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  • Contact us

    Customer support for U.S.

    8:00 a.m. to 5:30 p.m. (EST), Monday-Friday 
    Phone: 1-855-282-6867 
    1-610-573-2600 (outside U.S.) 
    Fax: 1-610-573-2650 
    1-610-573-2650 (outside U.S.) 

    A note about return goods

    Avantor only accepts return goods that have been authorized via an issued Return Goods Authorization. Please contact our Customer Service department for return instructions. Under no circumstances should returns be sent to our corporate offices located in Radnor, PA; Center Valley, PA; or any other Avantor office location. Failure to follow these instructions will result in the shipment being rejected, and charges to your company to re-deliver the freight to correct delivery address.

    Customer support for Avantor India


    Customer support for advanced silicones

    For all inquiries related to Avantor NuSil™ brand:

    Phone: 1-805-684-8780
    Product information, SDS and more: visit www.nusil.com

    Customer support for VWR ordering

    Visit www.vwr.com

    Customer support for Puritan Products™ brand chemicals

    Effective June 19, 2017, to order Avantor Puritan Products™ brand chemicals or receive product support:

    Phone: 1-855-282-6867
    1-610-573-2600 (outside U.S.) 
    Dial 3 for customer service, or dial 5 for technical service. 
    Fax: 1-610-573-2650

    Product information, SDS and more: visit www.puritanproducts.com

    Other ways to get in touch


    Global directory

    The Americas

    United States 
    Avantor Performance Materials, LLC. Global Headquarters 
    3477 Corporate Parkway  
    Center Valley, PA 18034 
    U.S.A. 1-610-573-2600 
    Fax: 1-610-573-2610

    Radnor Corporate Center
    Building One, Suite 200
    100 Matsonford Road 
    Radnor, PA 19087-8660
    Phone: (610) 386-1700

    Avantor Performance Materials S.A. de C.V.
    Fracc. Industrial Esfuerzo Nacional Xalostoc
    Ecatepec Estado de Mexico CP 55320
    5255 5699 0250
    Fax: 5255 5755 2585 


    The Netherlands
    Nieuwe Stationsstraat 20
    6811 KS Arnhem
    Telephone: +31 (0)26-3527412
    Fax: +31 (0)268458422 

    Avantor Performance Materials Poland S.A.
    ul. Sowińskiego 11, 44-101 Gliwice
    +48 32 2392 000
    Export Department - Phone: +48 32 23-92-305; 123
    Customer Service - Phone: +48 32 23-92-181;183;378;450 
    Fax: +48 32 23-92-305;487
    Customer service:  export@avantorinc.com


    Avantor Performance Materials India Limited Headquarters
    17th Floor, Building No. 5 Tower C
    DLF Cyber City Phase - III
    Gurgaon - 122002, Haryana
    Fax: 0091-124-4656799
    Customer service:  csindia@avantorinc.com  


    Avantor Performance Materials Sdn Bhd
    A-1201-2, 12th Floor, Wisma AmFIRST Tower 1
    Jalan SS7/15, Kelana Jaya
    47301 Petaling Jaya, Selangor
    603-7803 0378
    Fax: 603-7803 0405

    Avantor Performance Materials Korea, Ltd.
    7F Milbridge Hall, Yeoksam-ro 112
    Gangnam-gu, Seoul, 06252
    Fax: 82-2-571-5401

    Avantor Performance Materials Trading (Shanghai) Co., Ltd,
    Room 204, Building A, Baoland Plaza, No. 688 Dalian Road
    Shanghai 200082
    Phone: +86 (21) 5878 3226
    Fax: +86 (21) 5877 7253

    Avantor Performance Materials Taiwan Co. Ltd.
    Tai Yuen Hi-Tech Industrial Park
    No. 38-1, Tai Yuen St.
    Chu-Bei City, HsinChu Hsien
    Taiwan R.O.C. 30265
    Fax: 886-3-560-0788