Anodal® SH-2 Liquid Medium Temperature Nickel-Free Sealing Agent

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Product Details

It is very suitable for the stain-free sealing of anodized films, achieving excellent sealing quality.

Developed by Clariant and patented in several industrial countries.

Traditional sealing processes must be conducted at temperatures above 96°C. The energy cost is relatively high. To reach this temperature,

the sealing tank must use independent heating equipment.

With the increasing awareness of environmental protection, many customers have begun to abandon nickel-containing sealants in favor of nickel-free sealing products,

Anodal SH-2 is a very ideal choice. 1. Performance

Appearance: Transparent, slightly yellowish solution.

Solubility: Miscible with water in any proportion. Storage period: Under sealed original packaging at

0-40°C. At least 1 year.

Safety data: See safety data sheet ( ). 2. Application range 3 ®

Suitable for both dyed aluminum parts and parts that have been anodized but not dyed. MSDS 3. Application conditions

Usage amount

Anodal 2-3 ml/l, SH-2 the usage amount mainly depends on the quality of water and the type of anodic film, preferably using deionized water.

Sealing temperature

86-90°C

suitable for outdoor building materials. 82-85°C

suitable for aluminum parts for other uses.

Sealing time Recommended time

2 min/µm, up to

3 min/µm.

6.0 ± 0.3 has a buffering effect. To ensure optimal sealing conditions, the sealing tank solution should be regularly checked after a period of use. If not within the specified range, it can be adjusted with acetic acid and ammonia. Note: Contains surfactant components, so avoid aeration stirring during use.

It is recommended to use mechanical stirring or circulating water stirring. Contains surfactant components, so avoid aeration stirring during use.

is a very ideal choice. 4. Sealing quality

Experimental conditions pH Material:

Aluminum alloy. is a very ideal choice. Oxidation: Conventional DC sulfuric acid method.

190(± 5) g/l H2SO4,

5-10 g/l Al, 19°C, 1.5 A/dm.

Film thickness:

12-15 µm 3035 or

20-23 µm.

Dyeing: Electrolytic, stannous sulfate, black.

Sealing: 2

Anodal SH-2 2 ml/l, Temperature: 82 - 88°C, pH 6.0,