DescriptionSealing Compound Q
Sealing Compound Q is a putty-like substance. It is a relatively low cost, extremely versatile sealing medium used for a great many purposes in vacuum work where not too low a vapor pressure is required (vapor pressure at 20 degrees C is approximately 1 x 10-4 torr). Thus Compound Q is used to seal joints and fill holes and gaps on the rotary pump side of the system. It is suitable for sealing around the edges of flat unground joints as in testing operations where it is necessary to blank off a part of the apparatus temporarily. A further example of its use is in sealing glass cylinders to metal plates, as is often done to produce temporary vacuum enclosures. Sealing Compound Q is sufficiently firm at room temperature to remain in position, yet is sufficiently soft to allow ease of molding by hand and can be readily removed when required.
|Apiezon® Waxes Technical Data||Compound Q|
|Approximate softening point, degrees C||45|
|Temperature for application, degrees C||Ambient|
|Maximum temperature for use, degrees C||30|
PRECAUTIONS: Apiezon Products - Health and Safety
Apiezon products have been widely and safely used in vacuum distillation apparatus in both industry and laboratories for a number of years. As a result they should not present a health hazard assuming normal standards of industrial hygiene and safety are followed in their handling.
All Apiezon products are bases on petroleum products of a low order of acute toxicity. However, certain individual develop a rash after repeated contact. Therefore, it is recommended that gloves be worn to handle Apiezon. If Apiezon material is inadvertently in contact with the skin, wipe the area carefully, then cleanse thoroughly using a mild soap. Should any Apiezon products be heated for application, vent the fumes and avoid breathing the warm vapors.
In terms of explosion and fire, Apiezon products are considered non-hazardous.