Membership Information

Active Membership

Active membership in the Sorptive Minerals Institute (SMI) is open to any firm or corporation that produces and/or sells Sorptive minerals, which are defined to include a variety of clays, specifically attapulgite, bentonite, diatomite and montmorillonite. In addition, the firm or corporation must have been actively engaged in processing and/or selling a significant quantity of sorptive minerals into the following markets for at least one and one half years.

• Agricultural Absorbents
• Industrial Absorbents
• Pet Absorbents
• Soil Amendments/Mulches

Application for membership in the Sorptive Minerals Institute must be made in writing. The applicant must complete the SMI Membership Application and submit it to the Executive Director. The SMI Board of Directors will consider the application at its next regularly scheduled meeting. The applicant will be notified of the Board of Directors’ decision within 15 days of the Board meeting.

Associate Membership
Associate Membership in the Sorptive Minerals Institute is open to any firm or corporation who is a manufacturer of supplies or a supplier of services directly related to the sorptive minerals industry. Associate Members may not vote or serve as officers of the corporation or as members of the corporation’s Board of Directors. Associate Members may attend meetings of the Board of Directors at the invitation of the Board.

Application for Associate Membership in the Sorptive Minerals Institute must be made in writing. The applicant must complete the SMI Associate Membership Application and submit it to the Executive Director. The SMI Board of Directors will consider the application at its next regularly scheduled meeting. The applicant will be notified of the Board of Directors’ decision within 15 days of the Board meeting.

Affiliate Members
Affiliate Membership in the Sorptive Minerals Institute is open to any firm or corporation engaged in the production and/or distribution of industrial minerals, other than absorbent clay minerals used in the applications specified for active membership. Affiliate Members may not vote or serve as officers of the corporation or as members of the corporation’s Board of Directors. Affiliate Members may attend meetings of the Board of Directors, attend meetings and participate in the activities of the SMI Technical Committee and, attend meetings and participate in the activities of any other committees created by the corporation.

Application for Affiliate Membership in the Sorptive Minerals Institute must be made in writing. The applicant must complete the SMI Affiliate Membership Application and submit it to the Executive Director. The SMI Board of Directors will consider the application at its next regularly scheduled meeting. The applicant will be notified of the Board of Directors’ decision within 15 days of the Board meeting.