Rubber adhesives

How to glue rubber - how to choose the glue? The glue can be easily selected. Below are listed situations depending on what you will combine. Small surfaces - rubber with rubber, metals and other surfaces. Most often you will use ATK FIX 06, less often ATK 901 - these are all kinds of gaskets, including car gaskets and o-rings - repair and restoration from the meter, Medium and large - the strongest adhesive for such a connection is ATK 901, which literally vulcanizes, because with the help of solvents it overcoats the interior. micro layers. When we do not need such a strong bond, we use - ATK U 800m silicone rubbers - basically only this set, i.e. ATK fix+ primer, for larger surfaces we can use linear application, foamed rubbers, e.g. EPDM - nothing better than U-800m cracks - apply ATK FIX by inserting between surfaces and pressing or by gluing reinforcements from the outside - patches on ATK 901 - this is how we vulcanize transmission belts, conveyor belts, etc. Most common applications: conveyor belts - ATK 901 sieve regeneration - ATK PU9 seals in cars - ATK FIX seals silicone in ovens - ATK 663 bonding rubber flooring with concrete - ATK 901 (always prime concrete with e.g. P200 primer) filling and leveling rubber belts - ATK PU 9 If you want to combine the above cases with other materials, e.g. with drains, leather, plastic. How to fill the loss of gum? - 2 simple ways We fill such damage with ATK PU 5 or PU 9 polyurethane or stick a piece on cyanoacrylate ATK FIX or 901 Is there such a thing as a pouring rubber? Yes, for this we use ATK PU 5 or PU 9, the so-called liquid rubbers that differ in stiffness and fluidity. If you want a hard-elastic surface, you can use PU 021. Does the rubber adhesive have to be flexible? Yes and no. It seems that if it is not flexible like ATK 812, 901 or U-800 it will be a problem. However, you have to take into account how much glue there will be between the surfaces as this determines the result. As a rule, ATK fix is stiff, but with butt joint it is 0.01 mm and then it is flexible like a material. The same applies to the flexible+ rigid surface, we do not need a soft glue, and then the product ATK PU16 works very well. What about the effects of water and other chemicals after bonding? Nothing, all adhesives except U800 are resistant to immersion in water, gasoline or oil. Types of gums - how many types? Yes, most often when you pick up an element that is flexible, we think it is "ordinary" rubber. There are some basic types you'll encounter. EPDM, which is also resistant to acids and bases, is the most frequently used, especially for moto elements. The advantage is that there is no problem with gluing small and large surfaces. O-rings, gaskets, washers and spacers are made of it. It is not used for items in contact with food and water. You can find an interesting version of this product as a very soft and foamed surface with smaller or larger air bubbles. The next versions are: sbr, nbr and cr - these are the versions that you can meet if the elements are in contact with food, alcohol and salts. In most cases, there is also no problem with the connection, although sometimes you may need to use a primer for silicone rubbers. A separate category are the so-called polyurethane rubbers - although it is not strictly rubber, it has its flexibility and is also used in washers, spacers, etc. It has a very good fatigue strength and is easy to form, because it is enough to pour the form from a two-component mixture, not by special molding as in the version above . Silicone rubbers - more and more often used due to their high extensibility (of different hardness) and the ease of forming by pouring the mold. Here, basically only gluing with a special primer or adhesive silicones. How to recognize gum? Basically, the connection requires knowledge and information about whether the surface has silicone additives. We apply the glue that we have on the redundant piece, if it does not "stick" at all, we are dealing with silicone additives. Such surfaces are most often luminous and very smooth on the outside and cross-section. Substrate preparation? It is enough to degrease two surfaces well and roughen it if possible. The exception is atk fix, contact adhesive is not recommended here. Then we apply the glue according to its application instructions and glue it. Painting rubber - is it possible? Yes, but you must remember to use either a special flexible paint or you can apply ATK 822 primer before painting, which increases the adhesion of paints and glues to various substrates.