A quick drying, clear sealer that allows the application of both paints or varnishes, unlike white...A quick drying, clear sealer that allows the application of both paints or varnishes, unlike white MDF sealers which can only be painted. This water-based acrylic emulsion dries to a clear film and is suitable for interior and exterior use on all grades of MDF. It has a low odour, cleans brushes in water, and offers excellent sealing properties. It can also be used on wood as a sealer that sands easily and conforms to the Safety of Toys Regulation. Touch dry in 30 minutes and re-coatable in 2 hours.
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Product Information
Full details
This guide is for anyone using Rustins Quick Drying MDF Primer Sealer. It helps you effectively seal MDF, preventing distortion and swelling, leading to a smooth surface ready for paint or varnish. Note that optimal results are achieved within specific temperature ranges, so be mindful of your working environment.
All features
Colour
White
Model Part Number
MDFS500
Brand
Rustins
Extended Product Information
FAQs
What is the coverage of Rustins Quick Drying MDF Primer Sealer?
The coverage is approximately 6 square meters per 500ml.
Can I use this sealer outdoors?
Yes, it is suitable for both interior and exterior use.
How long does it take to dry?
It dries in approximately two hours under optimal conditions (15-25°C).
What should I use to clean my equipment after use?
Clean brushes and equipment with water immediately after use.
What is the ideal temperature range for application?
The ideal temperature range is between 15°C and 25°C. Avoid use below 10°C.
Can I apply multiple coats?
While only one coat is required, additional coats can be applied if needed. Ensure each coat is fully dry before applying the next.
Is this product suitable for use on children's toys?
Yes, it conforms to the Toys Safety Regulations 1995, BS EN 71 Part 3.
Troubleshooting
Sealer not drying properly
Ensure the temperature is between 15°C and 25°C and humidity is not too high. Check the product expiry date.
Paint/varnish not adhering to the sealed surface
Lightly sand the sealed surface to provide a key for the topcoat. Ensure the sealer is fully dry before applying paint or varnish.
Pros and Cons
Pros
Quick drying time for faster project turnaround.
Water-based formula for easy application and cleanup.
Suitable for both interior and exterior applications.
Effectively seals MDF to prevent warping.
Cons
Application is temperature sensitive; not suitable below 10°C.
Requires only one coat, which might not be enough for some MDF grades.
Setup, Compatibility & Care
Preparation: Ensure the MDF surface is clean, dry, and free of dust or grease. Lightly sand any rough areas for optimal adhesion.
Application: Apply a single, even coat of Rustins Quick Drying MDF Primer Sealer using a brush, roller, or spray. Avoid applying too much product, which can lead to runs or sags.
Drying: Allow the sealer to dry for approximately two hours at temperatures between 15°C and 25°C. Avoid application below 10°C or in high humidity conditions.
Overcoating: Once dry, the sealed surface can be overcoated with paint or varnish.
Compatibility: This sealer is compatible with most paints and varnishes. Always test compatibility on a small, inconspicuous area first.
Care: Clean brushes and equipment immediately after use with water. Store the product in a cool, dry place, away from direct sunlight and extreme temperatures.