Sazilast (SAZI)
Sazilast 503 — thixotropic polysulfide sealant of the 500 series
Thixotropic sealant for vertical and inclined joints of bridges and tunnels under mechanical load; tensile strength at break from 1.5 MPa.
Price on request
Sazilast (SAZI)
Sazilast 53 — high-strength thiokol joint sealant
Among the thiokol sealants of the range, Sazilast 53 stands out for its increased strength: nominal tensile strength at break is at least 0.7 MPa, and Shore A hardness after one day is at least 30. After vulcanisation, the two-component thixotropic paste withstands joint movement of up to 25% and bonds well to marble, granite and metal. It is used in saw-cut joints in concrete, elements of bridges and tunnels, reinforced concrete water conduits and on metal roofs. Contact with drinking water is excluded.
Specifications
| Manufacturer | Sazilast (SAZI) — OOO “KHIMTEKH-R”, Roshal |
|---|---|
| Type | joint sealants |
| Use | joints and junctions, bridge structures, tunnels and metro, roofs |
| Base | two-component curing non-shrinking polysulfide (thiokol) sealant; thixotropic paste |
| Colour | dark grey |
| Packaging | 15.4 kg kit: sealing paste 14 kg + curing paste 1.4 kg |
| Application method | mix the base paste with the curing paste using a low-speed drill for at least 10 min; in cold weather keep the kit in a warm room for at least a day; do not thin with solvents; apply by spatula only to a dry surface cleaned of dirt, grease, laitance and old sealant; in winter remove ice and frost |
| Application temperature | from −15 to +40 °C |
| Curing | vulcanisation with a cross-linking agent; pot life at least 3 h at 23 °C |
| Key properties | elongation at break at least 200% (on joint specimens); nominal tensile strength at break at least 0.7 MPa; modulus at 100% elongation at least 0.6 MPa; cohesive failure; Shore A hardness after 24 h at least 30; flow not more than 2 mm; density ≈1.6 g/cm³; service from −60 to +90 °C; joint movement up to 25%; adhesion to marble, granite, metal; short-term contact with groundwater, mildly aggressive media and petroleum products; contact with drinking water is not permitted |
| Consumption | 320 g/linear m (joint 20 mm wide, 10 mm layer) |
| Shelf life | 6 months at −20…+30 °C in undamaged factory packaging |
| Standards | STO 054-37547621-2019 (with amendment No. 1); certificate of conformity RQ RU.1301.H00362 valid until 26.05.2028 (manufacturer OOO “KHIMTEKH-R”, production — Moscow Region, Roshal); SGR (state registration certificate) RU.01.34.008.E.000225.02.22 |
Data from the manufacturer’s technical data sheet. The coating system, number of coats and quantity are selected for your project on request.
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Sazilast 25 (grey label) — polyurethane sealant for facade joints
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Sazilast 52 — pourable thiokol sealant for horizontal joints
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Price on request