Ask Dr. Dave
What alternatives do I have for bonding to surfaces like polyethylene and polypropylene?
Dave Dunn's September 2016 column.
Read More
Articles by Dave Dunn Ph.D.
Ask Dr. Dave
How should we prepare our surfaces for adhesive bonding?
Dave Dunn's August 2016 column.
Read More
Ask Dr. Dave
Which hardeners are recommended for very fast curing epoxy adhesives?
The most widely used hardeners for very fast curing adhesives are specialty mercaptans.
Read More
Ask Dr. Dave
Can you recommend a safe adhesive for bonding plastics?
With the correct choice of monomers, a UV-cured acrylic will give very strong bonds on these plastics and a crystal-clear bond line.
Read More
Ask Dr. Dave
I am trying to understand how the organosilanes act chemically.
Organosilanes have been used for many years to enhance the durability of adhesive bonds, particularly to glass surfaces.
Read More
Ask Dr. Dave
How do I disassemble nuts and bolts that were assembled using anaerobic threadlockers, then re-use the fasteners?
Threadlockers are generally comprised of three common types.
Read More
Ask Dr. Dave: How can I tell if my adhesive has fully cured?
Maximum properties for epoxies are only achieved by curing at high temperatures for long periods of time to complete the reactions.
Read More
Ask Dr. Dave
Ask Dr. Dave: Should we consider silicones or polyurethanes for our construction applications?
Polyureas tend to be a little more expensive than polyurethanes, but their fast cure and outstanding properties often outweigh this.
Read More
Ask Dr. Dave: What adhesives do you recommend for bonding fiberglass for indoor applications?
Reactive acrylics can be formulated with very fast cure times, or can be modified so that no cure occurs
Read More
Ask Dr. Dave: Can I dispose of water that has adhesive residue?
The answer is almost certainly no.
Read More