Customization: | Available |
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Bonding Function: | Weather-resistant, Strong Bonding |
Morphology: | Paste |
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Model NO: 608 | ||||
Test under GB/T 29755-2013 <Elastic sealants for insulating glass> | ||||
Property | Standard Regulation |
Result | Testing Basis | |
Appearance | Exquisite, uniform, no bubbles, no clumps, no gel, no crust,and no precipitate,the color of each component should be different | Qualified | GB/T 29755-2013(5.2) | |
Density (g/cm³) | Part A | Specified value±0.1 | 1.39 | GB/T 13477.2-2018(2) |
Part B | Specified value±0.1 | 1.07 | ||
Slumpability(mm) | Vertical(mm) | ≤3 | 0 | GB/T 29755-2013(5.4) |
Horizontal | No deformation | No deformation | ||
Tack free time(h) | ≤2 | 1.0 | GB/T 13477.5-2002(5) | |
Applicable time*(min) | ≥20 | 27 | GB/T 29755-2013(5.6) | |
Hardness (Shore A) | 30-60 | 43 | GB/T 29755-2013(5.7) | |
Elastic recovery (%) | ≥80 | 84 | GB/T 13477.17-2002(17) | |
Tensile adhesive strength | Tensile bond strength(MPA) | ≥0.6 | 1.07 | GB/T 29755-2013(5.9) |
Extreme elongation at maximum tensile strength(%) | ≥50 | 134 | ||
Bonding destruction area(%) | ≤10 | 0 | ||
Tensile properties at maintained extension | No destruction | No destruction | GB/T 13477.10-2002(10) | |
Tensile adhesive strength after immersion in water and UV light | Tensile bond strength(MPA) | ≥0.45 | 0.88 | GB/T 29755-2013(5.11) |
Extreme elongation at maximum tensile strength(%) | ≥40 | 304 | ||
Bonding destruction area(%) | ≤30 | 1 | ||
Tensile adhesive strength after heat aging | Tensile bond strength(MPA) | ≥0.60 | 1.24 | GB/T 29755-2013(5.12) |
Extreme elongation at maximum tensile strength(%) | ≥40 | 136 | ||
Bonding destruction area(%) | ≤30 | 0 | ||
Weight loss(%) | ≤6.0 | 2 | GB/T 29755-2013(5.13) | |
Water vapor transmission rate g/(m^2·d) | Report data | 13.0 | ||
*According to GB/T 13477.3, the B method is used to measure, extrude the sealant with a hole diameter of 4 mm, the sample pretreatment temperature (23±2)ºC, and the time corresponding to the reading extrusion rate is 50mL/min, which is the applicable time |
SMT608 is a high performance, moisture curing, two-part neutral sealant, specifically designed for the insulating glazing industry for the production of hermetically sealed units.
1.Two-part, neutral cure, RTV silicone sealant
2.Cures to form a durable, long-lasting, flexible, weather-tight bond
3.Noncorrosive by products
4.Non slump, permitting automated glazing
5.Excellent unprimed adhesion to glass and metal substrates, such as galvanized steel, stainless steel
1.Primarily used as a secondary sealant in production of dual-sealed insulating glass unit production
2.High strength applications
CNAS Certificate