Eutectic salt compositions that are used for Austempering, Martempering, Marquenching, etc.

Iso-Therm 135
A eutectic nitrate-nitrite salt mixture that is used for the interrupted or isothermal quenching of austenitized steels (Austempering, Martempering, Marquenching etc.). Iso-Therm 135 can also be used for tempering or drawing hardened steels. Melt Point 135 °C (275 °F); Working Range 149-593 °C (300-1,100 °F).

Iso-Therm 142
A eutectic nitrate-nitrite salt mixture that is used for the interrupted or isothermal quenching of austenitized steels (Austempering, Martempering, Marquenching etc.). Iso-Therm 142 can also be used for tempering or drawing hardened steels. Melt Point 142 °C (290 °F); Working Range 163-593 °C (325-1,100 °F).

Iso-Therm 149
A eutectic nitrate-nitrite salt mixture that is used for the interrupted or isothermal quenching of austenitized steels (Austempering, Martempering, Marquenching etc.). Iso-Therm 149 can also be used for tempering or drawing hardened steels. Melt Point 149 °C (300 °F); Working Range 163-593 °C (325-1,100 °F).

Iso-Therm 165
A eutectic nitrate-nitrite salt mixture that is used for the interrupted or isothermal quenching of austenitized steels (Austempering, Martempering, Marquenching etc.). Iso-Therm 165 can also be used for tempering or drawing hardened steels. Melt Point 165 °C (330 °F); Working Range 190-593 °C (375-1,100 °F).

Iso-Therm 177
A eutectic nitrate-nitrite salt mixture that is used for the interrupted or isothermal quenching of austenitized steels (Austempering, Martempering, Marquenching etc.). Iso-Therm 177 can also be used for tempering or drawing hardened steels. Melt Point 177 °C (350 °F); Working Range 190-593 °C (375-1,100 °F).

Iso-Therm 191
A eutectic nitrate-nitrite salt mixture that is used for the interrupted or isothermal quenching of austenitized steels (Austempering, Martempering, Marquenching etc.). Iso-Therm 191 can also be used for tempering or drawing hardened steels. Melt Point 191 °C (375 °F); Working Range 204-593 °C (400-1,100 °F).

Iso-Therm 220
A eutectic sodium nitrate and potassium nitrate mixture that is used for the heat treatment of non-ferrous alloys such as aluminum, copper, and brass. Iso-Therm 220 can also be used for tempering of steels. It meets Military Specification MIL-S-10699B (Class 2). Melt Point 220 °C (430 °F); Working Range 249-593 °C (480-1,100 °F).

A family of completely water soluble nitrate-nitrite salts especially formulated for use in rubber curing.

Iso-Therm 135 Rubber Curing Salts
A nitrate-nitrite salt used in the continuous curing (vulcanization) of rubber extrusions. Melt Point 135 °C (275 °F); Working Range 149-593 °C (300- 1,100 °F).

Thermally stable salts for use in chemical processing, energy production, energy recovery, and production of specialty materials.

Iso-Therm 135 Heat Transfer Salts
Used for chemical processing, energy production, and energy recovery. Can also be used in the production of materials such as melamine, acrylonitrile, caustic soda, chlorine, methyl ethyl ketone, and alkyl amine. Melt Point 135 °C (275 °F); Working Range 149-593 °C (300-1,100 °F).

Iso-Therm 142 Heat Transfer Salts
Used for chemical processing, energy production, and energy recovery. Can also be used in the production of materials such as melamine, acrylonitrile, caustic soda, chlorine, methyl ethyl ketone, and alkyl amine. Melt Point 142 °C (290 °F); Working Range 163-593 °C (325-1,100 °F).

Iso-Therm 220 Heat Transfer Salts
Used for chemical processing, energy production, and energy recovery. Can also be used in the production of materials such as melamine, acrylonitrile, caustic soda, chlorine, methyl ethyl ketone, and alkyl amine. Melt Point 220 °C (430 °F); Working Range 249-593 °C (480-1,100 °F).

Offer outstanding characteristics such as superior fluidity, high stability, ease of cleaning and minimal sludge.

Iso-Braze 460
Aluminum brazing salt used in the fabrication of items such as heat exchangers, wave guides, and aircraft parts. Melt Point 460 °C (860 °F); Working Range 482-649 °C (900-1,200 °F).

Iso-Braze 520
Aluminum brazing salt used in the fabrication of items such as heat exchangers, wave guides, and aircraft parts. Melt Point 516 °C (960 °F); Working Range 538-649 °C (1,000-1,200 °F).

Iso-Blackening salt produces a black oxide finish on steel parts at low temperatures.

Iso-Blackening
Produces a black oxide finish on steel parts at low temperatures. This makes it suitable for tools, gauges and other finished parts. Working Range 132-146 °C (270-295 °F).

Iso-D-Blackening
Produces a black oxide finish on steel parts at temperatures of 427 to 538 ºC (800 to 1000ºF). Also suitable for isothermal quenching or tempering at 260-593 ºC (500 to 1100 ºF) and the removal of rubber from steel molds at 399 ºC (750 ºF). Melt Point 204 °C (400 °F); Working Range 260- 593 °C (500-1,100 °F).

High quality quench oils for faster cooling.

PT Quench Oil 100
Specially formulated quenching oil of premium quality, giving faster cooling rates than straight quenching oils. Normal operating temperature range of this quench oil is 140 to 190 °F.

Park Martemp Oil
A martempering oil with medium viscosity and a medium quenching speed throughout its range. It is formulated to give extended life during its use as a martempering and tempering oil. Normal operating temperature range of this quench oil is 140 to 190 °F. Magnetic Quenchometer Test Nickel Ball 14- 18 Sec.

For austenitizing, hardening, annealing, tempering, normalizing and pre-heating.

Iso-Heat 454
A chloride salt mixture that is used for many steel heat treating operations, solution heat treating of non-ferrous alloys, and quenching/tempering for high speed steels. Melt Point 454 °C (850 °F); Working Range 490-677 °C (925-1,600 °F).

Iso-Heat 454 MPR
A chloride salt mixture that is used by itself or as a melt point reducer for Iso-Heat 454 and Iso-Heat 493 salt. Melt Point 510 °C (950 °F); Working Range 524-677 °C (975-1,600 °F).

Iso-Heat 482
A chloride salt mixture that is used for quenching and/or tempering high speed steels and annealing non-ferrous alloys. Melt Point 482 °C (900 °F); Working Range 538-899 °C (1,000- 1,650 °F).

Iso-Heat 493
A chloride salt mixture that is used for many steel treating operations such as hardening, annealing, high temperature drawing, hot quenching of alloy tool steels, and tempering. Melt Point 493 °C (920 °F); Working Range 538-899 °C (1,000-1,650 °F).

Iso-Heat 549
A chloride salt mixture that is used for hardening, annealing, and normalizing carbon and alloy steels. It is also suited for preheating high speed steel tools. Melt Point 549 °C (1,020 °F); Working Range 593-927 °C (1,100-1,700 °F).

Iso-Heat 635
A chloride salt mixture that is used for hardening, annealing and normalizing carbon and alloy steels. It is also suited for pre-heating high speed steel tools. Melt Point 635 °C (1,175 °F); Working Range 704-1,038 °C (1,300-1,900 °F).

Iso-Heat 665
A chloride salt mixture that is the most economical and commonly used neutral salt for heat treating within its working range. Melt Point 665°C (1,250°F); Working Range 705-900°C (1,300- 1,650°F).

Iso-Heat 788
A chloride salt mixture that is used for pre-heating high speed tool steels, hardening high carbon-high chromium steels and for hardening or annealing stainless steels. Melt Point 788°C (1,450°F); Working Range 843-1,149°C (1,550-2,100°F).

Iso-Heat 871
A chloride salt mixture that is used for forging, normalizing, annealing, hardening or brazing alloy steels. It conforms to Military Specification MIL-S-10699B (Class 6). Melt Point 871°C (1,600°F); Working Range 927-1,260 °C (1,700-2,300 °F).

Iso-Heat 955
A chloride salt mixture that is used for high-speed tool hardening and forging heating steels. It conforms to Military Specification MIL-S-10699B (Class 7A). Melt Point 955 °C (1,750 °F); Working Range 1,038-1,316 °C (1,900-2,400 °F).