A word of caution.
Ambroid and (I think) Tenax contain methylene chloride (dichloromethane). This material is now classified by both the National Toxicology Program and the International Agency for Research on Cancer as a known animal carcinogen. Because of its physical properties, MC evaporates at a rate considerably greater than that of other similar liquid cements. That may be good as far as cure time, but it's bad in terms of inhalation hazard potential. The faster it evaporates, the higher the airborne concentrations and the faster it gets into your lungs.
Just my opinion, but I find that Testor's liquid cement (contains MEK), and Tamiya's extra thin liquid cement (contains acetone and butyl acetate) perform equally well as those that contain MC, but without the associated hazards. Tamiya regular cement adds cyclohexene and a styrene resin as additional ingredients.
Individuals with poorly or inadequately ventilated modeling areas should consider using those cements that are less hazardous.
For those who have respirators, MC is a fairly non-polar solvent that does NOT adsorb well onto the activated charcoal of an organic vapor cartridge, and may cause "break through", and prematurely end the effective service life of the cartridge. (Typically in industrial applications, the only acceptable respiratory protection for MC-based materials is an air-supplied respirator.)
OK, I'll get off my soapbox now......
Hope this helps someone.
Gip Winecoff