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Mixing

   

Effect of accelerator mixing ratio on curing characteristics of EPDM gasket materials

In a four-person household, the washing machine is in operation about one and a half hours a day. On average, it washes, rinses and spins about 250 times a year, cleaning some 1,000 kilograms of dirty laundry, an amount that is increasing all the time. Its components, particularly the rubber hose systems and rubber gaskets, are subjected to greater chemical and mechanical stresses than just about any other household appliance. Moisture, detergents and cleaning agents, particularly alkaline agents, as well as high water temperatures must not have an adverse effect on the material. Due to the long service life of the washing machine, all polymer parts, especially rubber parts, need to have a service life of at least 10 years, which means excellent resistance to aging.

Silicone & Medical

   

Trelleborg’s iCast LSR speeds small batch product development

Trelleborg Sealing Solutions is supporting manufacturers with iCast™ LSR, a new fast and flexible digital manufacturing process for product development and small batch production of Liquid Silicone Rubber (LSR) parts.
Trelleborg’s unique iCastTM LSR process offers a cost-effective way for manufacturers to develop product variations or try out different design concepts before investing in serial production tools. In addition, the process enables the start of pre-series and series production with small batches, to close the gap between low and high-volume production.

Oil, Gas & Energy

   

Lanxess new prepolymer degrades in aqueous and hot applications for oil and gas

LANXESS is adding to its extensive range of polyurethane (PU) systems for the oil and gas industry with a new prepolymer: Adiprene® Degrade 80C AQ90A. It can be used to manufacture elastomer components that can be deployed in temporary challenging applications and break down by themselves in warm (from 50 to 93ºC) and wet environments after a defined period of time

Testing & Instruments

   

How to increase throughput when testing elastomers

When elastomers are being used in a manufacturing process, it is important to verify their physical properties by performing testing
at all stages of production. When researching and developing new elastomers, such as those used in tires, extensive testing is required to verify and validate each elastomeric compound. Research and development facilities for elastomeric materials will sometimes go through hundreds or thousands of specimens before moving on toward production. During production, testing is typically performed for quality control purposes

The April Issue of Rubber World

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This issue focuses on Automotive Elastomers & Parts
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