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What are blow lamps made of?

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Blow lamps are commonly made from one or more metals, with some of the parts that don’t get hot often being made of plastic. Metals used include brass, stainless steel, and aluminium.

Brass

Medium burner for a blow lamp Brass is an alloy of copper and zinc, and is used to make blow lamp burners, and the entirety of some heavy duty blow lamps. Brass is ideal due to its heat resistance: it can withstand very high temperatures.
ADVANTAGES  DISADVANTAGES
Advantages and disadvantages
  • Corrosion resistant
  • Heat resistant
  • Prone to a black tarnish
  • Expensive

Stainless Steel

Stainless steel Stainless steel is also used to make blow lamp burners and is the main material used for the gas canister. It is an iron alloy which contains a minimum of 10.5% chromium. It can also have added elements such as nickel, titanium and copper which enhances its properties, such as its strength.
Caramelising sugar on the top of figs with a blow lamp Stainless steel is used on blow lamps which have been specifically designed for use in a kitchen as it is more hygienic than other metals.

ADVANTAGES

 DISADVANTAGES
Advantages and disadvantages
  • Hygienic
  • Strong
  • Corrosion resistant
  • Heat resistant
  • Expensive

Aluminium

Aluminium - periodic table element AL Aluminium is a cheaper alternative metal to stainless steel used to create the metal fittings on a blow lamp. It is lightweight, but not as strong as some other metals.
ADVANTAGES  DISADVANTAGES
Advantages and disadvantages
  • Cheap
  • Rust resistant
  • Lightweight
  • Not as strong as stainless steel
  • Less heat resistant than the other metals, so it is more prone to damage from heat over time.

Plastic

glass fibre reinforced plastic on a standard blow lamp The main body of many blow lamps are made from glass-fibre-reinforced plastic. This type of plastic has glass fibres added to epoxy which creates a strong but lightweight material.

ADVANTAGES

DISADVANTAGES

Advantages and disadvantages
  • Lightweight
  • Waterproof (ideal for plumbing)
  • Soft grip
  • Fire resistant
  • Expensive