[benxing]

1. Product Name
Methyl tin mercaptide SW-977

2. Product Description
SW-977 heat stabilizer is a high efficiency, liquid, sulfur containing, methyl tin mercaptide for all PVC processes, like extrusion, calendering, injection molding and blow molding etc. SW-977 provides outstanding transparency, excellent early color hold and superior thermal stability.

3. Product Specification
Tin content(%)    19± 0.5
Mercapto Sulfur content (%)    12± 0.5
Color (Pt-Co)    ≤ 50
Specific gravity(25 Degree Celsius, g/cm3)    1.16~1.19
Refractive index(25 Degree Celsius)    1.507~1.511
Viscosity(25 Degree Celsius, mPas)    20~80
Monomethyl tin content    19.0~29.0
Trimethyl tin content (%)    < 0.2
Appearance    Clear pale oily liquid
Volatiles content(%)    < 3

4.Product Features
Outstanding transparency
Excellent early color hold and superior thermal stability
Meet all requirements regulated by FDA and under European Union RoHS Act limits.

5. Packaging
Available in 220kg and 225kg plastic or steel drum, Non-returnable plastic totes, but also as per the customers` requests.

6. Storage and Handling
The materials are recommended to be stored indoor and dry place. Keep away from water and avoid the air contact directly. Operators should wear protective equipment, and washing timely after contacting human skin with soap. Use the plastic, stainless steel or glass instruments during the transportation. Iron and steel (non-stainless) should be avoided for piping, valves and pumps used to handle SW-977 stabilizer. For more detailed information, please check Material Safety Data Sheets.