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 13 — one-component polyurethane joint sealant
One-component Sazilast 13 requires no mixing: the polyurethane prepolymer cures with air moisture, and the sealant is supplied in 600 ml foil sausage packs for a spatula or closed-barrel gun. It is used to fill joints between panels and blocks, joints of air ducts and ventilation shafts, standing-seam roofs, industrial concrete and polymer floors, and sandwich panels; adhesion to metal is good. The joint withstands movement of ±25% and service from −40 to +70 °C, and the predicted service life is 20 conventional years.
Specifications
| Manufacturer | Sazilast (SAZI) — OOO “KHIMTEKH-R”, Roshal |
|---|---|
| Type | joint sealants |
| Use | joints and junctions, roofs |
| Base | one-component non-shrinking moisture-curing polyurethane (prepolymer) sealant |
| Colour | white, grey |
| Packaging | 600 ml foil sausage pack |
| Application method | by spatula or closed-barrel gun; substrate damp (not wet), cleaned; anti-adhesive backer rod of polyethylene foam; in cold weather condition to +15…+25 °C; do not add solvents or water; working layer from 3 mm to 1/2 of the joint width |
| Application temperature | from −15 to +40 °C |
| Curing | skin formation at least 30 min (23 °C, 50% RH); curing of a 3 mm layer — 24 h at 23 °C |
| Key properties | permissible movement amplitude ±25%; nominal tensile strength at break at least 0.4 MPa; elongation at break at least 300% (on joint specimens); modulus at 100% elongation not more than 0.4 MPa; cohesive failure; flow not more than 2 mm; density ≈1.15–1.3 g/cm³; service from −40 to +70 °C; predicted service life 20 conventional years (3 mm layer, ±25%); can be painted with water-based acrylic paints |
| Layer thickness | working layer at least 3 mm, not more than 1/2 of the joint width |
| Consumption | 78 g/linear m (20 mm joint, 3 mm layer) |
| Shelf life | 12 months at +5…+25 °C in undamaged factory packaging; transport at −20…+5 °C for not more than 14 days is permitted |
| Standards | STO 118-37547621-2017; GOST R 59522-2021, classes 1 and 1P; certificate of conformity (manufacturer OOO “KHIMTEKH-R”, production — Roshal) |
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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