ISO 9001:2015 and AS9100D Certified
ISO 9001:2015 and AS9100D Certified
(805) 686-4500
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Providing Premier Silicone Products and Services Worldwide

Custom Silicone Products: Where Quality Meets Versatility

"Where customer satisfaction is built on a foundation of Quality"
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Large-Scale Custom Silicone Engineering

Because of its unique properties, silicone rubber has been a leading choice for making seals, gaskets, extruded tubing and hoses, bakeware, wine bungs, and other parts and products since the 1940s. Make the most of this innovative production material with the help of Global Silicones, Inc. (GSI). We provide small and large-scale custom silicone solutions to help customers reduce their manufacturing costs. Our silicone products and services can be tailored to meet specifications like AMS, DMS, Mil-R, and ASTM.
Find out more about our custom silicone solutions.
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Silicone Compounding and Color Matching

Our team's expertise has allowed us to address some of the most challenging specifications issued for silicone rubber throughout our over 31 years in business. With this extensive technical and industry knowledge and our diverse inventory of high-quality silicone bases, additives, and cure systems, GSI can offer expedient delivery of custom silicone compounds that meet various material specifications.
Products
Improve the quality of your product with the right inputs. Our custom silicone compounds can help elevate your product and your bottom line.
Products Compounding
Learn more about our custom silicone materials, production process, and testing measures. We ensure that all items are safe and ready for shipment.
Compounding Quality
Quality is not just a word to GSI; it is a mindset, a way of life, and a desire of any successful manufacturer.
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About Us

Established in 1993, GSI is a full-service custom silicone mixing firm specializing in mixing and color-matching high-consistency silicone rubber, commonly known as HCR. We mix silicone for various applications, including aerospace, automotive, medical devices, construction, and more.
Our Mission
To provide outstanding customer care by offering consistently high-quality products, on-time delivery, and competitive pricing.
Company Values
The business was founded by Phil Galarneau, a family man who believed in the importance of quality products and life. His beliefs are reflected in how we always have expectations and quality in mind within our core values. Our customers expect quality custom silicone products and excellent customer service from us, and we deliver.
Our Humble Beginnings
GSI was established to address two glaringly apparent needs in the silicone industry: easier access for small businesses to purchase small or increasing volumes of custom silicone compounds and reduced turn-around time for ordered materials. Through experience, research, and in-depth communication with customers and prospective customers alike, we focused on fulfilling these two deficiencies in the market, eventually averaging delivery within 4 to 7 days for most compounds.
Since then, we have greatly improved our production and delivery capabilities. Our company consistently meets our goal of supplying cost-efficient and high-quality custom silicone compounds to small business owners while also expanding our capabilities to serve larger enterprises worldwide.

The GSI Team

All GSI employees are part of an ISO 9001-based continual training and education process that allows and promotes cutting-edge improvements to our operation. With involvement in organizations such as The Los Angeles Rubber Group, Inc. (TLARGI), the American Society for Testing and Materials (ASTM), and the American Chemical Society, our specialists stay updated with the latest industry trends and innovations.

Committed to Delivering Quality Silicone Products and Services

Our focus has always been to continually improve as a business. That is why we use a quality management system to meet customer expectations and quality goals. We also encourage open and honest communication between our employees, suppliers, and customers, empowering them to identify areas for improvement and solutions to optimize our operations and product performance.
Obtaining and maintaining our ISO 9001:2015 and AS9100D certifications proves that our processes in place have met the challenge, fulfilling our promises and proving we do our work well.

Reach Out to a Custom Silicone Supplier Today

To inquire about our silicone products and services or start a project with us, please do not hesitate to connect with us now. We will gladly address your questions and accommodate your custom silicone specifications and requirements.

Contact

Thank you for your interest. For questions or comments, please use the information listed here. We look forward to hearing from you soon.
Phone(805) 686-4500
Service AreaWorldwide Services Available
Hours of OperationMonday-Thursday, 7:00 a.m.-4:30 p.m.Friday, 7:00 a.m.-11:00 a.m.After-Hours, Weekend Hours Available by Appointment
Address49 Industrial WayBuellton, CA 93427

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Contact

Thank you for your interest. For questions or comments, please use the information listed here. We look forward to hearing from you soon.
Address49 Industrial WayBuellton, CA 93427
Service AreaWorldwide Services Available
Hours of OperationMonday-Thursday, 7:00 a.m.-4:30 p.m.
Phone(805) 686-4500
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