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Mastic bitumen-rubber “Stroymast”
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- Additional information
- Questions & Answers
Mastic bituminous rubber “Stroymast” is designed for any waterproofing work, produced outdoors. The composition of the mastic is SBS-modified bitumen, technological additives, mineral fillers, as well as an organic solvent (the presence of which excludes the use of mastic for internal waterproofing operations). It is an inexpensive equivalent of Tekhnonikol mastic # 20.
The main purpose of bitumen-rubber mastic “Stroymast” – the device and repair of roofs. It can be used for the construction of flat roofed roofs due to the high strength characteristics achieved after complete drying of the mastic. It can also be used for waterproofing foundations, underground building structures and structures. Consumption for the device of mastic roofs 3.8-5.7 kg / m2, with a waterproofing device 2.5-3.7 kg / m2.
A special feature of the mastic is its high hardness when drying, as well as a high temperature range of application (can be stacked at -20 to +40 degrees)
|Strength of adhesion to concrete, MPa||
|Прочность сцепления с металлом, МПа||
|Strength of adhesion between roll materials, MPa||
|Прочность сцепления рулонный материал-бетон, МПа||
|Shear strength of adhesive joint, kN / m||
|Conditional strength, MPa||
|Relative elongation at break,%||
|Water absorption for 24 hours, by weight||
|Массовая доля нелетучих веществ, %||
|Heat resistance, С||
|Temperature of flexibility on the bar, C||
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The name of indicators Unit. measurements Value BP-G25 BP-G35 BP-G50 Softening temperature, not lower than 0С 100 100 100 Flexibility on the rod Æ 20 mm, not higher 0С -25 -35 -50 Relative elongation at the moment of rupture, not less than at -20 ° C % 75 150 200 Temperature of stickiness, not less than 0С 50 50 50 Stamina, number of cycles, no less than – 30000 30000 30000 Water absorption, not more than % 0,5 0,5 0,5 Change in properties under UV irradiation, not more than h 1000 1000 1000