Question 1

What is National Synthetic Clear Varnish Gloss I and what does it do?

Accepted Answer

National Synthetic Clear Varnish Gloss I is a water-based interior finish that provides a beautiful, glossy coating for wood and other surfaces. It protects against moisture, wear, and abrasion while delivering a durable, high-gloss or chosen sheen finish.

Question 2

What surfaces can I apply this varnish to?

Accepted Answer

It can be applied to interior wood, and is suitable for use on metal, masonry, plaster, and other common interior substrates. It’s versatile for furniture, cabinets, doors, trim, and other interior woodwork.

Question 3

What finish options does it come in and which is best for furniture?

Accepted Answer

Gloss I is part of a line that offers various sheens from low-gloss satin to high-gloss gloss. For furniture, a higher gloss can highlight grain and provide a durable topcoat, while satin finishes offer a more subdued look with easier touch-ups.

Question 4

How do I apply it and how long does it take to dry and recoat?

Accepted Answer

The varnish dries quickly and can be recoated in as little as two hours, depending on temperature and humidity. For best results, apply thin, even coats with a brush, roller, or spray, and allow each coat to dry before light sanding and applying the next.

Question 5

How durable is it against moisture, abrasion, and yellowing?

Accepted Answer

This water-based varnish provides long-lasting protection against moisture and wear, with good resistance to cracking and yellowing. It’s designed to maintain clarity and provide a durable surface for interior woodwork.

Question 6

Is the formula water-based and safe for indoor use?

Accepted Answer

Yes. It’s a water-based, environmentally-friendly formula that cleans up with soap and water and is suitable for indoor applications with proper ventilation.

Question 7

What preparation is needed before applying the varnish?

Accepted Answer

Prepare the surface by cleaning to remove dust, grease, and oils. Lightly sand to create a smooth, even surface, wipe away dust, and ensure the surface is dry before applying the first coat.

Question 8

How should I clean up after applying or if I need to redo a coat?

Accepted Answer

Cleanup is with soap and water. If you need to recoat, make sure the previous coat is dry and lightly scuff-sanded for good adhesion before applying the next coat.

Question 9

Can I use this varnish on exterior projects like decks or siding?

Accepted Answer

While designed for interior wood surfaces, it can be used for certain exterior projects under appropriate conditions. Check product guidelines and consider exterior-grade options if you expect prolonged exposure to weather.

Question 10

How much coverage do I get per liter and how many coats are recommended?

Accepted Answer

Coverage depends on substrate and application method, but typically multiple thin coats are recommended for best protection and finish. Refer to the product label for exact coverage per liter andcoat recommendations for your project.

Question 11

How does this compare to other similar varnishes available on Fepy.com?

Accepted Answer

For direct product-to-product comparisons, review similar water-based gloss or satin varnishes on Fepy.com. To see exact matches and specs, check the related product pages on Fepy.com and compare finish, durability, drying times, and cleanup. (URLs to the exact competing products can be added here for precise side-by-side comparisons.)

Question 12

What safety and compliance considerations should I know before using this varnish?

Accepted Answer

Work in a well-ventilated area and follow label instructions. While water-based and generally low-odor, ensure good ventilation, wear protective gloves if needed, and keep away from heat or open flames. Store sealed and out of reach of children and pets.

COLOUR, DRY FILM	Clear
FINISH, DRY FILM	Glossy Semi-glossy Matt
VOLUME SOLIDS	42 ± 2% 45 ± 2% 48 ± 2% (ASTM D2697)
SPECIFIC GRAVITY	0.90 ± 0.05 0.92 ± 0.05 0.94 ± 0.05
THEORETICAL SPREADING	16.5 – 14 M2/LTR 18 – 15 M2/LTR 19 – 16 M2/LTR
RECOMMENDED DFT (DRY FILM)	25 – 30 25 – 30 25 – 30 Microns/Coat Microns/Coat Microns/Coat
RECOMMENDED WFT (WET FILM)	60 – 70 55 – 65 55 – 65 Microns/Coat Microns/Coat
Microns/Coat FLASHPOINT	38ºC 38ºC 38ºC Glossy Semi-glossy Matt
TOUCH DRY	8 – 10 hours 6 – 8 hours 6 – 8 hours
DRY TO RECOAT	24 hours 24 hours 24 hours
HARD DRY	48 hours 48 hours 48 hours
APPLICATION METHOD	Brush, Roller, Spray, etc.
CLEANING/THINNING	National GP Thinner
THINNER (VOLUME)	5 – 10% depends on the method of application
CONV. SPRAY REQUIREMENTS	Possible

Pressure	2000 – 2200 psi
NOZZLE SIZE	0.018” – 0.020”
MIXING RATIO (BY VOLUME)	One pack
POT LIFE @ 30ºc (100 ml)	NA

ورنيش صناعي شفاف لامع من شركة الأصباغ الوطنية سعة (3.6L)

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Frequently Asked Questions