Blackfast Room Temperature Blackening Systems
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Description
We are offering 'Blackfasts', a room temperature blacking process that operates with a simple dip operation. Specifically designed for being used in factories, the dimensions are not effected materially by this process. Over the machined surfaces, threads and blind holes, a uniform coloring is obtained by this process. By the chemical conversion of the metal surface blacking is achieved. The process entails degreasing, immersion in a surface conditioner, and blacking solution. By a final immersion in dewatering oil, corrosion protection is achieved.
Basic training: oiling
The products offered under this range are:
- Iron & Steel Blacking Solution
- Antique Brass, Copper, Pewter Solution
- Antique Zinc Solution
- Degreasing Solutions & Powders
- Acid Pickling Solutions
- Alloy Wheel Strippers
- Dewatering Oils
- Rust Removers
- Paint Strippers
Basic training: degreasing, conditioner & blackinMake sure the metal is really clean (a patchy black means it is not clean enough)
- Keep solution up to strength
- Keep solution > 15 ° C
- Don't overblack (if this has happened, wipe off smut before immersing into oil)
Basic training: oiling
- Install a grill in the bottom of the tank
- Drain off displaced water
- Keep a separate basket for the oil tank or degrease the basket after use
- Allow enough time in the oil for water to be shed from the black surface
- Agitate small items
- Rotate those with complicated shapes
- Top up regularly
- Replace lids when not in use
- Allow components to dry before handling
- Don't allow oil to be wiped off component
product | dilution (solution:water) |
op. temp | immersion time |
|
---|---|---|---|---|
degreasing (cold) | Blackfast 716 | 1:1 | 18-22°C | 10-20 mins |
degreasing (hot) | Blackfast 626 | 6-8 | 80°C | 10 mins |
conditioner | Blackfast 551 | 1:9 | 18-22°C | 30-60 sec |
blacking | Blackfast 181 | 1:3 | 18-22°C | ~1 min |
oiling (mineral oil) | Blackfast 817, 833, 841 | 1:0 (neat) | ambient | 20 mins |
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Blackfast Room Temperature Blackening Systems
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