KASTAR 977 Construction Glue & MS Sealant – Strong Bond
KASTAR977Construction Glue MS Sealant has wet and dry bond strength on all substrates including slightly humid ones Good mechanical properties. No solvent such as silicone or isocyanate, no halogen or acid Good processability even at low temperatures. Surfaces can be over-painted with water-dilutable paints. It provides adhesion to various porous and nonporous substrates without the need for primer Shrinkage free Does not crack or discolor
Chemical Base: Silane Modified Polymer
Curing System: Moisture
Density: 1.04 gr/ml
Appearance/Color: Paste, Clear
Tack free time: 5-10 min (23°C and %50 R.H.)
MS Polymer Sealant & Adhesive, Nomex solvent, silicone, nor isocyanate, Low VOC, No bubbling in wet & humid conditions, Excellent UV stability Closable with water-based paints, No shrinkage, no oil stains on panels and porous substrates, Non-sag, easy to use, No tacky surface. It has a good initial tack on many surfaces /non etching and requires no abrasive surface preparation / suitable for aluminum, zinc, galvanized steel, stainless steel, and copper as well as natural stone, concrete, brick, etc. In construction and building work where sharp clear elastic bonding is desired. Low-profile adhesion and sealing of glass as well as other types of transparent materials in indoor environments.
- Biodegradable, non-scented, low VOC, highly non-toxic.
- No shrinkage after full dry.
- Good tackifiers, suitable for all types of coatings and wood.
- The water resistance is rather high; it resists the rain wash, and it could be used for the outside of tanks.
- Some facts about this product, more cure speed than other sealants when it is cold.
- Wathering provides favorable results in considerably diverse climate conditions.
- Windows, doors & perimeter joints movement joints, panels of the exterior facade; metal; glazing; caulk & sealants.
- EIES and other curtain walls and building construction applications of non-struction(SSG).
- All surfaces: glass, aluminum, ceramics, metal & steel, fiberglass, most plastics vinyl windows.
Ceramic tiles, bricks, marble and granite, concrete and masonry surfaces, and pre-cast panels.
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Chemical Base | Silane Modified Polymer |
Curing System | Moisture |
Density | 1.04 gr/ml |
Appearance/Color | Paste, Clear |
Tack free time | 5-10 min (23°C and %50 R.H.) |
Curing rate | >3.0mm/ 24 hr (23°Cand %50 R.H.) |
Hardness Shore A | About 50 – 60 |
Elongation at break | ≧60% |
Tensile strength | >3.0Mpa |
100% Tensile Modulus | >2.2Mpa |
UV resistant | No change. |
Shirkage | ≤ 1.5% |
Service Temperature | -50°C to +70°C |
Application Temperature | +5°C to +35°C |
Shelf life | 12 months |
Chemical Base | Silane Modified Polymer |
Curing System | Moisture |
Density | 1.04 gr/ml |
Appearance/Color | Paste, Clear |
Tack free time | 5-10 min (23°C and %50 R.H.) |
Curing rate | >3.0mm/ 24 hr (23°Cand %50 R.H.) |
Hardness Shore A | About 50 – 60 |
Elongation at break | ≧60% |
Tensile strength | >3.0Mpa |
100% Tensile Modulus | >2.2Mpa |
UV resistant | No change. |
Shirkage | ≤ 1.5% |
Service Temperature | -50°C to +70°C |
Application Temperature | +5°C to +35°C |
Shelf life | 12 months |

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