Jewellery

Jewellers and bead makers require energy to fire up their torches to join, alter, and melt metal and glass. Older,
more basic torches ran on kerosene but today, multi-metal jewellers expect their torches to match the versatility
of their needs. LPG is the clean energy solution that provides them with the heat to craft beautiful ornaments.
It produces very powerful, carbon-free flame and can be as sharp as needle. This type of flame is required for
jewellers and goldsmiths to make very fine gold or silver ornaments. 
One of the most important pieces of equipment a jeweller needs is the soldering torch. Nearly every ornamental
piece requires some amount of soldering – which is the process of joining two pieces of metal together using
heat.
In this application, several variants of the LP Gas spectrum are used for different purposes in jewellery making.  
Butane (only) torches do not get very hot and are useful when soldering very fine pieces of jewellery, such as
small chains or rings. Propane torches are hotter than butane torches. Oxy-propane variants are ideal for delicate
work on jewellery as they produce a tiny flame. MAPP gas is a combination of LPG and methylacetylene-
propadiene. It is a non-toxic, easily detectable, stable, high-energy fuel. They are used in soldering, annealing,
flame cutting, and flame-hardening. It heats faster and better than propane torches but doesn't have the flame
flexibility of an oxy/propane torch.
LPG is a clean-burning fuel that doesn't cause metal to oxidise as readily as acetylene. It is also cheaper to buy
and setup. Furthermore, the working also environment remains free from polluting gases and thus is conducive
for workmen.

Flame Burners and Blow Torches
Soldering, welding, flame cutting, and brazing are processes widely used in the building, manufacturing, road
construction, refrigeration, plumbing, power, leather industries and more. Especially for copper where LPG ,
propane, butane, is used widely, the two most common methods of joining copper tube and fittings have been
soldering and brazing using varying degree of heat. LPG’s heat capacity is an ideal fuel for soldering and brazing
within the air conditioning, plumbing, refrigeration and hydraulics industries.
In the jewellery making, LPG soldering torch is one of the most important pieces of equipment. Nearly every
ornamental piece requires joining metal together using heat. In this application, several variants of the LPG
spectrum are used for different purposes in jewellery making.  In addition to jewellery making, LPG torches are
frequently employed for soldering copper and water pipes. It can also be used for some low temperature welding
applications, as well as for brazing dissimilar metals together.
In the construction industry, LPG flame burners and blow torches are used to weld steel for constructing
residential and commercial buildings. It is also used to cast iron and weld steel during the construction of rail
tracks. Some also mix acetylene and LPG for welding steel and iron cast. LPG is also used in cutting of most
carbon steel because it cuts through across layers and jumps air gaps with ease, leaving no slag on the steel.  It
can tolerate a greater nozzle to workpiece distance which reduces the risk of molten metal splashing back onto
the nozzle and causing a "backfire".
LPG is a clean-burning fuel that doesn't cause metal to oxidise as readily as acetylene. It is also cheaper to buy
and setup. Furthermore, the working also environment remains free from polluting gases and thus is conducive
for workmen.

Features:

  1. Maximum flame temperature of propane in oxygen is about 2820 o C or 5110 o F
  2. Maximum flame temperature of propane in air is about 1995 °C or 3623 °F.

Benefits:

  • It is more economical to buy and setup.
  • It is a non-toxic, easily detectable, stable, high-energy fuel.
  • Environmentally friendly.
  • On a profile-cutting machine, oxy-propane gives fast, clean cuts on thick plate.
  • Easily combustible
  • Portable with clean burning characteristics and a high calorific value, very clean, superior
  • Flux-free braze joints of high integrity and strength