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GENERAL AND SAFETY INFORMATION

1. EOUIPMENT
- Only use KLK manufactured equipment and materials.
- Do not attempt to weld other material than those indicated in the   tag label.
- Do not use broken or worn equipment to avoid molten metal leaks.
- Do not use altered moulds without factory authorization.

2. RECOMMENDED WELDING POCEDURES
- Make sure that mould is moisture and contaminants free to avoid a   backfire of hot molten metal.
- To avoid moulds moisture pre-heat them before use up to a   temperature at about 120°C (250°F).
- Read and understand the Welding Instruction Sheet provided.
- Always wear suitable safety equipment such as work gloves, safety   glasses, boots and leggings.
- As molten metal. Sparks, slag and hot work surfaces are produced   during aluminothermic welding. Take precautionary measures to   avoid burns and avoid also their contact with water and oil.

3. ALUMINOTIIERMIC WELDING
- The two part exothermic welding materials consist of starter and   welding portions. When ignited this exothermic reaction burn sate   temperature of 2200°C (4000°F).
- The starter ignites at a temperature in excess of 300°C (570°F)   and the welding portion at a temperature of 500°C (930°F).

4. MOULD TEMPERATURES
- Never attempt to use the mould if it gets above 300°C (575°F) to   avoid self ignition and anomalous reactions of the welding portion.
- It is recommended to allow 5 minutes among welds.
- When using “MINI MOULDS“or “STANDARD MOULDS REQUIRING   MORE THAN ONE CARTRIDGE PER WELD" and the time among welds   is less than 10 min... It is highly recommended to use more than   one mould alternatively to assure that moulds working temperature   is maintained below 300°C (570°F), to prevent starting powder   self-ignition.

5. ALUMINOTHERMIC REACTION FOR MAKING CONNECTIONS     WARNINGS
- Welding workers must read and understand the Welding   Instruction Sheet provided in each box before welding.
- Avoid direct eye contact with the light flash from the reaction.
- Avoid breathing concentrations of smoke and fumes from the   aluminothermic reaction.
- Avoid contact with hot materials
- Make sure there is adequate air flow to prevent inhalation of smoke   and fumes in indoor works.
- Be aware of surrounding personnel and conditions to prevent burns   or fire.
- Using C02, or large amounts of water in form of a direct stream are   effective ways of controlling conventional fires.
- Only dry sand must be use for controlling aluminothermic fires.

 
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