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Bladders for pressure tanks

Bladders for pressure tanks The bladders for pressure tanks are made of a compound for products intended for con-tact with drinking water or for water to be conditioned. The white-cream coloured com-pound is made up of a mixture of NATURAL RUBBER, natural mineral fillers, mineral white oil refined for pharmaceutical use, physiologically harmless pigments and non-toxic vulcanizers. The maximum working tem-peratureis 60°C. By request, we can supply black bladders in EPDM – synthetic rubber – (ethylen/poly-propylene) resistant untill a temperature of 90°C and in BUTYL – butyl synthetic rubber, whose resistance reaches 100°C. Hardness: 40 ±5 SH