Delway Technical Services

                  Blacking kits - Liquid

 

 

                                      METALBLAK – user instructions for liquid kits  

 

 

 

 

         

 

 

 

 

 

 

 

 

 

 

 

 

Room temperature blacking for iron, steel and cast iron, zinc and brass.

 

Our liquid kits contain all of the chemicals you need to complete the blacking process - Degreaser, Conditioner, Blacking liquid (Metalblak, Brassblak or Zincblak) and Oil Sealer. 

All of our chemicals are supplied in concentrate form. 

Containers used for our blacking process need to be of a non-corroding material,

polyethylene or stainless steel. 

 

Process

 

Please wear gloves and keep solutions out of reach of children.

Ensure the components to be treated are free from rust/scale. METALBLAK Rust Remover

can be used for the removal of rust/scale (can be bought separately)

 

Dilute with clean mains water, as follows:

 

Stage one                        Degreaser                 -    1 part water to 1 part product

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Stage two                        Conditioner              -    9 parts water to 1 part product

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Stage three                     Metalblak                 -    3 parts water to 1 part product

                                        Brassblak                  -    4 parts water to 1 part product

                                        Zincblak                    -    4 parts water to 1 part product

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Stage four                        Oil sealer                   -    use as supplied                        

 

 

For best results the process temperature should be maintained at 18C.

 

 

Stage one - Degreasing  

 

Fully immerse the component in the degreaser for 10 minutes

Agitate occasionally

Please note : highly polished surfaces and certain finishes may require the Degreaser to be used at 70C

Rinse in flowing water for 30seconds - 1 minute

 

Stage two – Conditioner  

 

Fully immerse the component in the conditioner for 30 seconds to 1 minute

Agitate occasionally

Rinse in flowing water for 30 seconds - 1 minute

 

Stage three - Blacking Solution

 

Fully immerse the component in the Blacking Solution for 30 seconds to 2 minutes

Agitate occasionally

When black remove component from solution. You will not increase the depth of Black by extending theimmersion times.  

 

With Brassblak - it may be necessary to remove surface powder from the components

by cloth. This will result in a pewter black finish.

 

Rinse in flowing water for 30 seconds - 1 minute

Remove excess water with a cloth or compressed air.

 

Stage four – Oil Sealer

 

Fully immerse the component in the Oil Sealer for 10 minutes

Agitate occasionally

Drain and dry for 45 minutes +

 

 

Instruction diagram:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Please note: to maintain maximum corrosion protection do not remove the oil from the component.

 

Antique Effect

 

To achieve an aged effect with Zinc, brass and copper  - relieve the components to allow the base metal to show through and seal with a lacquer to maintain finish.