USE: 60 – 90 gms per litre in water.

APPLICATION: For the removal of stubborn oils and oily soils, Blackfast 626 when dissolved to make a 60 – 90 gms per litre solution at 80 - 90 C will render the metal surface clean and ready for blacking. Prepare the tank by filling to two thirds with cold water and add the required amount of Blackfast 626 whilst stirring. The solution temperature will rise because dissolving Blackfast 626 is an exothermic reaction. Heat to the recommended temperature and allow work pieces a residence time of 2 - 5 minutes followed by immersion in a flowing rinse, ensuring all Blackfast 626 is rinsed from blind holes or threads.

When adding further quantities of Blackfast 626 to maintain the strength of the solution, ensure that the solution temperature is below 50 C and that the addition is made slowly whilst stirring. Because the addition of Blackfast 626 generates heat, an eruption can occur if it is added too quickly or to an already hot (80 - 90 C) solution.

TANK MATERIAL: Tanks should be of mild steel.

Blackfast 626 heavy duty degreaser is part of the Blackfast range of products for the chemical blacking of iron and steel at room temperature.

Blackfast Chemicals continues to improve the quality and performance of its range of products and reserves the right to modify product formulations without prior notice.

SAFETY DATA:

1. IDENTIFICATION OF THE SUBSTANCE/PREPARATION AND OF THE COMPANY

PRODUCT NAME: BLACKFAST 626 ALKALINE DEGREASER
APPLICATION: Degreasing of iron and steel
COMPANY: Blackfast Chemicals
ADDRESS: 78 Coombe Road, New Malden, Surrey KT3 4QS, England
TEL/FAX NO’S: Tel: 0181-336 2900 Fax: 0181-336 0909

2. COMPOSITION/INFORMATION ON INGREDIENTS

COMPOSITION: Alkaline detergent powders containing Sodium Hydroxide.
HAZARDOUS INGREDIENTS: Sodium Hydroxide (>25% w/w)
SYMBOL: C
RISK PHRASES: R 35
EEC NO: 215-185-5

3. HAZARDS IDENTIFICATION

Corrosive

4. FIRST AID MEASURES

INHALATION: Remove from the contaminated atmosphere. The likely symptom will be irritation of the mucous membrane but in case of doubt or severe exposure seek medical attention. INGESTION: Rinse mouth and give plenty of water to drink. DO NOT induce vomiting. Seek immediate medical attention.
SKIN: Remove contaminated clothing taking care not to transfer the material to unaffected areas. Wash affected area with copious amounts of water. Seek medical attention if burn persists.
EYES: Immediately wash the eyes for at least 15 minutes with water, followed by boric acid solution holding the eyelid open. Seek immediate medical attention.
In all cases where medical attention is sought, show the Doctor this data sheet.

5. FIRE FIGHTING MEASURES

This material will not burn. Do not allow run off water to enter water courses or sewers. Notify the appropriate authorities if pollution has occurred.
Decomposition products are not hazardous.

6. ACCIDENTAL RELEASE MEASURES

PERSONAL PRECAUTIONS: When dealing with a spill note the recommendations in Section 7.
ENVIRONMENTAL: Do not allow the material to directly enter sewers without neutralising. Do not allow to enter surface water courses.
SPILLAGE: Neutralise small amounts with dilute Hydrochloric Acid and flush into sewer. Shovel up larger amounts into steel or plastic containers and dispose as Special waste in consultation with the local Waste Disposal Authority. Wash the contaminated area with dilute Hydrochloric Acid and flush into sewer.

7. HANDLING AND STORAGE

Avoid contact with skin and eyes. Store in the dry in closed containers remote from foodstuffs. Store in accordance with HSE Guidance Note CS17. Where appropriate refer to the Manual Handling Operations Regulations 1992. Do not allow to come into contact with Aluminum, Zinc, Magnesium or their alloys. Use the material in a manner least likely to create dust. When making additions to working solutions, allow the solution to cool first. Otherwise, due to localised boiling there is a high risk of splashback.

8. EXPOSURE CONTROLS/PERSONAL PROTECTION

Occupational Exposure Limits: Sodium Hydroxide 15 min. ref. period 2 mgm-3 (EH40/94)
Use local exhaust ventilation to control dust or steam from process tanks. Dust masks should be used for occasional exposure but must be changed frequently to avoid concentration of caustic particles on the face. Foresee possibility of the necessity to rinse the eyes or skin in an emergency. Provide eye wash and hose or shower facilities. Protect hands with PVC gloves, protect eyes with goggles or face mask. Wear clean overalls and alkali resistant boots. NOTE: Personal Protective Equipment at Work Regulations 1992 apply.

9. PHYSICAL AND CHEMICAL PROPERTIES

APPEARANCE: Off white deliquescent powder
PH (1% solution): 14
FLASH POINT: N/A
FLAMMABILITY: Not flammable
SOLUBILITY IN WATER: Yes

10. STABILITY AND REACTIVITY

Absorbs moisture and Carbon Dioxide from the atmosphere. Exothermic reaction with water. Considerable heat is generated. Reacts with Aluminum, Magnesium with Hydrogen evolution. Hydrogen can form explosive mixtures in air.

11. TOXICOLOGICAL INFORMATION

Exposure by inhalation, ingestion, skin and eye contact must be avoided. Toxicity: LD50 (Oral rat) 1300 mg/kg

12. ECOLOGICAL INFORMATION

This product contains surfactants considered by our suppliers to be >80% biodegradable when tested by the OECD screening test which satisfies EEC directives 82/242 and/or 82/243. This product contains no substance classified as Dangerous for the Environment in the Chemicals (Hazard Information and Packaging) Regulations 1993.

13. DISPOSAL CONSIDERATION

Solutions of this material may be disposed of by means of an effluent treatment plant capable of neutralising and reducing the waste to within the consent limit imposed by the local water authority. Note dissolved oils and metals will form part of that limit. In the case of the powdered material or solutions outside the limits for disposal by the sewer, the waste is classed as Special Waste by the Control of Pollution (Special Waste) Regulations 1980 and must be disposed of by a licensed waste disposal contractor. All residues must be removed from packaging prior to disposal as controlled waste.

14. TRANSPORT INFORMATION

CAS NUMBER: 1310 - 73 - 2
UN NUMBER: 1759 Corrosive Solids N.O.S.
ADR CLASS: 8 Corrosive substance
UN PACKING GROUP: II

15. REGULATORY INFORMATION

HAZARDOUS INGREDIENTS: Sodium Hydroxide
SYMBOL: C
RISK PHRASES: Causes severe burns
SAFETY PHRASES: Keep out of reach of children. In case of contact with eyes, rinse immediately with plenty of water and seek medical attention. Take off immediately all contaminated clothing. After contact with skin, wash immediately with plenty of water. Wear suitable gloves and eye/face protection.
STATUTORY INSTRUMENTS:
Health and Safety at Work Act 1974. Chemicals (Hazard Information and Packaging) Regs 1993 (Si 1746). Control of Substances Hazardous to Health Regs 1988 (Si 1657). Environmental Protection Act 1990.
CODES OF PRACTICE:
Classification and labeling substances dangerous for supply (COP 22). Waste management: The duty of care.
GUIDANCE NOTES:
Occupational exposure limits (EH 40). Classification, Packaging and Labeling of Dangerous Substances Regs. 1984 HS(R)22.

16. OTHER INFORMATION

Read the Application Data Sheet before using this or any Blackfast product. The product is intended for the stated use only. Do not use the product for any other application without obtaining advice from us beforehand.
If this product is for resale, ensure that the purchaser receives a copy of this information.
If this product is for end use, ensure that your employees and others who may be affected are aware of the contents of this sheet.