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Kumho promoting image of consistency, stability
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GRAND CAYMAN—After several years of uncertainty and inconsistency, Kumho Tire USA Inc.'s message to its dealers moving into 2017 is one of consistency, stability and dependability. The...
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GRAND CAYMAN—After several years of uncertainty and inconsistency, Kumho's message moving into 2017 is one of consistency, stability and dependability. GRAND CAYMAN—After several years of uncertainty and inconsistency, Kumho's message moving into 2017 is one of consistency, stability and dependability. $GRAND CAYMAN—After several years of uncertainty and inconsistency, Kumho's message moving into 2017 is one of consistency, stability and dependability.
Trelleborg expands Texas offshore engineering team
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HOUSTON—Trelleborg's offshore operation, based in Houston, has set up a global riser analysis team to incorporate in-house mathematical simulation capabilities into its current engineering...
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HOUSTON—Trelleborg's offshore operation has set up a global riser analysis team to incorporate in-house mathematical simulation capabilities into its current engineering group. HOUSTON—Trelleborg's offshore operation has set up a global riser analysis team to incorporate in-house mathematical simulation capabilities into its current engineering group. $HOUSTON—Trelleborg's offshore operation has set up a global riser analysis team to incorporate in-house mathematical simulation capabilities into its current engineering group.
Mexico prepares its defense of NAFTA
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MEXICO CITY—Mexican auto industry officials are lining up their arguments to defend the North American Free Trade Agreement against President-elect Donald Trump's campaign promise to...
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MEXICO CITY—Mexican auto industry officials are lining up their arguments to defend the North American Free Trade Agreement against President-elect Donald Trump's campaign promise to renegotiate the pact or throw it out altogether. MEXICO CITY—Mexican auto industry officials are lining up their arguments to defend the North American Free Trade Agreement against President-elect Donald Trump's campaign promise to renegotiate the pact or throw it out altogether. $MEXICO CITY—Mexican auto industry officials are lining up their arguments to defend the North American Free Trade Agreement against President-elect Donald Trump's campaign promise to renegotiate the pact or throw it out altogether.
Yokohama completes plant expansion in Philippines
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  CLARK FREEPORT ZONE, Philippines—Yokohama Tire Philippines Inc. has commissioned an expansion of capacity at its car and light truck tire factory in Clark Freeport Zone, which...
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CLARK FREEPORT ZONE, Philippines—Yokohama has commissioned an expansion of capacity at its car and light truck tire factory in Clark Freeport Zone, which exports the majority of its output to North America, Europe and other ASEAN countries. CLARK FREEPORT ZONE, Philippines—Yokohama has commissioned an expansion of capacity at its car and light truck tire factory in Clark Freeport Zone, which exports the majority of its output to North America, Europe and other ASEAN countries. $CLARK FREEPORT ZONE, Philippines—Yokohama has commissioned an expansion of capacity at its car and light truck tire factory in Clark Freeport Zone, which exports the majority of its output to North America, Europe and other ASEAN countries.
Fry: Market remains stagnant
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INDIANAPOLIS—Robert Fry isn't as pessimistic as most when it comes to the economy, but that doesn't mean he is optimistic. Manufacturing production has been flat for the last few years, and...
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INDIANAPOLIS—Robert Fry isn't as pessimistic as most when it comes to the economy, but that doesn't mean he is optimistic. INDIANAPOLIS—Robert Fry isn't as pessimistic as most when it comes to the economy, but that doesn't mean he is optimistic. $INDIANAPOLIS—Robert Fry isn't as pessimistic as most when it comes to the economy, but that doesn't mean he is optimistic.
New president excited to lead ASC
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INDIANAPOLIS—It has been a time of transition for the Adhesive and Sealant Council. William Allmond was named the association's new president in August, taking over for Matthew Croson, who...
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INDIANAPOLIS—It has been a time of transition for the Adhesive and Sealant Council as William Allmond took over as the association's new president in August. INDIANAPOLIS—It has been a time of transition for the Adhesive and Sealant Council as William Allmond took over as the association's new president in August. $INDIANAPOLIS—It has been a time of transition for the Adhesive and Sealant Council as William Allmond took over as the association's new president in August.
Firms use Career Fair to search for top talent
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PITTSBURGH—What is the current hiring situation in the rubber industry? It depends very much on which part of the industry and what kind of job, according to rubber industry executives...
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PITTSBURGH—Rubber industry recruiters say the current hiring situation in the rubber industry depends on which part of the industry and what kind of job. PITTSBURGH—Rubber industry recruiters say the current hiring situation in the rubber industry depends on which part of the industry and what kind of job. $PITTSBURGH—Rubber industry recruiters say the current hiring situation in the rubber industry depends on which part of the industry and what kind of job.
ARDL purchases land, property for expansion
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AKRON—For the first time in more than a decade and a half, Akron Rubber Development Laboratory Inc. is expanding. The family run business recently completed the acquisition of an 11-acre...
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AKRON—For the first time in more than a decade and a half, Akron Rubber Development Laboratory is expanding. AKRON—For the first time in more than a decade and a half, Akron Rubber Development Laboratory is expanding. $AKRON—For the first time in more than a decade and a half, Akron Rubber Development Laboratory is expanding.
Barwell gear pump takes center stage
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PITTSBURGH—Barwell Global Ltd. and its U.S. subsidiary, Barwell Machinery USA Inc., exhibited the company's continuous performing gear pump and other high-precision rubber processing...
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PITTSBURGH—Barwell Global and its U.S. subsidiary, Barwell Machinery USA, exhibited the company's continuous performing gear pump and other high-precision rubber processing equipment at the International Elastomer Conference. PITTSBURGH—Barwell Global and its U.S. subsidiary, Barwell Machinery USA, exhibited the company's continuous performing gear pump and other high-precision rubber processing equipment at the International Elastomer Conference. $PITTSBURGH—Barwell Global and its U.S. subsidiary, Barwell Machinery USA, exhibited the company's continuous performing gear pump and other high-precision rubber processing equipment at the International Elastomer Conference.
Bridgestone drives forward; Tire maker's plan includes recharging Firestone
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LOS ANGELES—Bridgestone Americas Tire Operations L.L.C. is recharging its Firestone brand for 2017 with four new tires, in addition to a new Bridgestone product and additional sizes for its...
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LOS ANGELES—Bridgestone Americas Tire Operations is recharging its Firestone brand for 2017 with four new tires, in addition to a new Bridgestone product and additional sizes for its Fuzion line. LOS ANGELES—Bridgestone Americas Tire Operations is recharging its Firestone brand for 2017 with four new tires, in addition to a new Bridgestone product and additional sizes for its Fuzion line. $LOS ANGELES—Bridgestone Americas Tire Operations is recharging its Firestone brand for 2017 with four new tires, in addition to a new Bridgestone product and additional sizes for its Fuzion line.
Digital Edition
Digital Edition
Published on January 1, 2006

Low Viscosity HNBR for Injection Molding Applications

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Date Published January 1, 2006
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This Report has been authored by:Richard J. Pazur at Lanxess Inc.

It is well-known throughout the rubber industry that the high Mooney viscosity of commercially available HNBRs can cause processing issues, particularly during the production of injection molded parts where high shear rates are often encountered. In order to address these processing concerns, LANXESS has developed Advanced Technology (AT) based HNBRs which possess substantially lower Mooney viscosities. The newest grade in the AT family is known as TherbanŽ AT A 3904 VP (34% acrylonitrile, < 0.9 % residual double bond content and 39 MU (100°C)). This investigation shows how HNBR-AT can improve the processability characteristics of a typical 70 MU 39% ACN HNBR. Compound Mooney and scorch as well as RPA all showed better processing characteristics when using the low viscosity HNBR-AT. Mechanical properties are essentially retained with only a minor change in stiffness values observed. The narrower MWD of HNBR-AT aids in the good mechanical property retention upon blending. All other properties tested were similar to those of the higher viscosity HNBR. This study has clearly demonstrated that the low viscosity HNBR-AT can be used alone or as blend component depending on the processability and/or final vulcanizate characteristics desired by the end user.