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JS-901LM
High performance MS sealant

JS-901LM high-performance MSALL sealant is a high-quality, single component, paintable, and pollution resistant neutral modified sealant based on silane modified polymers. This product does not contain solvents and is pollution-free to the environment. At the same time, it can produce superior adhesion for most building materials without the need for a primer.

Product features

〔1〕 Environmental protection products: solvent-free, PVC free, isocyanate free, non-toxic, odorless, pollution-free, and fast curing;

〔2〕 Surface Applicability: Compatible with most industrial paints, it can be sprayed after surface drying, which does not affect the curing rate;

〔3〕 Easy to use: excellent thixotropy and extrudability, wide temperature range;

〔4〕 Good adhesion: Excellent adhesion performance for most building materials such as stone, aluminum, ceramics, and cement components; No pollution to porous substances;

〔5〕 Excellent weather resistance, aging performance, and superior tensile and compressive resilience;

〔6〕 Neutral curing, non corrosive to building materials such as aluminum, steel, stone, prefabricated concrete components (PC board), cement fiber board, etc., overcoming the disadvantage of ordinary silicone adhesive that easily contaminates the substrate;

〔7〕 High displacement low modulus products: comply with the requirements of JC/T881-2017 "Building Sealants for Concrete Joints" standard 50LM level and GB/T 22083-2008 "Classification and Requirements for Building Sealants" standard 50 level.

Product parameters
Model JS-901LM High Performance  
Technical indicators   Lnspection standards
Color Black, white, gray, etc  
Curing Method Moisture cure  
Density(g/cm³) 1.45±0.1 GB/T 13477.2-2003
Non volatile matter% ≥99.5 GB/T 2793-1995
Sag(mm) 0 GB/T 13477.6-2003
Surface drying time(mins) 30-120 GB/T 13477.5-2003
Curing speed(mm/24h) 2-4  
Curing time (humidity 50 ± 5%, temperature 23 ± 2 ℃) 3-14 days
The product is cured at a humidity of 50 ± 5% and a temperature of 23 ± 2 ℃ for 14 days:
Hardness, Shore A ≤30 GB/T531.1-2008
Constant elongation adhesion100% No damage GB/T 13477.8-2017
Elastic recovery rate ≥80 GB/T 13477.17-2017
Elongation at break(%) ≥600 GB/T 528-2009
Breaking tensile strength(MPa) ≥0.8 GB/T 528-2009
Pollution No Pollution JC/T881-2001 Appendix A
Color and packaging

JS-901LM high-performance MSALL sealant is a soft packaging with a net capacity of 600mL aluminum plastic film.

JS-901LM high-performance MSALL sealant is available in three standard colors: black, white, and gray. Other colors can also be provided according to customer needs.

Storage and expiration date

JS-901LM high-performance MSALL sealant is packaged in a dry and ventilated environment with a temperature of 27 ℃ or lower. The product has a shelf life of 12 months from the date of production.

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