Construction markets of almost all regions are literally awash with silicone sealant. Manufacturers and suppliers do not find it. Competing in the price of silicon sealants are no longer on the cu and cents, and not even the ruble, but on a dime. Average price kartushirovannogo (packed in a plastic cartridge with a spout) sealant is 55-60 rubles for a volume filling 260 – 310 ml. The price of wholesale importers, privozyaschih sealant in Russia is 36-40 rubles. – But why all this? – You ask. The answer: The fact that in recent years have increasingly heard the question: – Why sanitary silicone sealant in the bathroom (toilet, bath, etc.) suddenly darkens (Turns black)? Why sanitary silicone sealant suddenly fell off? – Because I like to buy sanitary silicone.
Yes here is written on the packaging. The days are only half a year: etc. Variants of these complaints and many in the vast world Web Internet does not consider such questions and the response of the recommendations – they say buy from us, we have something exactly sanitary, but for the money as much or even cheaper. Let’s the same, we still see, what we buy for 60 rubles. First: What is silicone? Actually, it includes: * silicone rubber, * filler (pigment) * tiksotropiruschy (removes flow) agent, plasticizer * (increase the plasticity and elasticity) additives, fungicides * (antifungal) Supplements * catalyst (polymerization activator). Ratio of those ingredients in order listed should be approximately as follows: 45%, 45%, 4%, 4%, 1%, 1%.