For the usual activated products, this content is of the order of 0.6 to 0.3 mol water per mol alumina and their specific surface, measured' by nitrogen adsorption at-l95' according to the BET. method, attains 200 to 250 sq. meters per gram, which corresponds to an excellent activity.
Octyl cyanoacrylate was developed to address toxicity concerns and to reduce skin irritation and allergic response. Cyanoacrylate adhesives are sometimes known generically as instant glues, power glues or superglues (although Super Glue is a trade name). The abbreviation CA is commonly used for industrial grades.
Choosing Your Glue. Among the glue options you'll probably consider include cyanoacrylate -- super glue -- polyvinyl acetate -- white carpenter's glue -- and two-part epoxy. While super glue is easy to use and makes a strong bond, it soaks into the pores of ceramic; plus, it can't withstand much stress.