SpEC

SpECseal Primer 25

Two-component primer for joint surfaces preparation.

SpECseal Primer 25 is a specialized two-component liquid primer designed for effective preparation of joint surfaces before applying sealants. It enhances adhesion on both porous and non-porous materials, ensuring a reliable bond for optimal performance. The product’s quick-drying nature allows for efficient project scheduling, making it ideal for demanding construction environments.
With a shelf life of 12 months, proper storage and application technique are essential for achieving the best results in various applications.

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Technical Details

SpECseal Primer 25 is ideal for various applications in construction, particularly when preparing surfaces for sealant application:
  • Preparation of porous surfaces such as concrete, brickwork, and stonework.
  • Application on asbestos and timber surfaces.
  • Priming of non-porous materials including stainless steel and ceramics.
SpECseal Primer 25 offers several advantages that enhance its performance and usability in construction applications. Its formulation and properties contribute to effective surface preparation before sealant application, ensuring a high-quality outcome.
  • Two-component system ensures optimal adhesion for both porous and non-porous surfaces.
  • Quick-drying time allows for efficient project workflow and scheduling.
  • Extended pot life of over 24 hours facilitates easy handling and application.
  • Compatible with a wide range of materials, increasing versatility.
  • Clear color provides a clean finish without affecting the aesthetics of the joint surfaces.
SpECseal Primer 25 provides essential technical information to ensure proper application and performance in construction projects:
Property Value
Colour Clear
Specific Gravity 0.98
Cure/Dry Time ½ – 2½ hrs
Pot Life >24 hrs
Storage and Shelf Life 12 months
Application Temperature Range Minimum 5°C / Maximum 40°C
Flash Point >30°C
Application of SpECseal Primer 25
Surface Preparation:
Joint surfaces to be primed must be completely dry and free from all dirt, dust, cement laitance, and other loose and deleterious matter. This is best achieved by grit or sand blasting or thorough wire brushing and then blowing clean with oil-free compressed air prior to the installation of backer rod or bond breaker tape.
Mixing:
SpECseal Primer 25 is a two-component primer. The base and hardener components should be mixed together for 2 minutes to produce a uniform consistency.
Application:
The primer should be applied to clean, dry surfaces prior to the installation of backer rod or bond breaker tape. The freshly mixed SpECseal 625 should be applied after the primer solvent has been released and when it is just touch dry. The sealant should be applied ½ – 2½ hours after priming.
Equipment Cleaning:
Clean equipment with SpECseal Cleaning Fluid immediately after the tooling is finished.
SpECseal Primer 25 is available in the following packaging:
  • 1 litre pack

For warranty information related to SpECseal Primer 25, please contact our team at SMCC using any of the contact methods available on this page for more details.

Product FAQ

SpECseal Primer 25 can be used on porous surfaces like concrete, brickwork, stonework, asbestos, and timber, as well as non-porous materials such as stainless steel and ceramics.
SpECseal Primer 25 typically dries in ½ to 2½ hours.
The application temperature range for SpECseal Primer 25 is a minimum of 5°C and a maximum of 40°C.
During application of SpECseal Primer 25, ensure adequate ventilation to avoid inhaling vapors. Wear suitable protective clothing, gloves, and eye/face protection. If contact occurs, wash skin with soap and water and rinse eyes with water. In case of swallowing, seek medical attention immediately and do not induce vomiting.
The pot life of SpECseal Primer 25 is over 24 hours.
Clean equipment with SpECseal Cleaning Fluid immediately after use.

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SpECseal Primer 25