Gelest Support

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Please fill out the form to order printed literature at the bottom of this page.

Most materials are guaranteed for six months from date of shipment, with some exceptions. Please contact Customer Service if you need the guarantee period for a specific material.

Please contact Customer Service.

Gelest offers small quantities of many of our materials for sale. If you do not see what you need on our website, please contact Customer Service.

After searching our website and finding the product that you are interested in, click on the product code in blue, above the description. This will take you to the pricing page. If you do not see the size you want, or if there is no price listed, contact Customer Service.

Please contact Customer Service.

All TDSs are available on the product page. If a TDS is not listed, additional product information is available online in the related literature and brochures section of the product pages. Gelest’s technical brochures are available for download on the Handbooks and Brochures page.

We recommend a starting ratio of 1 vinyl to 1.5 hydride. To determine the ratio to use for specific products, try our Tools & Calculators and select the products from the drop-down menus.

Our Product Selection Guide allows you to select the class of materials you are interested in and choose the desired filters on the left side.

For information related to the amount of silane needed for a given surface, visit our Tools & Calculators.

For official statements, contact Regulatory Affairs by filling out the Customer Service Form.

Please fill out the Customer Service Form below, providing as much of the following information as possible: Gelest product code, purchase order number, date of shipment, Gelest order number.

For status inquiries, please fill out the Customer Service Form below. While we strive to ensure competition within a few days, questionnaire response time will vary depending upon the complexity of the form, regulations, product, and industry category and may take up to 6 weeks.

Sustainability is a strategic initiative at Gelest. Gelest embraces the Mitsubishi Chemical philosophy of KAITEKI: the sustainable development of society and the planet through a focus on solving environmental and social challenges. To realize KAITEKI, we are committed to our core values of sustainability, health and comfort, and the well-being of the Earth, its people, and our collective society. Please visit here.

Our parent company, Mitsubishi Chemical, represents and warrants that it has adopted a written policy that sets out its values and guidelines for action and behavior regarding people (including, without limitation, clients, employees, communities impacted by Mitsubishi’s business activities, and shareholders) and the environment.