ISO 9001 Certified

We implement ISO management throughout our day to day operation. Since we started ISO system in Year 2008, we improve each year to implement the management system in details of each supplying process. This helps us to provide better services and meet or even go beyond customer’s expectations.

In-depth understanding of customers’ individual requirements and specific needs

Thanks to years of working in chemical business, and cooperation with world leading companies in various industries, we could understand customers’ specific needs, hence to assess manufacturers based on customers’ criteria and supervise the overall process starting from product standard, supplier qualification to entire trading process in customers’ point of view.

Uncompromising quality and safety compliance

Product quality and safe transportation are always our priorities.

Working with world class testing and analysis institution in Shanghai, we provide more comprehensive tests, which manufacturers are not able to carry out. Following strictly international standard on packing, labeling, palletizing and cargo reinforcement, we work on every detail to ensure goods arrival to customers in safe and good condition.

Multiple logistic solutions

Based on customers’ specific needs and properties of cargo, we provide multiple logistic solutions including sea, air, courier and land transportation. We are especially experienced in cargo consolidation of different classifications and make maximum use of each delivery to minimize transportation costs.

Product Description

Product Name: Methyl Tin Mercaptide
Type SW-MTM-S1-155

Identification
Synonyms Methyltin mercaptide PVC Heat Stabilizer; Methyltin isooctylmercaptoacetate stabilizers; Me-Sn-stabiliser; Methyltin Heat Stabilizer; Organotin Heat Stabilizer; Methyltin mercaptide
Chemical Name Dimethyltin bis(2-ethylhexyl mercaptoacetate)
Methyltin tris(2-ethylhexyl mercaptoacetate)
Molecular Formula (CH3)2Sn(SCH2COOC8H17)2 55-65%
CH3Sn(SCH2COOC8H17)3 35-45%
Molecular Weight 555.40 and 743.68
CAS Number 57583-35-4 and 57583-34-3

Properties
Appearance colorless transparent oily liquid
Boiling Point 221.1℃

Specification

Application
Methyl Tin Mercaptide Heat Stabilizer is currently the plastic heat stabilizer with the most excellent performance, which is very effective for the calendaring, extrusion, injection and blow molding process to produce different kinds of PVC products. It has good balancing of properties giving outstanding initial pigmenting property and excellent both initial and long-term stability. It is recommended to replace other plastic heat stabilizers .
Methyl Tin Mercaptide SW-MTM-S1-155 is a more economical tin stabilizer. It is recommended to use in hard PVC, esp for PVC pipe, profile and transparent cable.

Advantages
High Heat Stability
According to the appraisal of the international authoritative organs, Methyl Tin Mercaptide has the highest heat stability and best early-phase coloring among the organic tin heat stabilizers.
Small Dosage
At the same effect, Methyl Tin Mercaptide enjoys small dosage, 15-20% less than butyl tin and octyl tin, with generally 0.8-1.5 shares.
Excellent Performance
PVC products using Methyl Tin Mercaptide Heat Stabilizer enjoy high transparency and clean color shade.

Packing and Storage
Packing In 225kgs /250kgs net plastic drum or 1000kgs/1200kgs IBC Tote.
Storage Keep tightly closed and store in cool and dry place. Avoid sunlight and heat.
Shelflife Two years.

Safety Information
Non-hazardous for air, sea and road freight.
Detailed safety information is contained in each Material Safety Data Sheet, which can be obtained from our company.

Adhering to a strict way of doing things right, honoring every commitment, and continuing to create values for customers are SunwiseChem’s fundamental principles and spirits.

Throughout the development over ten years, SunwiseChem has been managing the entire trade process for each transaction, and paying attention to every detail. Today, SunwiseChem  provides global customers comprehensive services including sourcing, custom synthesis, quality control and multiple logistic solutions.

After years of accumulation, SunwiseChem has formed several product lines, including plastic additives/auxiliaries and films, water treatment chemicals and biocides, electronic and new material chemicals, pharmaceutical/agrochemical raw materials and intermediates, and ink/printing chemicals among others.

SunwiseChem has been consistently seeking the development together with its customers, by looking into their individual requirement, proactively discussing and being involved in customer’s project development, choosing manufacturing sites under stringent criteria, and endeavoring itself to follow-up project stages closely. Being always available and reliable when customers seeking information and development, SunwiseChem has formed strategic partnership with its key customers and has been growing together with them.

SunwiseChem pays close attention to new policies and changes in relevant chemical industries both in China and globally, especially on the EHS status of its suppliers, to ensure selected manufacturers in consistent supply to our customers.

Our endeavors and strives to excel, have won us more and more confidence and supports, from both customers and suppliers. SunwiseChem, a partner you could reply on.