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DURArods (formerly SILSEAL)
‘DURArods’ is a closed cell polymer based product with a circular profile. It ensures stronger bonding of sealant with masonry,aluminium or other substrates & helps to maintain desired thickness of sealant at the joints center.It does not bond with cold applied sealants.It is used as a back-up to sealants in expansion joints and structural glazing systems.
1) Feature & Benefits
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Closed cell, hence negligible water/moisture absorption |
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Excellent chemical resistance-inert to most acids and alkalis |
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Cost effective space filer |
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Allows unrestrained expansion & contraction of sealants. Eliminates bubbling of sealant. |
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Non-staining-Reduces sealant consumption. |
2) Technical Specifications
| Sr. | Property | Units | DURA rods typical values | Test method |
| 1 | Water absorption | Gm/Cm3 | 0.014 max | ASTM-1016-1994a |
| 2 | Density | Kg/Mtr3 | 22 min | ASTM-D3575-1993 |
| 3 | Compression strength at 25% deflection | Kg/Cm3 | 0.45 min. | ASTM-5249-1992 |
| 4 | Compression Recovery | % | 80min | ASTM-5249-1992 |
3) APPLICATION
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Pre-cost panel joints |
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Coping joints |
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Contraction joints |
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Expansion joints |
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Back up to sealant in structural glazing systems |
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Glazing joints isolation joints |
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Dynamic joints in masonry etc. |
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Window and door frame per meters. |
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Control joints. |