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Top 3 Methyl Tin Stabilizer Manufacturer in China
20 years of dedication to non-toxic PVC heat stabilizers. Annual capacity of 7,500 tons, ROHS certified, serving medical packaging, food packaging, construction, toys and more.
(CH₃)₂Sn(SCH₂COOC₈H₁₇-i)₂
Tin Content ≥ 19%
Color (Pt-Co) ≤ 50
Appearance: Clear Liquid
Certification: ROHS ✓
Years of Expertise
Methyl Tin Annual Capacity
National Industry Ranking
Mercapto Antimony Capacity
PRODUCT CATEGORIES
Three product lines covering the full PVC processing workflow, with custom formulation development available.
High-efficiency, transparent, non-toxic stabilizers for sheets, pipes, films, and food/medical packaging.
Internal and external lubricant series to improve processing rheology and surface finish of PVC products.
Cost-effective antimony-based stabilizers for rigid PVC processing applications.
FEATURED PRODUCTS
Core products proven by the market, delivering stable value to our customers.

The most efficient heat stabilizer with best transparency and strong initial color retention. Suitable for all PVC processing.

Exclusive process, excellent lubricity and transparency. Specially developed for PVC heat shrink film and rigid/semi-rigid color film.

Premium mercapto methyl tin with excellent transparency and thermal stability for PVC sheets, shrink film, hoses and granules.

Years of Focus on PVC Heat Stabilizers
Zouping Factory · Yiyuan Factory
Qingdao Office & R&D Center
ABOUT UNISTARS
Unistars Plastics Additives (Zouping) Co., Ltd. develops and manufactures non-toxic PVC heat stabilizers, combining deep technical expertise with advanced production technology.
EU Environmental Certified
Quality Management
Food Contact Grade
Third-Party Testing
EU Registered
NEWS & INSIGHTS
Stay updated on Unistars news and industry insights.
The global methyl tin stabilizer market recorded $906M in 2025 and is forecast to grow at 5.5% CAGR, driven by rigid PVC demand.
Unistars presented its latest methyl tin stabilizer solutions, including XY-728 and XT-188, to global PVC processors.
The FDA recently updated food-contact regulations for organotin stabilizers in vinyl chloride plastics, reinforcing compliance requirements.