- Email: [email protected]
Biaxially oriented PTFE creates versatile gasket material
NEWS
Editorial Office: Elsevier Ltd The Boulevard, Langford Lane Kidlington, Oxford OX5 1GB, UK Fax: +44 (0)1865 843973 Web: www.sealingtechnology.info Publisher: GregHopwood Valero Publisher: David E-mail: [email protected] Editor: Simon Atkinson Editor: Simon Atkinson Tel/Fax: +44 (0) 1904 655944 Tel: +44 (0) 1904 655944 E-mail: [email protected] E-mail: [email protected] Technical Editor: Bob Flitney Technical Flitney Tel: +44 Editor: (0)1588Bob 661056 +44 (0)1799 501659 E-mail:Tel: [email protected] E-mail: [email protected] Production Support Manager: Lin Lucas Production Manager: Lin Lucas E-mail:Support [email protected] E-mail: [email protected] Editorial advisory board: Editorial advisory board: $IDIER &RIBOURG & s #YRIL 8 ,ATTY & 9VES "IREMBAUT & s #YRIL 8 ,ATTY & !MRAT 0ARMAR 5+ s 2ICHARD & 3ALANT 53! !MRAT 0ARMAR 5+ s 2ICHARD & 3ALANT 53! 7OLFGANG 3CHÚPPLEIN $ s 3HUZO 3EYA * 7OLFGANG 3CHÚPPLEIN $ s 3HUZO 3EYA * 3COTT 3VENDSEN 53! s $R "RIAN 3 %LLIS 5+ Scott Svendsen (USA) Subscription Information Subscription Information An annual subscription to Sealing Technology includes 12 An annual issues and subscription online accesstoforSealing up to Technology 5 users. includes 12 issues and online access for up to 5 users. Prices: Prices:for all European countries & Iran 1334 1215 forfor allall European & Iran and Japan US$1495 countriescountries except Europe US$1362 countries except Europe and Japan ¥177 200 for for all Japan ¥161 400 foruntil Japan (Prices valid 31 December 2013) (Prices valid until Augustto2013) To subscribe send 31 payment the address above. To subscribe send payment to the address above. Tel: +44 (0)1865 843687 Tel: +44 (0)1865 843687/Fax: +44 or via www.sealingtechnology.info (0)1865 834971 Email: [email protected], Subscriptions run for 12 months, from the date payment is or via www.sealingtechnology.info. received. Subscriptions run for 12 months, from the date payment is received. Permissions may be sought directly from Elsevier Global Rights Department, PO Box 800, Oxford OX5 1DX, UK; phone: +44 1865 Permissions be sought from Elsevier Global Rights 843830, fax: may +44 1865 853333,directly email: [email protected]. You Department, PO Box 800, Oxford OX5 through 1DX, UK; phone: home +44 1865 may also contact Global Rights directly Elsevier’s page 843830, fax: +44 1865 853333, [email protected]. You (www.elsevier.com), selecting firstemail: ‘Support & contact’, then ‘Copyright may also contact Rights directly Elsevier’s home page & permission’. In Global the USA, users may through clear permissions and make (www.elsevier.com), first ‘Support Center, & contact’, payments through theselecting Copyright Clearance Inc.,then 222 ‘Copyright Rosewood & permission’. In the USA,USA; users may +1 clear and+1make Drive, Danvers, MA 01923, phone: 978permissions 750 8400, fax: 978 payments through thethrough Copyright Clearance Center, Inc.,Rapid 222 750 4744, and in the UK the Copyright Licensing Agency Rosewood Service Drive, Danvers, MA9001923, USA; phone: +1 978 750 8400, Clearance (CLARCS), Tottenham Court Road, London W1P fax: +1 750+44 4744, and7631 in the UK through Copyright Licensing 0LP, UK;978 phone: (0)20 5555; fax: +44the (0)20 7631 5500. Other Agency Rapid Service (CLARCS), 90 Tottenham Court Road, countries may Clearance have a local reprographic rights agency for payments. London W1PWorks 0LP, UK; phone: +44 (0)20 7631 5555; fax: +44 (0)20 Derivative 7631 5500.may Other countries mayofhave a local reprographic Subscribers reproduce tables contents or prepare lists ofrights artiagency for payments. cles including abstracts for internal circulation within their institutions. DerivativeofWorks Permission the Publisher is required for resale or distribution outside Subscribers mayPermission reproduce of tables contentsisorrequired preparefor listsallofother artithe institution. the of Publisher cles including abstracts for compilations internal circulation within their institutions. derivative works, including and translations. Permission ofStorage the Publisher is required for resale or distribution outside Electronic or Usage the institution. Permission Publisher is required for all other Permission of the Publisherofis the required to store or use electronically derivative works, including compilations and translations. any material contained in this journal, including any article or part of Electronic Storage or Usage an article. Except as outlined above, no part of this publication may Permission of the Publisher is required to or store or use electronically be reproduced, stored in a retrieval system transmitted in any form anybymaterial contained in thismechanical, journal, including any article or part or of or any means, electronic, photocopying, recording an article. Except outlined above, no partofofthe thisPublisher. publication may otherwise, withoutasprior written permission Address be reproduced, storedto: in Elsevier a retrieval system or transmitted in any form permissions requests Science Global Rights Department, at or by anyfax means, electronic, mechanical, photocopying, recording or the mail, and email addresses noted above. otherwise, without prior written permission of the Publisher. Address Notice permissions requests to: Elsevier Science Global Department, at No responsibility is assumed by the Publisher forRights any injury and/ thedamage mail, faxtoand emailoraddresses above.of products liability, or persons property noted as a matter Notice negligence or otherwise, or from any use or operation of any methNo responsibility is assumed thecontained Publisher in forthe anymaterial injury and/ ods, products, instructions or by ideas herein. or damage persons as a matter of products liability, Because of to rapid advanorcesproperty in the medical sciences, in particular, indenegligence or otherwise, or from any or dosages operation of anybemethpendent verification of diagnoses anduse drug should made. ods, products, instructionsmaterial or ideasis contained in conform the material herein. Although all advertising expected to to ethical Because ofstandards, rapid advan ces in the medical sciences, in particular, inde-a (medical) inclusion in this publication does not constitute pendent verification of diagnoses and drug be made. guarantee or endorsement of the quality or dosages value of should such product or Although all advertising material is expected to conform to ethical of the claims made of it by its manufacturer. (medical) standards, inclusion in this publication does not constitute a guarantee or endorsement of the quality or value of such product or of the claims made of it by its manufacturer.
12980 02129 Digitally Produced by Mayfield Press (Oxford) Ltd Digitally Produced by Mayfield Press (Oxford) Ltd
2
Sealing Technology
Biaxially oriented PTFE creates versatile gasket material
U
S company Lamons has introduced a biaxially oriented polytetrafluoroethylene (PTFE) gasket material. Called Matrix, it is produced using the HS-10 process developed by DuPont, which involves adding fillers or additives to PTFE. Designed for use in critical piping systems where superior chemical resistance and performance are required, this gasket material has excellent creep and chemical resistance, says the firm. Three Matrix products are currently available: UÊ £ääÊ >ÌÀÝÊÃÊ>ÊL>Ý>ÞÊÀiÌ>Ìi`]ÊÃV> filled PTFE sheet that can be used to seal most chemicals, except molten alkali metals, fluorine gas and hydrogen fluoride. It is approved for potable water service, complies with regulations set by the US Food and Drug Administration (FDA) and can be used with sulfuric acid (at all concentrations). UÊ £ä{Ê >ÌÀÝÊÃÊ>ÊL>Ý>ÞÊÀiÌ>Ìi`Êà iiÌÊ material containing PTFE and hollow glass micro-spheres. It has been developed to seal most chemicals except molten alkali metals, fluorine gas and hydrogen fluoride. This material is also approved for potable water service, complies with FDA regulations and has exceptional compression characteristics – making it good for use in glass-lined flanges or where load problems exist. UÊ ££äÊ >ÌÀÝÊÃÊ>Ê«}iÌvÀii]ÊL>Ý>ÞÊÀentated material that is composed of bariumsulfate-filled PTFE sheet. It can be used in sealing applications involving foodstuffs, pharmaceuticals and other general chemical media. It complies with FDA regulations and is acceptable for use in aqueous hydrofluoric >V`ÊLiÜÊ{¯]ÊLÕÌÊÃÊÌÊÃÕÌ>LiÊvÀÊÃi>ing molten alkali metals or fluorine gas
Contact: Lamons, 7300 Airport Boulevard, Houston, TX 77061, USA. Tel: +1 713 222 0284, Fax: +1 713 547 9502, Web: www.lamons.com
announced that it has completed a series of sour-gas tests according to the NORSOK M710 Annex A standard (ageing of elastomeric materials) in order to confirm the resistance of a number of its elastomer material grades to the effects of high-concentration sour gas (hydrogen sulphide). Hydrogen sulphide (H2S) can have detrimental effects on elastomers. Non-resistant elastomers will become hard and brittle – losing their elastic properties and ability to seal, ultimately leading to seal failure. The company says that a number of manufacturers have their elastomers tested to the NORSOK M710 standard to predict the useful life of seal materials used in sour gas environiÌðÊ/ iÊÕÊÌiÃÌÊ«>À>iÌiÀÃÊ>ÀiÊÓ¯Ê H2S and a minimum of three test temperatures, which are ‘‘above service the temperature’’, with no specific temperatures given. Heat has a significant effect on the results – the higher the temperature, the more aggressive the chemical attack on the elastomer. As a general rule, for each 10°C increase in temperature, the rate of the chemical reaction doubles. Therefore, engineers must be satisfied that the NORSOK-certified sealing material they have selected is tested to a temperature that is representative of “real-life” service conditions. PPE has recently received independent test results for a number of its oil and gas materials grades. It says that the tests, which were conducted at elevated temperatures and ÛÛi`Ê>Ê } ÊVViÌÀ>ÌÊÓx¯®ÊvÊÃÕÀÊ gas,. produced outstanding results. These tests parameters are more representative of real-life service conditions and seek to find the limits of the elastomer’s capability, and give engineers confidence in the design limits of a given sealing application. Contacts: Precision Polymer Engineering Ltd, Greenbank Road, Blackburn BB1 3EA, UK. Tel: +44 1254 295400, Fax: +44 1254 680182, Web: www.prepol.com Precision Polymer Engineering Llc, 1754 Technology Drive, Suite 244, San Jose, CA 95110, USA. Tel +1 408 441 2043, Fax: +1 408 441 1042, Email: [email protected]
AGP solves inherent PPE subjects challenges of on-ratio elastomer material mixing for silicones grades to sour-gas tests raco Inc of Minneapolis,
U
K-based Precision Polymer Engineering Ltd (PPE) has
G
Minnesota, USA, has introduced the ExactaBlend Advanced Glazing
August 2013
Editorial Office: Elsevier Ltd The Boulevard, Langford Lane Kidlington, Oxford OX5 1GB, UK Fax: +44 (0)1865 843973 Web: www.sealingtechnology.info Publisher: GregHopwood Valero Publisher: David E-mail: [email protected] Editor: Simon Atkinson Editor: Simon Atkinson Tel/Fax: +44 (0) 1904 655944 Tel: +44 (0) 1904 655944 E-mail: [email protected] E-mail: [email protected] Technical Editor: Bob Flitney Technical Flitney Tel: +44 Editor: (0)1588Bob 661056 +44 (0)1799 501659 E-mail:Tel: [email protected] E-mail: [email protected] Production Support Manager: Lin Lucas Production Manager: Lin Lucas E-mail:Support [email protected] E-mail: [email protected] Editorial advisory board: Editorial advisory board: $IDIER &RIBOURG & s #YRIL 8 ,ATTY & 9VES "IREMBAUT & s #YRIL 8 ,ATTY & !MRAT 0ARMAR 5+ s 2ICHARD & 3ALANT 53! !MRAT 0ARMAR 5+ s 2ICHARD & 3ALANT 53! 7OLFGANG 3CHÚPPLEIN $ s 3HUZO 3EYA * 7OLFGANG 3CHÚPPLEIN $ s 3HUZO 3EYA * 3COTT 3VENDSEN 53! s $R "RIAN 3 %LLIS 5+ Scott Svendsen (USA) Subscription Information Subscription Information An annual subscription to Sealing Technology includes 12 An annual issues and subscription online accesstoforSealing up to Technology 5 users. includes 12 issues and online access for up to 5 users. Prices: Prices:for all European countries & Iran 1334 1215 forfor allall European & Iran and Japan US$1495 countriescountries except Europe US$1362 countries except Europe and Japan ¥177 200 for for all Japan ¥161 400 foruntil Japan (Prices valid 31 December 2013) (Prices valid until Augustto2013) To subscribe send 31 payment the address above. To subscribe send payment to the address above. Tel: +44 (0)1865 843687 Tel: +44 (0)1865 843687/Fax: +44 or via www.sealingtechnology.info (0)1865 834971 Email: [email protected], Subscriptions run for 12 months, from the date payment is or via www.sealingtechnology.info. received. Subscriptions run for 12 months, from the date payment is received. Permissions may be sought directly from Elsevier Global Rights Department, PO Box 800, Oxford OX5 1DX, UK; phone: +44 1865 Permissions be sought from Elsevier Global Rights 843830, fax: may +44 1865 853333,directly email: [email protected]. You Department, PO Box 800, Oxford OX5 through 1DX, UK; phone: home +44 1865 may also contact Global Rights directly Elsevier’s page 843830, fax: +44 1865 853333, [email protected]. You (www.elsevier.com), selecting firstemail: ‘Support & contact’, then ‘Copyright may also contact Rights directly Elsevier’s home page & permission’. In Global the USA, users may through clear permissions and make (www.elsevier.com), first ‘Support Center, & contact’, payments through theselecting Copyright Clearance Inc.,then 222 ‘Copyright Rosewood & permission’. In the USA,USA; users may +1 clear and+1make Drive, Danvers, MA 01923, phone: 978permissions 750 8400, fax: 978 payments through thethrough Copyright Clearance Center, Inc.,Rapid 222 750 4744, and in the UK the Copyright Licensing Agency Rosewood Service Drive, Danvers, MA9001923, USA; phone: +1 978 750 8400, Clearance (CLARCS), Tottenham Court Road, London W1P fax: +1 750+44 4744, and7631 in the UK through Copyright Licensing 0LP, UK;978 phone: (0)20 5555; fax: +44the (0)20 7631 5500. Other Agency Rapid Service (CLARCS), 90 Tottenham Court Road, countries may Clearance have a local reprographic rights agency for payments. London W1PWorks 0LP, UK; phone: +44 (0)20 7631 5555; fax: +44 (0)20 Derivative 7631 5500.may Other countries mayofhave a local reprographic Subscribers reproduce tables contents or prepare lists ofrights artiagency for payments. cles including abstracts for internal circulation within their institutions. DerivativeofWorks Permission the Publisher is required for resale or distribution outside Subscribers mayPermission reproduce of tables contentsisorrequired preparefor listsallofother artithe institution. the of Publisher cles including abstracts for compilations internal circulation within their institutions. derivative works, including and translations. Permission ofStorage the Publisher is required for resale or distribution outside Electronic or Usage the institution. Permission Publisher is required for all other Permission of the Publisherofis the required to store or use electronically derivative works, including compilations and translations. any material contained in this journal, including any article or part of Electronic Storage or Usage an article. Except as outlined above, no part of this publication may Permission of the Publisher is required to or store or use electronically be reproduced, stored in a retrieval system transmitted in any form anybymaterial contained in thismechanical, journal, including any article or part or of or any means, electronic, photocopying, recording an article. Except outlined above, no partofofthe thisPublisher. publication may otherwise, withoutasprior written permission Address be reproduced, storedto: in Elsevier a retrieval system or transmitted in any form permissions requests Science Global Rights Department, at or by anyfax means, electronic, mechanical, photocopying, recording or the mail, and email addresses noted above. otherwise, without prior written permission of the Publisher. Address Notice permissions requests to: Elsevier Science Global Department, at No responsibility is assumed by the Publisher forRights any injury and/ thedamage mail, faxtoand emailoraddresses above.of products liability, or persons property noted as a matter Notice negligence or otherwise, or from any use or operation of any methNo responsibility is assumed thecontained Publisher in forthe anymaterial injury and/ ods, products, instructions or by ideas herein. or damage persons as a matter of products liability, Because of to rapid advanorcesproperty in the medical sciences, in particular, indenegligence or otherwise, or from any or dosages operation of anybemethpendent verification of diagnoses anduse drug should made. ods, products, instructionsmaterial or ideasis contained in conform the material herein. Although all advertising expected to to ethical Because ofstandards, rapid advan ces in the medical sciences, in particular, inde-a (medical) inclusion in this publication does not constitute pendent verification of diagnoses and drug be made. guarantee or endorsement of the quality or dosages value of should such product or Although all advertising material is expected to conform to ethical of the claims made of it by its manufacturer. (medical) standards, inclusion in this publication does not constitute a guarantee or endorsement of the quality or value of such product or of the claims made of it by its manufacturer.
12980 02129 Digitally Produced by Mayfield Press (Oxford) Ltd Digitally Produced by Mayfield Press (Oxford) Ltd
2
Sealing Technology
Biaxially oriented PTFE creates versatile gasket material
U
S company Lamons has introduced a biaxially oriented polytetrafluoroethylene (PTFE) gasket material. Called Matrix, it is produced using the HS-10 process developed by DuPont, which involves adding fillers or additives to PTFE. Designed for use in critical piping systems where superior chemical resistance and performance are required, this gasket material has excellent creep and chemical resistance, says the firm. Three Matrix products are currently available: UÊ £ääÊ >ÌÀÝÊÃÊ>ÊL>Ý>ÞÊÀiÌ>Ìi`]ÊÃV> filled PTFE sheet that can be used to seal most chemicals, except molten alkali metals, fluorine gas and hydrogen fluoride. It is approved for potable water service, complies with regulations set by the US Food and Drug Administration (FDA) and can be used with sulfuric acid (at all concentrations). UÊ £ä{Ê >ÌÀÝÊÃÊ>ÊL>Ý>ÞÊÀiÌ>Ìi`Êà iiÌÊ material containing PTFE and hollow glass micro-spheres. It has been developed to seal most chemicals except molten alkali metals, fluorine gas and hydrogen fluoride. This material is also approved for potable water service, complies with FDA regulations and has exceptional compression characteristics – making it good for use in glass-lined flanges or where load problems exist. UÊ ££äÊ >ÌÀÝÊÃÊ>Ê«}iÌvÀii]ÊL>Ý>ÞÊÀentated material that is composed of bariumsulfate-filled PTFE sheet. It can be used in sealing applications involving foodstuffs, pharmaceuticals and other general chemical media. It complies with FDA regulations and is acceptable for use in aqueous hydrofluoric >V`ÊLiÜÊ{¯]ÊLÕÌÊÃÊÌÊÃÕÌ>LiÊvÀÊÃi>ing molten alkali metals or fluorine gas
Contact: Lamons, 7300 Airport Boulevard, Houston, TX 77061, USA. Tel: +1 713 222 0284, Fax: +1 713 547 9502, Web: www.lamons.com
announced that it has completed a series of sour-gas tests according to the NORSOK M710 Annex A standard (ageing of elastomeric materials) in order to confirm the resistance of a number of its elastomer material grades to the effects of high-concentration sour gas (hydrogen sulphide). Hydrogen sulphide (H2S) can have detrimental effects on elastomers. Non-resistant elastomers will become hard and brittle – losing their elastic properties and ability to seal, ultimately leading to seal failure. The company says that a number of manufacturers have their elastomers tested to the NORSOK M710 standard to predict the useful life of seal materials used in sour gas environiÌðÊ/ iÊÕÊÌiÃÌÊ«>À>iÌiÀÃÊ>ÀiÊÓ¯Ê H2S and a minimum of three test temperatures, which are ‘‘above service the temperature’’, with no specific temperatures given. Heat has a significant effect on the results – the higher the temperature, the more aggressive the chemical attack on the elastomer. As a general rule, for each 10°C increase in temperature, the rate of the chemical reaction doubles. Therefore, engineers must be satisfied that the NORSOK-certified sealing material they have selected is tested to a temperature that is representative of “real-life” service conditions. PPE has recently received independent test results for a number of its oil and gas materials grades. It says that the tests, which were conducted at elevated temperatures and ÛÛi`Ê>Ê } ÊVViÌÀ>ÌÊÓx¯®ÊvÊÃÕÀÊ gas,. produced outstanding results. These tests parameters are more representative of real-life service conditions and seek to find the limits of the elastomer’s capability, and give engineers confidence in the design limits of a given sealing application. Contacts: Precision Polymer Engineering Ltd, Greenbank Road, Blackburn BB1 3EA, UK. Tel: +44 1254 295400, Fax: +44 1254 680182, Web: www.prepol.com Precision Polymer Engineering Llc, 1754 Technology Drive, Suite 244, San Jose, CA 95110, USA. Tel +1 408 441 2043, Fax: +1 408 441 1042, Email: [email protected]
AGP solves inherent PPE subjects challenges of on-ratio elastomer material mixing for silicones grades to sour-gas tests raco Inc of Minneapolis,
U
K-based Precision Polymer Engineering Ltd (PPE) has
G
Minnesota, USA, has introduced the ExactaBlend Advanced Glazing
August 2013