DELTAPrime 2K SF Primer is a two component, solvent-free, medium viscosity epoxy primer specifically designed for sealing and priming concrete substrates.

Our product is ideal for solidifying porous and weak concrete substrates and can be combined with quartz sand to make a fast curing hard patch repair material.


  • Formulated at 1:1 ratio by volume for easy application with brush, spray or roller.
  • Penetrates deeply into concrete surface
  • Solvent-free.
  • Non-hazardous.
  • Exceptional adhesion to correctly prepared concrete, steel and most common construction substrates.

Typical Uses

  • As a penetrating concrete densifier and primer prior to the application of DELTA protective linings.
  • As a patch repair material when combined with either quartz sand or DELTAPrime Filler.
  • As a base coat for DELTA floor coatings.
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Processing Properties

Pull off strength – mPa ASTM D-4541 Steel: ≥ 6
Concrete: ≥ 1.5
Impact Resistance [J/mm] DIN EN 10290-2004 Class: A 23° C: 9.0
-5° C: 7.0
Surface resistance [Ohm] DIN IEC 60167 ≥ 1.0*10^11
Volume resistance [Ohm] DIN IEC 60093 ≥ 1.0*10^11

Physical Properties

Mixing Ratio 1:1
Tack free time @ 30°C approximately 1 – 2 hours
Coverage on Concrete (*) 1st coat approximately 250 grams / m²
2nd coat approximately 150 – 175 grams / m²
Overcoat Window Up to 20°C maximum 72 hours
Up to 21-35°C maximum 60 hours
@ 35°C plus maximum 48 hours
Hardness (Shore D) 70 – 80
Temperature range for application +5 to +50°C
VOC Content ASTM D–1259 Zero
Solids content – % ASTM D-2697 100 %


DELTAPrime 2K SF is supplied in 10 kg packaging for each component.

Equipment Cleaning

Equipment can be cleaned with paint thinner and common solvents immediately after use. Note that hardened material can only be removed mechanically


Approximately 12 months from the date of manufacture, when kept in original containers under standard storage conditions.

All guidelines, recommendations, statements, and technical data contained herein are based on information and tests we believe to be reliable and correct, but accuracy and completeness of said tests are not guaranteed and are not to be construed as a warranty, either expressed or implied. It is the user`s responsibility to satisfy himself, by his own investigations and testing, the suitability of the product for his own intended use, application and job situation and user assumes all risk and liability resulting from his use of the product. These products require specialized equipment and skills to apply. It is the purchaser`s responsibility to ensure that they have the necessary equipment, skills and experience to apply these products. Neither seller nor manufacturer shall be liable to the buyer or any third person for any injury, loss or damage directly or indirectly resulting from use of, or inability to use, the product. Technical and application information is provided for the purpose of establishing a general profile of the material and application parameters. Test performance results were obtained in a controlled environment and DELTA Coatings International LLC makes no claim that these tests or any other tests can be accurately reproduced in all environments.
The rights of the purchaser regarding the quality of our materials follows completely our general terms and conditions. For requirements, which exceed the scope of the above-mentioned applications please contact DELTA technical staff.
DELTA Coatings International LLC reserves the right to change or modify the details and data contained herein at any time.
Valid is only the actual version of this technical data sheet in each case.
*DELTA recommends that in all applications involving chemicals a pre-test of the lining’s suitability in the customer`s application is conducted. Consult with DELTA Technical Team.
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