Technical Datasheet
DirkoTM HT | the permanently-elastic, temperature-
resistant sealing compound
Description and field of application
DirkoTM HT is a high-temperature sealing compound on a silicone base.
DirkoTM HT cures by reacting with the humidity in the air. The cured
sealing compound is permanently resilient. The product is characterized
by a very large range of applications.
1. General product information
Chemical basis Acetoxy silicone
Curing Room temperature vulcanized (RTV)
Components One component
Color Red
Consistency Pasty, stable, in the cured state permanently
resilient
Temperature range -60°C to +280°C (briefly +315°C)
Maximum sealing gap 2.0 mm
Electrical conductivity Insulating
Resistant to Oil, grease, coolant, UV radiation, cold and hot
water, salt water, detergents, weak acids and
lyes, etc.
Possible applications Valve cover, oil pan, water and oil pump,
differential housing, gearbox, gear oil sump,
thermostat housing, control housing, shaft cover,
flanged connection, headlamp, tail light, battery
compartment, etc.
Elring Sealing Compound
TM
Dirko HT
Technical Datasheet
2. Technical data
Measurable variables Value Test standard
Shore A hardness 36-46 Shore DIN 53505
Density 1.30 g/ml DIN 53479
Skin formation time (23°C, 5-15 min ISO 291
50% relative humidity)
Volume shrinkage 4% DIN 52451
Tensile strength 1.3 N/mm2 DIN 52455
3. Usage instructions
Remove sealant residues and clean the sealing surfaces with solvent.
The sealing surfaces must be clean, dry and free from oil and grease before the sealant compound is
applied.
Apply the sealant compound continuously and uniformly.
Immediately remove excessively applied sealing compound, as there is a risk that this may drip inside.
Fit components in accordance with the manufacturer’s specifications.
An immediate sealing function applies.
Close the sealing compound after use.
Safety and technical data sheet at www.elring.de
4. Storage
Optimum storage conditions: cool (+5°C to +25°C) and dry
Minimum shelf life: 12 months in unopened containers
Elring Sealing Compound
TM
Dirko HT
Technical Datasheet
5. Type of delivery
Article Type of Filling Packaging Languages (warnings for
No. packaging quantity unit hazardous materials)
705.707 Tube, long 70 ml 12 pieces BG/DK/DE/
and short EN/FR/EL/IT/HR/LT/LV/ NL/PL/
nozzle, tube PT/RO/RU/ SE/SK/ES/ CZ/HU
key
465.765 Cartridge, 310 ml 12 pieces BG/DK/DE/
nozzle EN/FR/EL/IT/HR/LT/LV/
NL/PL/PT/ RO/RU/SE/
SK/ES/CZ/ HU
Large containers on request
6. Exclusion of liability
The details provided above in this technical data sheet, in particular proposals for the processing
and range of use of our products, are based on our current knowledge and experience. Due to the
range of possible applications and the conditions of use and work which are beyond our control, we
do not accept any liability for the suitability of our products for the relevant production processes
under the specific operating conditions as well as for the intended processing purposes and results.
To ensure such suitability, in any event we recommend carrying out adequate prior suitability trials
and tests.
Any liability arising from the information in this technical data sheet and from other written or verbal
advice for this product is expressly excluded, unless something else was contractually agreed
individually, where loss of life, injury or damage to health exists, unless caused by us intentionally or
due to gross negligence, or liability applies according to mandatory product liability regulations.
ElringKlinger AG | Aftermarket Division
Max-Eyth-Straße 2 | D-72581 Dettingen/Erms
Fon +49 71 23 724 622 | Fax +49 71 23 724 609
elring@elring.de | www.elring.de
