About anaerobic experts recommend
Time：2012-11-13 14:25:40 Hits：4759
Question: "anaerobic adhesives, exactly what it means?
Anaerobic refers to the products of the binder can be cured in the case of missing air. Such adhesive suitable for metal-to-metal assembly, Although sometimes such adhesives can also be used for other materials, the presence of metal ions accelerate the curing of the anaerobic adhesive. If the assembly parts in the use of such an adhesive, there is excess liquid overflow, these liquids due to exposure to the air, but also does not cure. Simply use a common solvent (such as acetone, alcohol or isopropanol) to remove the excess liquid can be.
Question: what materials I can use anaerobic?
Generally, anaerobic adhesive can be used effectively to the metal surface. Some material compared with other materials, more active, curing speed can be fast or slow depending on the type of material.
Question three: anaerobic curing speed?
In general, all solid take up to 24 hours, parts early solid time be long or short, depending on the adhesive formulation fixture time up to 10 minutes. There are several different formulations anaerobic concrete curing time to see the product manual.
Question four: the the anaerobic material of pH value is how much?
Only a water soluble material having a pH value, anaerobic insoluble in water, therefore, no pH value.
Question: It is recommended to use anaerobic plastic it?
Anaerobic generally not used for plastics. Anaerobic cause stress cracks on certain plastics, these plastics include many thermoplastic plastics, such as ABS plastic, and polycarbonate. If such an adhesive is used for the assembly of the metal to metal, and the assembly very close to the plastic parts, and then the adhesive liquid overflow or emit water vapor may affect the plastic parts. If it is compatible with plastic, anaerobic adhesive is not a valid locking and sealing of such plastic products. In this case, often the use of cyanoacrylate adhesives, the premise such binder reached other application parameters.
Question six: whether by means of heating can accelerate anaerobic curing?
Can. Thermal curing means can be used to obtain the effect to shorten the curing time of the anaerobic adhesive. Usually can be heated to 250 ° F (121 ° C) for about one hour the cured product, or about three hours, heated to 150 ° F (65 ° C) for curing. But the tradeoff is that the final adhesive strength may be reduced. Has been accelerated in the crosslinking of the polymeric body, the ultimate strength may therefore reduced. Please test the suitability of the application of thermal curing means.
Question Seven: need to use the primer with the use of anaerobic?
Recommended primer to fit the majority of anaerobic adhesive used in the assembly of two non-reactive metal parts, these non-active metal excluding iron or copper, so the lack of activity of metal ions, and the active metal ions are solid 24 hours Product Required essential factor. If both or at least one of the active metal, such as pure steel, brass, bronze, copper, iron, then do not use a primer to ensure all solid necessary.
Question eight: anaerobic in before curing liquid state suitable for contact with rubber parts?
Anaerobic with various elastomers adaptability, there is still no long-term studies. The general consensus is that the liquid anaerobic adhesive under long-term exposure to an adverse effect on some elastomers, such as the expansion and cracking, as well as weight change. Customers should carefully test the adaptability of the product. Viton O-ring Viton seals used in some anaerobic adhesive glue equipment, because such material can be in a reasonable period of time to adapt to anaerobic. Once the anaerobic adhesive has cured, anaerobic curing layer between the rubber parts and inert, does not exist any adaptability.
Nine: anaerobic adhesive can be used for oil impregnated parts?
The anaerobic adhesive can be used for oil impregnated parts, just before using the product parts wipe clean. Please select a anaerobic adhesive, with good cutting oil function to ensure curing, bonding, sealing validity.
