Waterproofing and We ather-Resistant MS Polymer Sealant for Indoor and Outdoor Gap Filling & Bonding

**FEATURES**
-1、Environmental protection and safety: Solvent-free, low odor, harmless to the human body, and a green building material.
-2、Strong weather resistance: Resistant to ultraviolet rays, high and low temperatures (-40℃ to 100℃), not prone to cracking or yellowing.
-3、Wide bonding: It has a good bonding effect on various substrates such as concrete, metal, glass, wood, and plastic.
-4、Paintability: The surface can be sanded and painted, meeting various decoration needs.
-5、Durability and elasticity: It maintains flexibility after curing, can move along with the joint, and has a long service life.
**PACKAGING**
500ml sausage cartridge 20PCS/box、300ml in cartridge 24pcs/box
-Also available in larger buckets for professional use
**BASIC USES**
-1、In the field of architecture: joint filling for curtain walls, joints of precast concrete slabs, and sealing around doors and Windows.
-2、Industrial field: Structural bonding and sealing of containers, buses, and rail vehicles.
-3、Interior decoration: Installation and edge finishing of kitchen and bathroom fixtures, as well as wood and stone decorative panels.
-4、Automotive industry: Sealing of welds on bus bodies and bonding of glass.
**COLOURS**
- Standard: Semi-transparent, white, black, grey, off-white
- Other colors may be available upon request

• Basic Product Information

MS Sealant - Technical Data Sheet (TDS) General Template
Item Description/Typical Value Test Standard
1. Basic Information
Product Name: MS Polymer Sealant (e.g., Highly Flexible Weather-Resistant)
Main Ingredient: Modified Silane Polymer
Appearance: Paste, various colors (white, gray, black, etc.) Visual Inspection
2. Physical Properties
Density (g/cm³): Approximately 1.35 - 1.50 ISO 1183
Open Time (min): Approximately 15 - 45 (23°C, 50% RH) ASTM C679
3. Mechanical Properties
Hardness (Shore A): Approximately 20 - 50 ISO 868
Tensile Strength (MPa): ≥ 1.5 - 3.0 ISO 527
Elongation at Break (%): ≥ 400% - 800% ISO 527
Elastic Recovery (%): ≥ 85% - 95% ISO 7389
Tensile Modulus (MPa): Approximately 0.3 - 0.8 (e.g., 100% elongation) ISO 527
4. Durability and Weathering Resistance
Heat Resistance: Typically -40°C to +90°C (short-term exposure to 120°C)
UV Resistance: Excellent, no yellowing or cracking, ASTM G154
Sag Resistance: Excellent, suitable for vertical surface, ASTM C639
Property Retention after Accelerated Aging: Tensile Strength and Elongation Retention > 80% ISO 4892
5. Adhesion Properties: Adhesive to a wide range of substrates, including concrete, stone, aluminum, glass, wood, painted steel, and plastics (PP and PE require a primer).
Bond Strength (MPa): ≥ 1.0 - 2.0 (to concrete or aluminum) ISO 8339
6. Chemical and Environmental Properties: Extremely low VOC content, meeting environmental standards GB 18583, EN ISO 11890
Isocyanate Content: None
Solvent Content: None
Water Resistance: Excellent
7. Workability
Extrusion Rate (g/min): Approximately 200-400 (depending on nozzle size and pressure) ASTM C603
Pot Life: Workable until tack-free
Paintability: Good; various coatings can be applied after surface curing