MEASEURING DIP TAPE 30METERS, SS REFILL, BRASS BOB, SS FRAME WITH HANDLE AND CALIBRATION CERTIFICATE
Technical Bulletin
31. Product- SurTec® 151 Alkaline Cleaner(for Iron and Nonferrous Metals)
Properties
- alkaline powder
- contains silicates
- usable in hard water
- no attack on aluminium and magnesium
- suitable for zinc die-cast, and for copper and brass
Application
SurTec 151 can be applied in soak- and ultrasonic cleaning as well as in steam injectors.
| soak | ultrasonic | steam injector(nozzle outlet) | |
| make-up value: | 2 – 5 % | 1 – 3 % | 0.5-1 % |
| temperature: | 60-80°C | 40-70°C | 70-90°C |
| application time: | 1-10 min |
Technical Specification
| (at 20°C) | Appearance | Bulk density (kg/l) | pH-value (at 10 g/l) |
| SurTec 151 | powder, white | approx. 0.920 | approx. 12 |
Maintenance and Analysis
Analyse and adjust the concentration of SurTec 151 regularly.
Sample Preparation
Take a sample at a homogeneously mixed position. Let it cool down to room temperature. If the sample is turbid, let the turbidity settle down and decant or filter the solution.
SurTec 151 – Analysis by Titration
| reagents: |
0.1 N hydrochloric or sulfuric acid indicator: methyl orange solution (0.04 %) |
| procedure: |
1. Pipette 5 ml bath sample into a 250 ml Erlenmeyer flask. 2. Dilute to approx. 100 ml with deionised water. 3. Add 3 drops of indicator. 4. Titrate with 0.1 N acid from yellow to red |
| calculation: | consumption in ml · 0.25 = % SurTec 151 |
Ingredients
- anionic surfactants
- nonionic surfactants
- phosphates
- silicates
- carbonates
Stock Keeping
In order to prevent delays in the production process, per 1,000 l bath the following amount should be kept in stock:SurTec 151 50 kg
Product Safety and Ecology
The safety instructions and the instructions for environmental protection have to be followed in order to avoid hazards for people and environment. The Material Safety Data Sheets (according to European legislation) contain explicit details for this.
The following hazard designations and classifications into water hazard classes (WHC) have to be taken into account:
| product | hazard designation | water hazard class |
| SurTec 151 | C – Corrosive | WHC 2 |
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32. Product- SurTec® 154 Alkaline Cleaner
Properties
- silicate-containing, alkaline powder
- usable in hard water
- suited for steel, copper and copper alloys, of limited suitability for zinc die cast
- particularly suitable for polished brass prior to electroplating
- highly economic cleaner due to a low make-up concentration and a long service life
- very good emulsifying properties
Application
SurTec 154 can be applied in soak and ultrasonic cleaning.
| soak | ultrasonic | |
| make-up values: | 2 – 5 % | 1 – 3 % |
| temperature: | 60-80°C | 50-70°C |
| application time: | 1 – 5 min | 1 – 5 min |
Technical Specification
| (at 20°C) | Appearance | Bulk density (kg/l) | pH-value (at 10 g/l) |
| SurTec 154 | powder, white | approx. 0.940 | > 12 |
Maintenance and Analysis
Analyse and adjust the concentration of SurTec 154 regularly.
Sample Preparation
Take a sample at a homogeneously mixed position. Let it cool down to room temperature. If the sample is turbid, let the turbidity settle down and decant or filter the solution.
SurTec 154 – Analysis by Titration
| reagents: |
1 N hydrochloric or sulfuric acid indicator: phenolphthalein |
| procedure: |
1. Pipette 50 ml bath sample into a 250 ml Erlenmeyer flask. 2. Dilute to approx. 100 ml with deionised water. 3. Add 3 drops of indicator. 4. Titrate with 1 N acid from red to colourless. |
| calculation: | consumption in ml · 0.248 = % SurTec 154 |
Ingredients
- anionic and nonionic surfactants
- hydroxides
- phosphates
- silicates
- carbonates
Stock Keeping
In order to prevent delays in the production process, per 1,000 l bath the following amount should be kept in stock: SurTec 154 50 kg
Product Safety and Ecology
The safety instructions and the instructions for environmental protection have to be followed in order to avoid hazards for people and environment. The Material Safety Data Sheets (according to European legislation) contain explicit details for this.
The following hazard designations and classifications into water hazard classes (WHC) have to be taken into account:
| product | hazard designation | water hazard class |
| SurTec 154 | C – Corrosive | WHC 1 |
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33. Product- SurTec® 168 Alkaline Builder
Properties
- liquid
- suited for spray-, soak- and electrolytic application
- recyclable in combination with SurTec 086 or SurTec 089 (with cross-flow-filtration or oil separator)
- suitable for iron and steel
- surfactant-free
Application
SurTec 168 is used for fine cleaning in continuous strip cleaning lines in spray-, brush- or soak processes (without or under current).
| make-up values: | spraying/brushing | hot degreasing | electrolytic degreasing |
| SurTec 168 | 2.0 %vol (0.5-3 %vol) | 2.0 %vol (1.5-5 %vol) |
2.0 %vol + 2-5 % NaOH |
| SurTec 086 | 0.1-0.5 %vol | – | – |
| SurTec 089 | – | 0.1-0.5 %vol | – |
temperature: 60°C (40-80°C)
application time: 1 min (5 s – 5 min)
spray pressure: 1-15 bar
tank material: steel
Maintenance and Analysis
Analyse and adjust the concentration of SurTec 168 regularly.
Sample Preparation
Take a sample at a homogeneously mixed position. Let it cool down to room temperature. If the sample is turbid, let the turbidity settle down and decant or filter the solution.
SurTec 168 – Analysis by Titration
| reagents: |
0.1 N hydrochloric acid indicator: methyl orange solution (0.04 %) |
| procedure: |
1. Pipette 10 ml bath sample into a 250 ml Erlenmeyer flask. 2. Dilute to approx. 100 ml with deionised water. 3. Add 3 drops of indicator. 4. Titrate with 0.1 N acid from yellow to red |
| calculation: | consumption in ml · 0.24 = %vol SurTec 168 |
Technical Specification
| (at 20°C) | Appearance | Density (g/ml) | pH-value (at 10 g/l) |
| SurTec 168 | liquid, colourless-orange | 1.210 (1.18-1.23) | 12.5 (11.8-13.1) |
Ingredients
- potassium hydroxide
- phosphates
Stock Keeping
In order to prevent delays in the production process, per 1,000 l bath the following amount should be kept in stock: SurTec 168 25 kg
Product Safety and Ecology
The safety instructions and the instructions for environmental protection have to be followed in order to avoid hazards for people and environment. The Material Safety Data Sheets (according to European legislation) contain explicit details for this.
The following hazard designations and classifications into water hazard classes (WHC) have to be taken into account:
| product | hazard designation | water hazard class |
| SurTec 168 | C – Corrosive | WHC 1 |
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34. Product-SurTec® 177 Electrolytical Cleaner
Properties
- highly alkaline powder
- non foaming
- cyanide-free
- with high conductivity
- can be used for cathodic or for anodic cleaning
- suitable for iron, copper and its alloys
Application
| make-up value: | 6-8 % |
| temperature: | 20-40°C |
| application time: | 1-10 min |
| hint: | for some applications a pre-cleaning is necessary (e. g. in SurTec 151) |
Technical Specification
| (at 20°C) | Appearance | Bulk density (kg/l) | pH-value (at 10 g/l) |
| SurTec 177 | powder, white | approx. 0.960 | approx. 13 |
Maintenance and Analysis
Analyse and adjust the concentration of SurTec 177 regularly.
Sample Preparation
Take a sample at a homogeneously mixed position. Let it cool down to room temperature. If the sample is turbid, let the turbidity settle down and decant or filter the solution.
SurTec 177 – Analysis by Titration
| reagents: |
1 N hydrochloric acid indicator: methyl orange solution (0.04 %) |
| procedure: |
1. Pipette 10 ml bath sample into a 250 ml Erlenmeyer flask. 2. Dilute to approx. 100 ml with deionised water. 3. Add 3 drops of indicator. 4. Titrate with 1 N acid from yellow-orange to red |
| calculation: | consumption in ml · 0.52 = % SurTec 177 |
Ingredients
- silicates
- sodium hydroxide
- carbonates
Stock Keeping
In order to prevent delays in the production process, per 1,000 l bath the following amount should be kept in stock: SurTec 177 50 kg
Product Safety and Ecology
The safety instructions and the instructions for environmental protection have to be followed in order to avoid hazards for people and environment. The Material Safety Data Sheets (according to European legislation) contain explicit details for this.
The following hazard designations and classifications into water hazard classes (WHC) have to be taken into account:
| product | hazard designation | water hazard class |
| SurTec 177 | C – Corrosive | WHC 1 |
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Product Label
