otherwise, crosslinking and correct function are not guaranteed. 

My Dirko has expired, can I still use it?

A usable sealant can be removed from the packaging and forms a skin on the surface after approx. 15 minutes. Otherwise, crosslinking and correct function are not adequately guaranteed. No guarantee can be provided once the use by date has passed.

What does Dirko HT ProfiPress mean, what is it used for?

Dirko HT ProfiPress is a 200 ml compressed gas cartridge with nozzle. The compressed gas and the adjustable opening mechanism enable an extremely even sealing bead to be applied on the surface. It is even possible to apply the sealant "over head", e.g. in an installation pit, with Dirko HT ProfiPress. Other technical properties can be found in the technical data sheet. 

What gap filling capacity does Dirko offer?

Dirko is particularly suited for gap sealing and can seal sealing gaps of up to 2.00 mm. Further information on media resistance, suitable surface materials and possible usage areas can be found in the technical data sheet. 

What is the best way to prepare a surface for applying Dirko?

First remove residues of the old sealant from the surface. Coarse residues can be removed effectively with a scraper (plastic) or a brush (brass / bristle disc). Finer residues should be removed with a cloth and ideally with isopropyl (isopropyl alcohol) or brake cleaner. 

What media is Dirko resistant to?

Dirko is resistant to mineral oils (including additives), synthetic oils, lubricating grease, coolants, UV radiation, cold and hot water, salt water, cleaning agents, weak acids and alkalis. 

What oils is Dirko resistant to?

Dirko is resistant to mineral oils (including additives), synthetic oils, lubricating grease, coolants, UV radiation, cold and hot water, salt water, cleaning agents, weak acids and alkalis. 

What wait time must be observed for Dirko until a functioning seal or until recommissioning?

Once the sealing point has been created, wait approx. 30 minutes for a functioning seal to form. Oil can then be poured into an oil sump again, for example. After 5-15 minutes (depending on the humidity and heat in the ambient air), a skin will develop on the surface. Waiting for the skin to form means that the parts can be loosened from each other more easily during disassembly at a later stage. 

When are silicone-based sealants used?

Silicone-based sealants are ideal for a high gap filling capacity of up to 2.00mm. On the material surfaces metal, cast iron, plastic PA (polyamide), glass and paper, Dirko products offer outstanding adhesion and crosslink with the help of the ambient air (humidity) to create a permanently elastic seal. Other technical properties can be found in the technical data sheet.

Why does Dirko come in different colours and what are the differences?

Different colours are available depending on the customer wishes or the manufacturer-dependent installation situation. Otherwise, the technical properties are almost identical. The temperature range of Dirko HT red/black/grey/beige is -60°C to +315°C. The temperature range of Dirko transparent is slightly lower at -60°C to +250°C. Other technical properties can be found in the technical data sheet. 

Why does the red Dirko have a different smell than the black Dirko?

The chemical crosslinking of Dirko HT red is based on vinegar. This is why Dirko HT red has a slight odour of vinegar on contact with air. All other Dirko products are based on a OXIM crosslinking. This is why they have no vinegar odour. All technical properties of the Dirko products can be found in the technical data sheet. 

Can El-Liq 73, El-Liq 74 be shipped via air freight?

Yes, El-Liq 73, El-Liq 74 can be shipped via air freight. 

Can I also use anaerobic sealants on plastic surfaces?

No. The hardening is activated via absence of air in combination with contact with metal. If there is no contact with metal, hardening can not be activated. 

Does El-Liq 73, El-Liq 74 cure?

Yes, El-Liq 73, El-Liq 74 cures under a combination of absence of air and contact with metal. Further properties of El-Liq 73, El-Liq 74 can be found in the technical data sheet.

How old is my El-Liq 73, El-Liq 74?

Details on the shelf life in unopened state are found in the technical data sheet. The direct product packaging contains the date of bottling in the form of a numerical code with the coding YYWWBBBB (year, week, batch number). 

My AFD does not go hard, why?

The curing of AFD is activated by a combination of contact with metal and absence of air. If AFD does not cure, it is missing either the metal surface or the absence of air. Other technical properties can be found in the technical data sheet.

Is El-Add 48 resistant to fuel?

Yes, El-Add 48 can be used in contact with fuels.

Is El-Fil 77 solvent-resistant?

No. El-Fil 77 is resistant to oil, grease, fuel, coolant, cold and hot water, as well as salt water. Further technical information and resistances can be found on the technical data sheet.

My El-Add 48 does not go hard, why?

The curing of El-Add 48 is activated by a combination of contact with metal and absence of air. If El-Add 48 does not cure, it is missing either the metal surface or the absence of air. Other technical properties can be found in the technical data sheet.

My El-Fil 77 does not go hard, why?

The curing of El-Fil 77 is activated by a combination of contact with metal and absence of air. If El-Fil 77 does not cure, it is missing either the metal surface or the absence of air. Other technical properties can be found in the technical data sheet.

My El-Liq 73, El-Liq 74 does not go hard, why?

The curing of El-Liq 73, El-Liq 74 is activated by a combination of contact with metal and absence of air. If El-Liq 73, El-Liq 74 does not cure, it is missing either the metal surface or the absence of air. Other technical properties can be found in the technical data sheet.

My El-Loc 70, El-Loc 43 does not go hard, why?

The curing of El-Loc 70, El-Loc 43 is activated by a combination of contact with metal and absence of air. If El-Loc 70, El-Loc 43 does not cure, it is missing either the metal surface or the absence of air. Other technical properties can be found in the technical data sheet.

What is the best way to prepare a surface for El-Liq 73, El-Liq 74?

First remove residues of the old sealant from the surface. Coarse residues can be removed extremely effectively with hot air (approx. 250°C) and a brush. Finer residues should be removed with a cloth and ideally with isopropyl (isopropyl alcohol) or brake cleaner. 

What is the difference between El-Add 48 and El-Liq 73?

El-Add 48 (green) is a thin bonding compound (with high breakaway torque), which is particularly well suited for securing bearings and shafts. Its key characteristics are its short fixture time and outstanding temperature resistance.  El-Liq 73 (yellow-green) is thin and suitable for non-positive connections on metallic components, such as housing and bearing covers, and for flange connections in engine, gearbox and power unit manufacture. El-Liq 73 replaces all kinds of flange seals. Other technical properties can be found in the technical data sheet. 

What is the difference between El-Fil 77 and El-Loc 43?

El-Fil 77 (yellow) is a pipe thread seal (up to M80) and is suitable for applications at low temperatures, such as maintenance work outdoors on industrial plants. El-Fil 77 is resistant to oil, grease, fuel, coolant, cold and hot water, as well as salt water.  El-Loc 43 (blue) is suitable for all metal thread seals (up to M36) and prevents loosening due to vibration, for example in gearboxes and engines. El-Loc 43 is resistant to mineral oils, synthetic oils, lubricating grease, fuels, organic solvents and coolant additives, cold and hot water. Other technical properties can be found in the technical data sheet. 

What is the difference between El-Liq 73 and El-Liq 74?

El-Liq 74 (orange) is used on torsion-resistant metal flanges, such as die-cast housings or pumps and has a higher viscosity than El-Liq 73. El-Liq 73 (yellow-green) is suitable for non-positive connections on metallic components, such as housing and bearing covers, and for flange connections in engine, gearbox and power unit manufacture. El-Liq 73 replaces all kinds of flange seals. 

What is the difference between El-Loc 70 and El-Loc 43?

El-Loc 70 (turquoise-green) is suitable for all metal threaded connections (up to M20) subject to impact loading (including high grade alloy steel), for example stud bolts in engines or pumps. El-Loc 43 (blue) is suitable for all metal thread seals (up to M36) and prevents loosening due to vibration, for example in gearboxes and engines. The connections of both products can be loosened using standard tools. Other technical properties can be found in the technical data sheet. 

What media is El-Fil 77 resistant to?

El-Fil 77 is resistant to oil, grease, fuel, coolant, cold and hot water, salt water. 

What media is El-Liq 73, El-Liq 74 resistant to?

El-Liq 73, El-Liq 74 is resistant to mineral oils (including additives), synthetic oils, lubricating grease, fuels, organic solvents and coolant additives, cold and hot water

What media is El-Loc 70, El-Loc 43 resistant to?

El-Loc 70, El-Loc 43 is resistant to mineral oils, synthetic oils, lubricating grease, fuels, organic solvents and coolant additives, cold and hot water. 

What oil is El-Fil 77 resistant to?

El-Fil 77 is resistant to oil, grease, fuel, coolant, cold and hot water, salt water. 

What oil is El-Liq 73, El-Liq 74 resistant to?

El-Liq 73, El-Liq 74 is resistant to mineral oils (including additives), synthetic oils, lubricating grease, fuels, organic solvents and coolant additives, cold and hot water

What oils is El-Loc 70, El-Loc 43 resistant to?

El-Loc 70, El-Loc 43 is resistant to mineral oils, synthetic oils, lubricating grease, fuels, organic solvents and coolant additives, cold and hot water. 

What wait time must be observed for El-Liq 73, El-Liq 74 until a functioning seal is created?

After installation with El-Liq 73, El-Liq 74, recommissioning is possible after 3-6 hours. 

When are anaerobic sealants used?

Anaerobic sealants are used on a metal/metal surface, e.g. for metal sealing flanges, on engine housings with integrated internal moving parts (camshafts/ water pumps/ gearbox).  The installation point consists of two metal surfaces and absence of air (no access to the ambient air). Under these conditions, the anaerobic reaction and hardening of the sealant begins. All other technical properties can be found in the technical data sheet.     

Where can I find the use by date or how do I find out the remaining shelf life of my product?

Details on the shelf life are found in the technical data sheet. The direct product packaging contains the date of bottling in the form of a numerical code with the coding YYWWBBBB (year, week, batch number). 

Why does surplus sealant outside the application area of an anaerobic sealant not harden?

With anaerobic sealants, the hardening is activated via absence of air in combination with contact with metal. Surplus anaerobic sealant material that remains outside the application area is not activated for hardening and remains liquid. The sealant material in the sealing area hardens with the absence of air. 

Can I also use Curil T2 in food areas, e.g. in contact with drinking water?

No. Although Curil T2 contains no ingredients that are harmful to health, it is currently not certified for use in food areas. 

Does Curil T2 contain critical quantities of substances of concern, toxic, harmful, environmentally harmful substances (SVHCs)?

No. Curil T2 is not subject to registration obligations (REACH, SCIP) in the sense of listed substances of concern (SVHC) of the European institution ECHA.

Does Curil T2 cure?

No, Curil T2 does not cure and remains permanently plastic. This property is ideal for surface sealing of flanges and covers, for example, which have to be opened, cleaned and sealed again frequently due to maintenance intervals. Further properties of Curil T2 can be found in the technical data sheet. 

Does the fuel resistance of Curil T2 apply to both diesel and petrol?

Yes, the fuel resistance of Curil T2 applies to both diesel and petrol. 

Has Curil T2 also replaced Curil K2?

Yes. Curil T2 has replaced the previous Curil T and Curil K2

How old is my Curil T2?

Details on the shelf life in unopened state are found in the technical data sheet. The direct product packaging contains the date of bottling in the form of a numerical code with the coding YYWWBBBB (year, week, batch number). 

Is Curil T2 solvent-resistant?

No. Curil T2 is resistant to mineral oils (including additives), synthetic oils, lubricating grease, coolants, cold and hot water, salt water, cleaning agents, weak acids and alkalis and fuels. 

Is my Curil T2 still suitable for use?

Details on the shelf life in unopened state are found in the technical data sheet. The direct product packaging contains the date of bottling in the form of a numerical code with the coding YYWWBBBB (year, week, batch number). 

What are the differences between the new Curil T2 and the old Curil K2 or Curil T?

Curil T2 is solvent-free and is therefore neither a hazardous substance nor dangerous goods. Curil T2 also has a higher gap filling capacity, remains permanently plastic without setting and requires no flash-off time. Other properties can be found in the technical data sheet. 

What does Curil T2 ProfiPress mean, what is it used for?

Curil T2 ProfiPress is a 200 ml compressed gas cartridge with nozzle. The compressed gas and the adjustable opening mechanism enable an extremely even sealing bead to be applied on the surface. It is even possible to apply the sealant "over head", e.g. in an installation pit, with Curil T2 ProfiPress. Other technical properties can be found in the technical data sheet. 

What is the best way to prepare a surface for Curil T2?

First remove residues of old sealant with a cloth and ideally with isopropyl (isopropyl alcohol) or brake cleaner. 

What media is Curil T2 resistant to?

Curil T2 is resistant to mineral oils (including additives), synthetic oils, lubricating grease, coolants, cold and hot water, salt water, cleaning agents, weak acids and alkalis and fuels. Details of other material resistances can be found in our Curil T2 resistance list. 

What oil is Curil T2 resistant to?

Curil T2 is resistant to mineral oils (including additives), synthetic oils, lubricating grease, coolants, cold and hot water, salt water, cleaning agents, weak acids and alkalis and fuels. 

What wait time must be observed for Curil T2 until a functioning seal is created?

For Curil T2, there is no wait time until a functional seal is formed. Following application on the sealing area and installation in the application, Curil T2 seals immediately. 

When is Curil T2 used?

Curil T2 is a universal sealant, offers outstanding adhesion on all surface materials and has a wide range in terms of thermal and chemical resistance. Curil T2 seals immediately without flash-off time, remains permanently plastic without hardening and can be removed again easily after disassembly. This makes Curil T2 particularly suited for challenging sealing connections and applications for surface sealing of flanges and covers, for example, which have to be opened, cleaned and sealed again frequently due to maintenance intervals. Further properties of Curil T2 can be found in the technical data sheet. 

Why are Curil K2 or Curil T no longer available? What is different about the successor Curil T2?

Curil T2 is solvent-free and is therefore neither a hazardous substance nor dangerous goods. Curil T2 also has a higher gap filling capacity, remains permanently plastic without setting and requires no flash-off time. Other properties can be found in the technical data sheet.