Bob Smith Epoxy


Bob Smith Epoxy,

 SOLD IN STORE ONLY,

 in  4 1/2 oz bottles

Available in  5 Min, 15 Min, and 30 Min

 



Very well known in the USA, Bob Smith Industries, founded in 1983 are one of the market leaders in adhesive technology and their quality control procedures ensure that only the very best materials are used in their products guaranteeing long shelf life and success in use, time after time.

 Each of the glues has been extensively developed and manufactured using the finest materials to deliver the best bond possible matching its individual properties to its proposed application.


Quik-Cure™ 5 min.


Quik-Cure 5 min cures to a slightly flexible consistency making it ideal for joints that may experience vibration or stress but it shouldn’t be used if the joint will experience extended periods immersed in water. It is however safe to use when constructing internal structures inside boats. Full strength is reached in one hour.


Mid-Cure™ 15 min.
 

Quick-cure 15 min is the choice when working with large areas or more complex joints. It is the most flexible of all of the epoxies and is more moisture resistant than Quick-Cure 5 min. It’s properties make it the optimum choice for boding components to fibreglass surfaces, components can be handled after 45 minutes and full strength is reached after two hours.


Slow-Cure 30min.


Slow-Cure 30min. forms the strongest bonds, is waterproof and more heat resistant than any of the other epoxies in the range. Of course when using it for bonding the only problem is the length of time needed to cure; for handling there is a wait of 8 hours and full strength isn’t attained until the 24 hour mark is reached. To best take advantage of it’s strength use it to fillet already formed joints. It can be mixed with microbaloons to form a putty-like consistency which is ideal for the task, although using this technique does slow down the curing time, by around 25%.


Using Epoxy adhesives


All of the BSI epoxies are mixed to a 50-50 ratio and any type of scrap material can be used as a mixing pallet although flexible plastic lids as found on some canned food products can be re-used buy ‘popping off’ excess cured adhesive.

To ensure the correct ratio of hardener and resin squeeze out equal lengths of each on the mixing surface before mixing well with a small piece of wood or stiff cardboard. If the epoxy is cold and quite viscous it can be problematic getting out of the bottle, removing the caps and
heating in a microwave oven for ten seconds will thin it and make it easier to use.

For the cleaning of tools and hands before curing use acetone or isopropyl alcohol. Epoxies should not be thinned by adding additional substances as they may affect curing and the overall strength of the joint, if a thinner epoxy is needed heating in a microwave oven is the best solution.

Epoxies bond best on clean textured surfaces, smooth non-porous surfaces should be roughened with a course abrasive to obtain maximum adhesion. The time classification of the epoxies denotes the amount of working time available before the epoxy begins to cure after being mixed in a large mass. With the exception of Quick-Cure™ working time is increased when the epoxy is spread thinly, it does however decrease by up to 25% when ambient temperatures exceed 32˚C (90 ˚F).