This Product is water solvable ?

I do not believe that it is. It is more like an oil color pigment that can be cut with linseed oil and cleaned up with a suitable solvent such as mineral spirits. It it used for determining the clearance between close fitting parts and to determine the flatness of metal parts by rolling it on a flat surface and then placing the part to be checked for flatness by laying it on the flat surface. It is moved over the surface and then picked up and inspected. Blue spots on the part indicated high spots that need to be scraped or filed away. This process is repeated as many times as needed until the part is uniformly covered with an even coating of blue patches.

Could this be used for stock inletting?

This is a non drying marking compound used for checking contact between mating surfaces. It could be used for inletting on non porous stocks but it would soak into wood as it is oil based.

Can I use this product on wood

This product is used mostly for showing points of contact between metal surfaces for final fitting and machining. It will stain anything it touches blue, but for wood finishing, I would recommend a prussian blue paint as this is non drying.

Does this show up well when applied to a black surface?

It does show but not that well. You'd might be better using the yellow stuff

Permatex 80038 Prussian Blue Fitting Compound 0 75 Fl Oz

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

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€ 43.43

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Sold byAmazon FinlandDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔧 Nail every fit with the blue that means business!

TRUSTED BY PROS - Top-rated with 4.8 stars from 900+ expert users
HIGH SPOT LOCATOR - Instantly reveals uneven surfaces on bearings, valves, and gears
EFFORTLESS CLEANUP - Wipes away easily—no mess, no stress
NON DRYING FORMULA - Stay-ready compound that won’t harden or crack over time
PINPOINT PRECISION FIT - Ensures flawless mating of machined surfaces for peak performance

Permatex 80038 Prussian Blue Fitting Compound is a 0.75 fl oz precision paste designed to locate high spots on machined surfaces like bearings, valves, and gears. Its non-drying, low-viscosity formula ensures easy application and cleanup, making it an essential tool for mechanical assembly and repair. Made in the USA and highly rated by professionals, it guarantees accurate fitting and superior performance.

Specifications

ASIN	B000HBM86Q
Brand	Permatex
Colour	Blue
Compatible Material	Ceramic
Container Type	Tube
Country Of Origin	USA
Customer Reviews	4.8 out of 5 stars 912 Reviews
Item Form	Paste
Item Package Quantity	1
Item Volume	22.5 Millilitres
Item form	Paste
Manufacturer	Permatex
Manufacturer Part Number	80038
Material	Aluminum Oxide
Model Number	80038
Number of Pieces	1
Other Special Features of the Product	High Spot Locating
Special feature	High Spot Locating
Specific Uses For Product	Repair, Mechanical Assembly
Specific uses for product	Repair, Mechanical Assembly
UPC	079340800380
Viscosity Level	Low
Water Resistance Level	Not Water Resistant

Reviews

M**D

It works

Did exactly what I expected it to do and the speed it came from Latvia was incredible.

2.08.2019

R**O

Excelente producto

21.06.2021

U**1

Genuine product

Perfect genuine product

7.12.2025

R**O

The blue is a little dark but otherwise good!

Helped me rebuild my E36 LSD, the blue can be hard to see without good lighting but otherwise I was happy with it.

9.07.2026

R**Y

Roy’s Review

Very good service product as described

21.05.2026

E**D

check what you purchase carefully'

good product to use.

6.07.2026

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TrustScore 4.5 | 7,300+ reviews

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The MOLLE sheath is of exceptional quality. Very happy with my purchase.

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4 days ago

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