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This outstanding phosphate investment has these advantages:
• Contains carbon for bright, gold-colored castings
• Expansion can be controlled to fit your needs — yet technic is easy to follow
• Even extremely thin sections will be cast with sharp, clean margins just like lower-fusing golds
• Accurately fitting castings with smooth and clean surfaces — without grinding. Uniform results time after time.
A 75% concentration, 3 parts Special Liquid Concentrate and 1 part Water, is generally preferred. Thermal and also setting expansion will increase by greater Special Liquid Concentration; these expansions will decrease by dilution with more water. Consequently, expansion can be controlled to fit individual needs.
There is no additional thermal expansion between 700 degrees C and 1000 degrees C (1300 degrees F and 1800 degrees F). The curve in the chart shows different figures for the thermal expansion merely as a result from higher or lower concentration of Special Liquid Concentrate. The setting expansion for a bench-set mold is shown in the lowest curve below.
*Suggested concentration of Special Liquid Concentrate is 75% (3 parts liquid to 1 part water).
Item#:
750-00427
Manufacturer Item:
00427
Manufacturer:
Ransom & Randolph
Item typically ships in 7-10 business days.
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Hi-Heat Soldering Investment Powder is a gypsum-bound investment that is ideal for soldreing that requires the use of an oxygen-gas torch.
• For high-fusing precious and base metals
• Excellent with high fusing ceramic alloys for pre- and post-soldering technique
• Trims smoothly
• Withstands rapid drying out
• 1200 psi
Working Time: 2-3 minutes
Mixing Ratio: 24/100
Setting Expansion: 0.20%
Thermal Expansion: 0.60%
Contains: 1 (4.5lb) Jar per Package
• For high-fusing precious and base metals
• Excellent with high fusing ceramic alloys for pre- and post-soldering technique
• Trims smoothly
• Withstands rapid drying out
• 1200 psi
Working Time: 2-3 minutes
Mixing Ratio: 24/100
Setting Expansion: 0.20%
Thermal Expansion: 0.60%
Contains: 1 (4.5lb) Jar per Package
Item#:
750-01546
Manufacturer Item:
01546
Manufacturer:
Ransom & Randolph
Item typically ships in 7-10 business days.
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Cristobalite gives high thermal expansion, even at comparatively low temperatures. It is possible to use the same creamy mix by simple standard vacuum or painting techniques for all types of inlays.
• 700 psi
Working Time: 3 minutes
Mixing Ratio: 30/100
Setting Expansion: 0.50%
Thermal Expansion: 1.25%
Ready for Burnout: 30 minutes
Contains: 144 (50gm) Packets per Package
• 700 psi
Working Time: 3 minutes
Mixing Ratio: 30/100
Setting Expansion: 0.50%
Thermal Expansion: 1.25%
Ready for Burnout: 30 minutes
Contains: 144 (50gm) Packets per Package
Item#:
750-01228
Manufacturer Item:
01228
Manufacturer:
Ransom & Randolph
Item typically ships in 7-10 business days.
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• The proven standard for the Hygroscopic Technique
• Can also be used for the High Heat Technique
The Hygroscopic Technique with Beauty-Cast is as simple and quick as the High Heat Technique, but the results are much more uniform. The use of a water bath at 37.8ºC (100ºF) automatically brings all patterns to uniform temperature, softening the wax enough for even expansion of the investment. Combined, the wax expansion and the high hygroscopic expansion compensate for mos of the gold shrinkage and thus the low temperature burnout at 480ºC (900ºF) provides the balance of the required mold expansion.
With the hygroscopic expansion of Beauty-Cast at 1.5% and thermal expansion at 0.55% at 480ºC, we unhesitatingly recommend the Hygroscopic Technique with Beauty-Cast as best suiting today’s needs for a precise yet simple routine technique.
The inherent high thermal expansion of Beauty-Cast at 650ºC (1,200ºF) makes it possible to use the standard High Heat Technique. Setting expansion can be controlled by varying the number of ring liners in the Inlay Ring resulting in varying degrees of total expansion in Casting at 650ºC (1,200ºF) is necessary for the additional 1.2% for gold shrinkage. In the ADA Specification No. 2 for Investments, the term Type 1, Inlay Thermal refers to investments used by the High Heat Technique. With Beauty-Cast either technique will produce extremely smooth castings of a rich golden color that seldom require pickling.
Item#:
750-00078
Manufacturer Item:
00078
Manufacturer:
Ransom & Randolph
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Item#:
750-99203
Manufacturer Item:
99203
Manufacturer:
Ransom & Randolph
WARNING, this product contains chemicals that are known to the State of California and Maine to cause cancer, congenital disabilities, or other reproductive harm. For more information, please visit, www.p65warnings.ca.gov
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A fine, white general use plaster recommended for models, flasking and articulating. It may be used in any case where plaster or stone is indicated.
• Uniform quality every time
• Compressive strength and expansion properties to meet every need
• Accurate reproduction of detail
• A color palate spectrum to provide an array of options
Color: White
Set Time: Regular
Size: 25lb
Contains: 1 per Package
• Uniform quality every time
• Compressive strength and expansion properties to meet every need
• Accurate reproduction of detail
• A color palate spectrum to provide an array of options
Color: White
Set Time: Regular
Size: 25lb
Contains: 1 per Package
Item#:
750-99210
Manufacturer Item:
99210
Manufacturer:
Ransom & Randolph
Item typically ships in 7-10 business days.
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Item#:
750-99216
Manufacturer Item:
99216
Manufacturer:
Ransom & Randolph
Item typically ships in 7-10 business days.
WARNING, this product contains chemicals that are known to the State of California and Maine to cause cancer, congenital disabilities, or other reproductive harm. For more information, please visit, www.p65warnings.ca.gov
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A fine, white general use plaster recommended for models, flasking and articulating. It may be used in any case where plaster or stone is indicated.
• Uniform quality every time
• Compressive strength and expansion properties to meet every need
• Accurate reproduction of detail
• A color palate spectrum to provide an array of options
Color: White
Set Time: Fast
Size: 25lb
Contains: 1 per Package
• Uniform quality every time
• Compressive strength and expansion properties to meet every need
• Accurate reproduction of detail
• A color palate spectrum to provide an array of options
Color: White
Set Time: Fast
Size: 25lb
Contains: 1 per Package
Item#:
750-99213
Manufacturer Item:
99213
Manufacturer:
Ransom & Randolph
Item typically ships in 7-10 business days.
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Novocast is an advanced inlay investment that provides increased accuracy for casting conventional gold alloys at a mold temperature of 1200 degrees ferenhite without the use of a water bath.
• Sets rapidly to produce a strong, ultrasmooth mold with easy divesting
• Expansion control by varying water/powder ratio
• Technique that same for all types of castings
• 950 psi
Working Time: 3 minutes
Setting Time: 15 minutes
Mixing Ratio: 34/100
Ready for Burnout: 30 minutes
Setting Expansion: 0.45%
Thermal Expansion: 1.20%
Contains: 144 (50gm) Packets per Package
• Sets rapidly to produce a strong, ultrasmooth mold with easy divesting
• Expansion control by varying water/powder ratio
• Technique that same for all types of castings
• 950 psi
Working Time: 3 minutes
Setting Time: 15 minutes
Mixing Ratio: 34/100
Ready for Burnout: 30 minutes
Setting Expansion: 0.45%
Thermal Expansion: 1.20%
Contains: 144 (50gm) Packets per Package
Item#:
750-01082
Manufacturer Item:
01082
Manufacturer:
Ransom & Randolph
Item typically ships in 7-10 business days.
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Type III dental stone
An all purpose stone for fabricating models and flasking acrylic dentures
May be used in any case where plaster or stone is indicated
Available in Regular and Fast Set formulas
Item#:
750-M499204
Manufacturer Item:
M499204
Manufacturer:
Ransom & Randolph
Item typically ships in 7-10 business days.
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A special investment for non-precious and semi-precious alloys. Hi-Temp contains no carbon. Non-precious metal alloys require an investment specially compounded to:
• Compensate for alloy shrinkage
• Withstand high-fusing temperatures
• Provide a non-contaminating atmosphere
• Allow casting of a lighter-density metal
Hi-Temp is the investment with these characteristics and more. It gives a smooth surface to the casting, flows readily and evenly for fine detail and sharp margins, and has high strength to prevent damage to the mold. The technique is simple. Special Liquid Concentrate is used instead of water. Control of expansion is obtained by dilution of the Special Liquid Concentrate with water — the greater the dilution, the less the expansion of the investment. Four parts liquid to one part water is the proportion suggested to get some frictional retention for full crowns on well-tapered preparation. Otherwise, the technique is essentially the same as handling any casting investment.
*Suggested concentration of Special Liquid Concentrate is 75% (3 parts liquid to 1 part water).
*Recommended Liquid – Special Liquid Concentrate
Item#:
750-00663
Manufacturer Item:
00663
Manufacturer:
Ransom & Randolph
Item typically ships in 7-10 business days.
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