With more than 20 years of experience, SIWIN provides high-quality special silicone products to all customers worldwide, including OH Polymer CAS No.: 70131-67-8, MS Polymer CAS No. 216597-12-5, Deep Water Scavenger CAS No. 23432-65-7, etc.

Hot Product

Siwin now is the largest supplier of construction raw materials in north America, over 1500MT materials exported monthly.
OH polymer, silicone oils are Reach registered, also able to provide low D3-D10 version.

OH POLYMER

SILICONE OIL

VINYL OIL

MS POLYMER

New Promotion

SIWIN-AM121 is a UPDATED water scavenger designed for the production of moisture-curing construction adhesives and sealants, greatly improves the storage stability.

WR50

Silane waterproof emulsion.

Widely used in anti-corrosion, extend shelf life, for example concrete fence, concretefloor,building mortar exterior, etc.

SILANE TERMINATED POLYMER

Dimethoxy(methyl)silylmethylcarbamate-

terminated polyether

FOR MS SEALANT

O6224

It is a reactive chemical containing styryl and amine organic groups and a trimethoxysilyl group.

Vinyltriisopropenoxysilane can be used as cross linking agent with excellent performance, offers superior quality to the production of silicone rubber,

FOR SILICONE RUBBER

Industry Application

Siwin product portfolio are widely used in sealant, coating, plastic composite, cable, filler treatment, electronic industries.

Fiber Glass & Composite

Coating & Ink

Cable & Tube

Rubber & Plastic

Waterproof & Protection

Pigment & Filler

Textile & Dye

Sealant & Adhesive

We are a high-tech company focusing on the development, production and sales of silicone materials,

located in the beautiful historical city of Nanjing. Our strong R&D capabilities and rich application

experience enable us to provide customers with a full range of customized solutions.

Customization Will Better Meet Your Needs

1. Provide different sealant&adhesive customers the services of special organosilicone additives and their development and formulation design. For example, we have developed some special organosilicone additives for HB.FULLER, helping them improve their products’ performance while reducing costs .
2. In the coating industry, providing customers with a full range of organic silicon product designs, and continuously improve customer’s products’ performance.

Major Overseas Markets

We look forward to working closely with domestic and foreign customers to create a better future together.

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