HNBR-HYDROGENATED NITRILE BUTADIENE RUBBER
HNBR-HYDROGENATED NITRILE BUTADIENE RUBBER
HNBR-HYDROGENATED NITRILE BUTADIENE RUBBER
HNBR-HYDROGENATED NITRILE BUTADIENE RUBBER
HNBR-HYDROGENATED NITRILE BUTADIENE RUBBER
HNBR-HYDROGENATED NITRILE BUTADIENE RUBBER
HNBR-HYDROGENATED NITRILE BUTADIENE RUBBER
HNBR-HYDROGENATED NITRILE BUTADIENE RUBBER
HNBR-HYDROGENATED NITRILE BUTADIENE RUBBER
HNBR-HYDROGENATED NITRILE BUTADIENE RUBBER
HNBR-HYDROGENATED NITRILE BUTADIENE RUBBER
HNBR-HYDROGENATED NITRILE BUTADIENE RUBBER
HNBR-HYDROGENATED NITRILE BUTADIENE RUBBER
HNBR-HYDROGENATED NITRILE BUTADIENE RUBBER

HNBR-HYDROGENATED NITRILE BUTADIENE RUBBER

International Advanced Level
3000 T/yr Production Capacity
10+ Countries and Regions Exported
Own Completely Independent Intellectual Property Rights

Dawn Special elastomer Company is an enterprise that develops, produces, and sells HNBR products with high technology content and high added value, and at the same time extends the processing and production of mixed rubber to downstream. The hydrogenated nitrile rubber plant has a designed capacity of 3,000 tons per year, and the first phase of 1,000 tons was officially produced in 2019. The hydrogenated nitrile rubber HNBR produced by Dawn Special Elastomer Co., Ltd makes China the third country in the world to break through HNBR technology in industrialization besides Germany and Japan.

We have 4 HNBR grades with different hydrogenation degrees - DN3408, DN3418, DN3428, DN3448, which can meet the needs of different customers.  Download-HNBR-PDF

Dawn HNBR

Hydrogenated butadiene-acrylonitrile rubber (HNBR) of Dawn Special Elastomer Co., ltd is a highly saturated elastomer which is treated by special hydrogenation. Compared with NBR, the molecular structure of HNBR contains a small amount or no carbon-carbon double bonds. It also has better thermal oxygen aging (working at 150℃ for a long time), ozone resistance, radiation resistance, chemically corrosive medium resistance(good resistance to hydrogen sulfide) and good dynamic properties, while maintaining the oil resistance and wear resistance of NBR. It is one of the special rubbers with the excellent comprehensive properties,which has wide-ranging applications in high-end sectors such as automotive manufacturing, oilfield drilling, aerospace, and defense.

Dawn HNBR's competitive advantages are: 

  1. Dawn Special Elastomer Material Co., Ltd. is the professional and advanced HNBR manufacturer in China;
  2. Adopt self-developed core catalysts

The hydrogenated nitrile rubber produced by Dawn Special Elastomer has been maturely applied in many products such as oil exploration gaskets, new energy vehicle motor seals, automotive timing belts, refrigerant-resistant O-rings, and aircraft oil pipes, and the products have been exported to dozens of countries.

The car timing belt made of Dawn HNBR has a service life of 250,000 to 300,000 kilometers, which basically achieves the same life as the engine and solves the problem that the timing belt must be replaced when the car travels 60,000 to 80,000 kilometers.

In terms of new energy vehicles, HNBR produced by Dawn Special Elastomer company has been successfully verified in the field of battery carbon tube dispersants, and new low-cost and high-efficiency catalysts have been successfully developed and been used stably.

Applications of HNBR

DN3408: Excellent heat resistance, suitable for synchronous belts, V-belts, O-rings, gaskets and seals, etc.

DN3418: Standard medium-high nitrile grade, excellent dynamic performance and processing performance, suitable for timing belts, O-rings, gaskets, oil seals and petroleum industry accessories, etc.

DN3428: Standard medium-high nitrile grade, excellent dynamic performance and processing performance, suitable for timing belts, O-rings, gaskets, oil seals and petroleum industry accessories, etc.

DN3448: Standard medium and high acrylonitrile grade, low saturation product. Excellent oil resistance and chemical medium resistance, good heat resistance and excellent dynamic fatigue performance. The product has excellent processing performance and is suitable for timing belts, O-rings, gaskets, oil seals and petroleum industry accessories.

Item Test Method Unit DN3408 DN3418 DN3428 DN3448
Acrylonitrile Content ISO24698-2 % 34 34 34 34
Mooney Viscosity ISO289

ML1+4100℃

88 88 88 85
Iodine Value ISO17564 mg/100mg 10 15 28 48
Hydrogenation Degree ISO14558 % 99 97 94 88

If you have interest on HNBR material, please feel free to contact us or inquire online!

FAQs

What is the price of your products and what are the accepted payment methods?

We provide detailed quotations specifying the prices of our products. The accepted payment methods include wire transfer, letter of credit, and other mutually agreed-upon options.

What is the minimum order quantity and how long does it take for delivery?

The minimum order quantity varies depending on the product. We will provide you with the specific minimum order quantity required. The estimated delivery time will depend on factors such as production capacity and shipping logistics.

Can you provide detailed product specifications and any relevant certifications?

Yes, we can provide comprehensive product specifications that include technical parameters, packaging options, and any relevant certifications or compliance standards met by the product.

Do you offer customization options or OEM services?

We can discuss customization options based on your specific requirements. If applicable, we also offer original equipment manufacturer (OEM) services. We can provide further information on our OEM capabilities upon request.