🖤 Elevate Your Metal Game with Instant Black Brilliance
Birchwood Presto Black BST4 is a 1-gallon, AMS 2484 compliant cold blackening solution designed to deliver a smooth, uniform black oxide finish on ferrous metals like iron, steel, and cast iron. Made in the USA, this fast-acting formula offers versatile application methods and is compatible with all sealants, making it ideal for industrial, architectural, and touch-up uses.
Color | Black |
Brand | Birchwood |
Surface Recommendation | Metal |
Material | Iron |
Model Name | Presto Black BST4 |
Size | 1 Gallon |
Coating Description | High-quality black patina coating creating a smooth, uniform black finish on ferrous materials |
Item dimensions L x W x H | 3 x 3 x 9 inches |
Finish Type | Metallic |
Style | Classic |
Recommended Uses For Product | Industrial, Touch-up |
Coverage | 100-150 sq ft/gallon |
Compatible Material | Iron, Steel, Cast Iron |
Liquid Volume | 1 Gallons |
Paint Type | Watercolor |
Base Material | Iron |
Package Information | Jug |
Number of Items | 1 |
Manufacturer | Birchwood Laboratories LLC |
Unit Count | 128.0 Fl Oz |
Part Number | 530040 |
Product Dimensions | 3 x 3 x 9 inches |
Country of Origin | USA |
Item model number | 530040 |
Finish | Metallic |
Usage | Interior/Exterior |
Included Components | 1 Quart BST4 |
Batteries Required? | No |
J**H
Not as good as hoped.
I have used the Birchwood PC9 and loved it, this version does not work as well. Multiple coats resulted in an ok finish but not as dark as one coat of PC9 would acheive.Kinda bummed and shoping for alternatives
J**U
OK
It works on 1095 knife's, but I honestly didn't see much difference between this and Perma Blue. Except price.
A**Y
Works ok if directions are followed.
Does not work as well as some other blacking products I have used in the past.
M**N
Works Great!!
We use this product in our machine shop for small parts that we need a black oxide finish on and do not have the time to wait for our vendor to do it. Very happy with the finish we get and have never had a complaint from our customers.
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