TMC 3000 nPB (n-Propyl Bromide) – TMC Industries, Inc.

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TMC 3000 nPB (n-Propyl Bromide)

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TMC-3000 is the perfect replacement for TCE, Perchloroethylene, 1,1,1-Trichloroethane, and other hazardous vapor degreasing and general use solvents for non-critical applications such as general metal cleaning, metal finishing and touch up cleaning. It is an excellent choice for removal of a wide range of organic soils by vapor degreaser, ultrasonic cavitation, dip tank, flushing or hand wiping. TMC-3000 is a patented azeotropic mixture that can be distilled and reused through numerous cycles before it needs to be replaced. Although TMC Industries offers stabilizer booster in 5-gallon pails, the synergistic action of the patented stabilizer package typically precludes the need to ever add stabilizers to maintain the integrity of the solvent in normal use.

The principal component of TMC-3000, n-Propyl Bromide, is classified as 100% Volatile Organic Compound (VOC). The U.S. EPA has approved n-Propyl Bromide under the Significant New Alternatives Policy (SNAP) as a suitable replacement for ozone-depleting chemicals. N-Propyl Bromide has been shown to neither deplete the ozone layer nor contribute significantly to global warming.


TMC-3000 is compatible with all metals and many plastics and other materials typically cleaned in vapor-degreasers, ultrasonic tanks or manually.


Typical Physical Properties

Boiling Point (°C / °F)

70° / 158°

Specific Gravity @ 75°F (H2O=1)

1.31 +/- 0.01

Flash Point TCC (°C)


Base material meets ASTM-D 6368


Flammability Limits (vol. %) based on n-Propyl Bromide

3.8 - 9.5 %

Vapor Pressure @ 25°C (mm Hg)


Vapor Density (Air = 1)


Evaporation Rate (Butyl Acetate = 1)


Specific Heat @ 25°C (cal/g)


Dielectric Strength (AC Volts)



Clear & free of suspended matter


TMC-3000 Assay (weight % min.)


Color APHA (max.)


Water (weight % max.)

<0.050 (500 ppm)

Acid Acceptance, as NaOH (weight % min.)


Non-Volatile Residue (weight % max.)

<0.0050 (50 ppm)

Acidity, as HBr (weight % max.)

<0.0010  (10 ppm)

Isopropyl Bromide (weight % max.)

<0.0100 (100 ppm)


The following are suggested settings for temperature and safety sensors on a typical vapor degreaser. Certain features are optional and may not be present on a particular piece of equipment. Refer to the vapor degreaser manual from the equipment manufacturer for more technical information.

Refrigeration Thermostat (RT)


Secondary Refrigeration Thermostat


Safety Vapor Control (SVC)


High-Temperature Control (HTC)


Liquid Temperature Control/Sensor (LTC/LTS)


Vapor Up Thermostat (VU/TH)



Shipping Policy

We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.

Shipping Time -- Most orders received before 3:00PM Central Time will ship the same day, provided the product ordered is in stock. Most orders received after 3:00 PM will ship the next business day. Orders are not processed or shipped on Saturday, Sunday or major US holidays.

We cannot guarantee when an order will arrive. Consider any shipping or transit time offered to you by the carrier as an estimate. We encourage you to order in a timely fashion to avoid delays caused by shipping or product availability.

Returns Policy

You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, simply login to your account, view the order using the 'Complete Orders' link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.

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