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| Customization: | Available |
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| Application: | Construction, Weatherproofing Sealant |
| Bonding Function: | Weather Sealing |
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Audited Supplier Audited by an independent third-party inspection agency
| Model NO: ZZ32 | ||||
| Property | Standard Regulation |
Result | ||
| Appearance | Exquisite, uniform, no bubbles, no clumps, no gel, no crust and no precipitate |
Qualified | ||
| Slumpability(mm) | Vertical(mm) | ≤3 | 0 | |
| Horizontal | No deformation | No deformation | ||
| Extrusion(mL/min) | ≥150 | 462 | ||
| Tack free time(h) | ≤3 | 0.8 | ||
| Elastic recovery (%) | ≥80 | 93 | ||
| Tensile modulus (Mpa) | 23ºC | >0.4 or >0.6 | 0.8 | |
| -20ºC | / | |||
| Tensile properties at maintained extension | No destruction | No destruction | ||
| Tensile properties at maintained extension after immersion in water | No destruction | No destruction | ||
| Adhesion/cohesion properties at variable temperatures | No destruction | No destruction | ||
| Weight loss(%) | ≤8 | 3.0 | ||
| Alkane plasticizers | 0 | 0 | ||
| Chemical type | Ketoxime | |||
| Movement Capability | 25HM | |||
SMT-998 is a high performance neutral silicone sealant with excellent weatherability, ideally suited for movement joints of the high rise curtain walls
1.One part , excellent weatherability, unaffected by sunlight, rain, snow and ozone
2.High Performance Silicone
3.Weatherproofing Sealant
4.Excellent resistance to temperature extremes, stable and flexible over -50 ºC to +170 ºC
5.Good compatibility with other neutral silicone sealants
1.Weather seal for the high-rise curtain walls and skyscrapers
2.Weather seal for the large-sized metal and glass panel curtain walls, spider systems
▪ Don't contain any Persistent Organic Pollutants (POPs) as listed in EU Regulation 2019/1021.
▪ Don't contain any substances listed under the Stockholm Convention on Persistent Organic Pollutants (POPs Treaty).
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