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.
1 Tacky glue is usually peel-able when dry, but you can also try scrubbing it with hot water to head off the problem before it sets. 2  Superglue is not going to come off without serious chipping. 3  There's a good chance that you will scratch your window if you try to remove this super-adhesive substance. Elmer's stick glue might come off with hot water, but it is more resistant than some other types. 2  Tacky glue is usually peel-able when dry, but you can also try scrubbing it with hot water to head off the problem before it sets. 3  Superglue is not going to come off without serious chipping.