Is this a waterproof sealant? Will this work on a doll (vinyl) face repaint ?

Hi, this is a lacquer type coat, once dried it will protect perfectly your work

If i use this do i still need paint primer?

I would think so? This is typically applied as the very last step, so your paints should look better and apply easier with primer.

Would this also be considered a satin topcoat?

Maybe given the material or color it covers. But it is not satin finish by nature

Is this product more special or something cause this is 25$ and on a different website it’s 6.50$

Without seeing what the other product is on the other site I am unsure. However all this product does is apply an invisible coat that protects your model as well as give it a flat matte look for a less glossy, more natural appearance.

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TOPCOAT Gundam Mr. Hobby Top Coat Flat NET 88ml. Spray

Product ID: 50422559

Details

Brand
GSI Creos
Colour
Transparent
Finish type
Matte
Item volume
86 Millilitres
Paint type
Acrylic
Size
88 ml (Pack of

⏳24h full cure time

🎨Matte flat finish

🛡️Waterproof sealant

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KD 10.80

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Description

🎨 Seal your style with the pro’s choice for a flawless matte finish!

TRUSTED BY PROS - Join 1,495+ enthusiasts who rate this top coat 4.5 stars for consistent, high-quality results.
FLAWLESS MATTE FINISH - Transform glossy surfaces into sleek, professional flat coats that elevate your model’s realism.
EFFORTLESS APPLICATION - Spray from 30cm for an even, smooth coat—perfect for busy creatives craving precision and speed.
ULTIMATE PAINT PROTECTION - Shield your masterpiece with a durable, waterproof acrylic sealant that locks in your colors.
VERSATILE SURFACE COMPATIBILITY - Ideal for plastic, metal, stone, and more—expand your creative horizons without limits.

The TOPCOAT Gundam Mr. Hobby Top Coat Flat Spray (88ml) by GSI Creos is a waterproof acrylic sealant designed to protect and enhance painted models with a professional matte finish. With a 24-hour full cure time and easy spray application, it’s trusted by thousands of hobbyists for delivering durable, even coverage on plastic and various surfaces.

Specifications

ASIN	B0000WS12C
Age Range Description	Adult
Brand Name	GSI Creos
Colour	Transparent
Colour Code	#D3D3D3
Container Type	Box
Coverage	0.86-1.05 m² per 0.086 litres
Customer Reviews	4.5 4.5 out of 5 stars (1,497)
Dry Time In Hours	24
Finish Type	Matte
Full Cure Time	24 Hours
Global Trade Identification Number	04973028507829
Included Components	B503 Mr. Top Coat Flat Spray, GSI
Indoor Outdoor Usage	Outdoor
Is Waterproof	True
Item Form	Aerosol
Item Volume	86 Millilitres
Item Weight	0.1 Kilograms
Manufacturer	Gunze
Model Name	B503 Mr. Top Coat Flat Spray, GSI
Model Number	B503
Paint Type	Acrylic
Part Number	GNZ-B503
Size	88 ml (Pack of 1)
Special Features	Glow
Specific Uses For Product	Attribute not applicable for product
Surface Recommendation	Concrete, Metal, Stone, Terracotta
Unit Count	88.0 millilitre
Water Resistance Level	Waterproof

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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TrustScore 4.5 | 7,300+ reviews

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