Bituseal Primer
Bituseal Primer
Bituseal Primer is a specially formulated solvent based steel primer providing excellent adhesion and designed to be completely compatible with Bituseal Enamel.
It is ready for use upon delivery (after stirring) and may be applied to clean and grit blasted steel pipes by spraying (or brushing). For normal thicknesses (dry film thickness 20-30μm, wet film thickness 100μm) the primer coverage rate is 10 m2 per liter.
The wet film thickness may be regulated by ±20μm, which will result in a variation in dry film thickness of 5μm. At 25°C ambient temperatures and under normal ventilation the drying time varies from 5-12 minutes depending on pipe temperature. During application, the pipe temperature should be between 10-50°C and at least 3°C above the dew point.
Storage
It should be hermetically sealed and stored at temperatures between 5°C and maximum 30°C. Provided that the product is stored under these conditions it has a shelf life of one year.
Standards
It meets or exceeds all the requirements of EN 10300, type 2.
Quality Control
All raw materials for Bituseal Primer are tested and approved in the laboratories of Merco. Each batch is tested for compliance with the product specification and a quality certificate is provided with each delivery.
Delivery
It is available in 210-liter steel drums.
Technical Data of Bituseal Primer
| Properties | Unit | Requirement | Method of test |
| Flow Time (Cup 4 mm) | Sec | 35 to 60 | EN ISO2431 |
| Flash Point (Closed Cup) | °C | 23 | ISO 13736 |
| Volatile Matter | % | 75 | 10300, Annex H |