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  • Insoluble Sulfur Sulphur Ot33 - China

    price: contact company for price

    Insoluble sulfur ( Insoluble sulphur) HD OT20 ( Crystex HDOT20)

    Technical Specification:

    Appearance Non- dusting yellow powder.

    Total Sulfur Content % : 66- 68

    Insoluble Sulfur ( On total Sulfur) % ≥ 90

    Thermal stability ( 105℃x15min) % ≥ 75

    Thermal stability ( 120℃x15min) % ≥ 40

    Oil Content% : 32- 34

    Acidity ( H2SO4) % ≤ 0.05

    Heating Loss ( 60℃x4h) % ≤ 0.50

    Ash Content % 0.15

    Finess ( 100 mesh) % ≥ 99.5

    Application:

    1. OT33 products are widely used in natural rubber and various synthetic rubbers.

    2. It is can be used for manufacturing tires, rubber belt, rubber tube, seals and other rubber products, especially for radial tire.

    Packaging and storage:

    1. It is wrapped in PP woven bag lined with PE plastic bag, net weight is 25Kg/ bag.

    2. It should be stored in a dry, clean and cool warehouse; storage temperature should be no more than 40℃. Precautions against fire, moisture, heat and compression agglomerate.

    It cannot be mixed with alkaline and amine substance.

    3. Shelf life is one year.


    Company Contact:


    • Phone: 00862161317292

    • Address: Pudong New District, Shanghai, China

    • Email: Email


    Published date: March 31, 2016 -

    • Business Description: Leader Technologies Co., Ltd is the largest & leading manufacturer and supplier of Rubber Chemicals in Shanghai China. Leader Technologies united by Three Factories (One rubber adhesive & antioxidant factory, one insoluble sulfur factory and one rubber functional auxiliary agent R&D factory), every factory was ISO certified and operated under ISO system.

      With the advantage of modern logistics and convenient transportation in Shanghai, our products exported to North and South Americas, Canada, Korea, South-east Asia, Middle East, Africa, India, Iran etc. Our products are widely used for tires, rubber tube & belts and so on, and wined good reputation in the market at home and abroad.

      As professional manufacturer, advanced production equipment and precision testing instruments have been used in our factories. Leader Technologies has a strong R&D team to focus on the research and develop Functional Auxiliary Agents for rubber & tire industries. With the investment and expansion of capacity step by step, Leader Technologies aims to become a large-scale & respected international company.

      Leader Technologies Co., Ltd supplied:
      30,000MT/year Functional Auxiliary Agents
      30,000MT/year Rubber Adhesive (HMMM, RA-65 & RA-72)
      20,000MT/year Insoluble Sulfur (HDOT20, OT33 & OT10)
      20,000MT/year Rubber Antioxidant (DTPD, 6PPD, IPPD & TMQ)

      Meanwhile, Leader Technologies has a very experienced team to provide technical supports on tire production, such as Technological Innovation, Tire Formulation Improvement, Workshop Construction Planning, Equipment Modification, Tire Quality Improvement etc. We are dedicated to provide one-stop services for tire industry.

      We regard the "Zero defect product" "zero defect quality" and "zero defect service" as our supreme goal during production and operation. We also carrying out clean production, and following the path of sustainable development.

      Leader's peoples will keep hard working to supply you with high quality products, best services, competitive price and quick delivery on time. It is our honor to work together with you.

      Trust us, you will gain more from us.

      Key words:
      Rubber industry, Tires industry, Rubber chemicals, Manufacturer&Supplier, Three factories, R&D, ISO certificate, Functional auxiliary agent, Rubber adhesive, Insoluble sulfur, Rubber antioxidant, Technological innovation, Tire formulation improvement, Workshop construction planning, Equipment modification, Tire quality improvement, Environmental protection, Sustainable development.

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