Potassium dichromate and sulfuric acid are commonly used as blackening agents for stainless steel in the prior art. The blackening agent contains potassium dichromate, which pollutes the environment. At the same time, the color of the stainless steel film obtained by using the blackening agent is uneven and has overtones. and other defects.
Our heavy duty blackening agent is Concentrate for blackening stainless steel. Mix 9 to 1 with water. Makes 5 cups of blackening solution. Works in 2-6 minutes. The pictures show steel objects submerged for 5 minutes. Significant blackening action takes place in 1 minute. Directions instruct to submerge for 2-6 minutes. 4 oz of concentrate will make 40 ounces (2 1/2 pints) of solution and will blacken many items. May be stored after it is mixed for blackening at a later date.
Precautions!
● This heavy duty blackening agent for stainless steel smells like an industrial grade product and is not allowed to be eaten. Infants, young children and the elderly are not allowed to touch it to avoid accidental ingestion.
● Please wear acid and alkali-resistant gloves, goggles, protective clothing and other necessary protective equipment to avoid skin contact.
● This product needs to be stored in a ventilated and dry place, away from direct sunlight.
● For materials with uncertain effects, they must be tested on a small area before using them on a large area.
If the solubility of this heavy duty blackening agent for stainless steel decreases too much, the medicinal solution should be replenished in time to increase the solubility of the medicinal solution. The soaking time in the blackening liquid should be as short as possible to meet the surface requirements. Wash immediately after blackening to avoid discoloration of the product surface or fixation of the surface.
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