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Nickle-free Sealing Agent SMH


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Product Details


Name     Type

Sealing Agent

Model/Specification

SMH

SpecialProperty

Nickel-free medium temperature hot water sealing additiveSMHLiquidSuitable for stain-free sealing of anodized films, with excellent sealing quality. Can be used for stain-free sealing of transparent anodized films, overall coloring, electrolytic coloring, and organic dye-adsorbed films.

Usage Conditions

Usage Amount

Sealing Temperature

Sealing Time

pH

5g/L

86-90°CFor outdoor construction

82-85°CFor others

2 min/μm

Maximum3 min/μm

5.7-6.3

 

 

The usage amount mainly depends on the quality of water and the type of anodized film, preferably using deionized water. To ensure optimal sealing conditions, the values should be checked when preparing the sealing solution or during use.pHand diluted ammonia or acetic acid should be added as required to adjust.pHAs a sealing stain suppressor,SMHthe concentration should not be too high, as a high concentration may lead to a slightly higher weight loss in the sealing quality test."Weight loss method with nitric acid pre-immersion in phosphoric acid"is slightly higher.(ISO 3210),15mL/LHigh concentrations are still acceptable.. 

Packagingand Storage

25kg/Barrel, liquid form, stored ina cool, dry storage room, avoidingdirect sunlight, high temperatures, and must be sealed properly after use.

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