Vibration Resistant Pipe Thread Sealant

Description | Characteristics | Applications | Packaging | Instructions | Precautions | Specifications |
Limited Warranty


RectorSeal® Tru-Blu™ is a fast drying, adhesive thread sealant. It is especially suited for high vibration environments such as refrigeration or compressor applications. It contains PTFE for better thread sealing and for lubrication to facilitate easy break-out. It is also great for use as a positive lock and seal on threaded fasteners.

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  • Stays flexible - designed for areas of high vibration and thermal expansion/contraction
  • Brushable from 20 degree F to 140 degree F
  • Contains PTFE
  • Excellent as a gasket adhesive on flanges
  • For use with  Potable water (hot or cold)
  • Low odor, non-separating
  • Lead free and contains no metal
  • Lubricates and protects threads
  • Easy application - brush top applicator
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    RectorSeal® Tru-Blu™ is recommended for pipe made of galvanized steel, iron, brass, copper, aluminum, stainless steel, PVC, CPVC, polyethylene, and reinforced fiberglass.

    RectorSeal® Tru-Blu™ is recommended for pipe carrying:

    Acids, Dilute Freons (All) Natural Gas
    Air, Compressed Gasoline (leaded unleaded) Nitrogen, Gaseous
    Ammonia- Gaseous Heating Oils Petroleum Solvents
    Aliphatic Solvents Hydraulic Oils Refrigeration Oil
    Brine Inert Gases Steam
    Carbon Dioxide, gaseous Jet Fuel (JP3, 4, 5) Sugar, Liquid
    Caustics, Dilute Kerosene Vapor Propane Piping
    Cutting Oils Manufactured Gases Water (hot or cold)
    Diesel Fuel Oil Mineral Oils Water gas

    Not recommended for oxygen .

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    Code Size Qty. Per Case Lbs. per Case Cu. Ft Per Case
    31780 1 3/4 oz. tubes, display (50 g) 24 tubes 3 .13
    31631 1/4 pint brush top (118 ml) 24 cans 13 .18
    31551 1/2 pint brush top (473 ml) 24 cans 23 .45
    31431 Pint brush top (473 ml) 12 cans 22 .43
    31300 Quart brush top (946 ml) 12 cans 39 .78

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    Store and apply between 20 degree F and 140 degree F. Use on clean tapered threads. Stir before using. For pipe diameters up to 1 1/4", apply to male threads only. For larger sizes, apply to both male and female threads. Join and tighten pipe to ANSI Standards. Cure times will vary with application and service conditions.

    For additional technical information, call Toll Free 1-800-231-3345.

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    CALL CHEMTREC - DAY OR NIGHT 1-800-424-9300


    PRECAUTIONS: Vapors combustible. Harmful if swallowed or inhaled. May cause eye and skin irritation. Keep away from heat, sparks, and flames until vapors are gone. Use only with good cross-ventilation. Avoid breathing vapors and contact with skin, eyes and clothing. Wash after handling. FIRST AID: For any overexposure, get immediate medical attention after first aid is given. Eyes - Flush 15 minutes with clean water. Skin - Wash with soap and water. Inhalation - Remove to fresh air. Ingestion - DO NOT INDUCE VOMITING. Only if conscious, give large amounts of water. FIRE AND SPILLS: Use water fog, CO2, foam, or dry chemicals. Clean up spills immediately with inert absorbents. STORAGE AND HANDLING: Store in cool, well-ventilated area. Keep container upright and tightly closed. Do not reuse empty container. KEEP OUT OF REACH OF CHILDREN.

    For additional information, refer to Material Safety Data Sheet.

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    Wt/Gal @ 77 degree F 10.8 +- .5 lbs/gal.
    Flash Point SETA CC 144 degree F
    Color Blue
    Shelf Life 2 years minimum

    file no. 1282


    Suggestions and recommendations covering the use of our products are based on our past experience and laboratory findings. However, as we have no control as to the methods and conditions of application, we only assume responsibility for the uniformity of our products within manufacturing tolerances.

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    RectorSeal® makes the Limited Express Warranty that when the instructions for storage and handling of our products are followed we warrant our products to be free from defects. THIS LIMITED EXPRESS WARRANTY IS EXPRESSLY IN LIEU OF ANY OTHER EXPRESS OR IMPLIED WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, AND OF ANY OTHER OBLIGATION ON THE PART OF RECTORSEAL®. The sole remedy for breach of the Limited Express Warranty shall be the refund of the purchase price. All other liability is negated and disclaimed, and RectorSeal® shall not be liable for incidental or consequential damages.

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    2601 Spenwick Drive • Houston, TX 77055 USA
    713-263-8001 • Fax 713-263-7577
    Toll-free 800-231-3345 • Fax 800-441-0051