Read below interesting topics on gem treatments:
Heat treatment technology
Heat treating ruby-sapphire
Beryllium detection with LIBS
Lead-filled rubies
Cranking up the heat
Treatment disclosure


OTHER GEMLAB PRODUCTS
Gemological microscopes
Gemstone sets for education

 

FOOD-FOR-THOUGHT

Our high temperature furnaces are designed to execute heating parameters provided by the operator for heat treating gems in various configuration modes. We do not sell the “know-how” technology for heating customer’s gemstones; the “know-how” technology must be developed by the end-user customer. We only sell our furnaces and related gem treatment equipment as per specifications, capabilities and limitations.
It is like selling a rice cooker: the user should know what type of rice to select, slow or fast heating-cooling, cooking temperature and time, water, and other ingredients to cook the rice as desired. It is a certain recipe, not applied to every kind of rice.
If you are novice in this subject, I suggest to read and understand my book "The Heat Treatment of Ruby & Sapphire" before thinking to buy any of the equipment offered for sale. Likewise, for the potential, but seriously dedicated end-user, I suggest to take my course #510 offered periodically in Bangkok before buying any gem treatment equipment.

DESIGNING & MAKING THE BEST GEM FURNACES IN THE INDUSTRY -from concept to reality
Based on our 37 years experience involved in the gem treatments we have concluded that the best design for heating ruby-sapphire and other gemstones is to use the vertical muffle configuration system for two important reasons:
a) to facilitate desired atmosphere conditions (or vacuum) and
b) to allow rapid/slow removal of the stones from the furnace.
These principles are implemented in our lab where the actual fabrication of these muffle furnaces takes place.Take a look in our lab.

1.Concept & simulation

2.Prototype & testing

3.Production

 

model M50P-1700
Model M50N-1700: GemLab Mini Muffle High Temp. Furnace

Model M50P-1700, known as "mini-muffle" furnace, is a "light-weight", 50 mm muffle bottom loaded furnace, designed for desk top use. The furnace is suitable for heating 1,100 carats of rubies-sapphires to 1700oC actual temperature in different setup modes with/without chemical additives in full atmosphere conditions or in vacuum, with fully controllable slow or rapid cooling. This furnace is very reliable and accurate, built with the best engineering features availble to last for long time.. more... 

ALL INVENTORY STOCK SOLD OUT - NEXT DELIVERY DECEMBER 2014


model M80P-1700

Model M80P-1700: Gemlab Maxxi Muffle High Temp.Furnace

The new model M80P-1700, known as "maxxi-muffle" furnace, is a medium size lab furnace providing great flexibility and performance. The furnace is suitable for heating 3,320 carats of rubies-sapphires to 1700oC actual temperature in different setup modes with/without chemical additives with/without atmosphere conditions or in vacuum, with fully controllable slow or rapid cooling. Model M80P-1700 is very reliable and accurate, built with the best engineering features not available anywhere else. more... 

ALL INVENTORY SOLD OUT; NEXT DELIVERY: December 2014

model HPLT-200

NEW MODEL HPLT-200 * NEW MODEL (VACUUM-PRESSURE)
High Pressure-Low Temp. plus vacuum"OILING" APPARATUS

New and improved model HPLT-200 is a desk-top, light weight apparatus produces controllable pressure to 8,700 psi (about 600 bar) at fully controllable temperature 80oC. Including two-stage vacuum pump with the related fittings. User-select temperature corresponds to analogous pressure. The apparatus is used to induce any type of oil, resin and oleoresin into the surface-reaching cracks of emeralds and other beryls, rubies-sapphires and other gems. Possibilities: pressure only, pressure-vacuum combination, vacuum only. more...

3 UNITS IN STOCK FOR IMMEDIATE DELIVERY
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