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PRI Provides complete testing for Ground Tire (Crumb) Rubber raw material, including state specific tests to meet individual state requirements.
Please see the Asphalt Binders: Ground Tire Rubber Modified section for more information on evaluations of Ground Tire Rubber Modified binders as well as formulation and performance evaluations.
Below is a listing of services we provide for Ground Tire Rubber. Other testing protocols are available; inquire if the specific test or property is not listed.
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Specifications
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State DOTs or Other Agencies - Florida
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FL DOT 919-3; Ground Tire Rubber for Use in Asphalt Rubber Binder (Sp Gr., Moisture, Metal Contaminates, Gradation)
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State DOTs or Other Agencies - Florida
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FL DOT 919-4; (ASTM D 297); Ground Tire Rubber for Use in Asphalt Rubber Binder (Acetone Extract, Hydrocarbon, Ash, Carbon Black & Natural Rubber Contents)
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Individual Test Methods or Properties
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Test Method
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Acetone Extract
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ASTM D 297; Test Method for Rubber Products Chemical Analysis, para 14.1
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Ash Content
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ASTM D 297; Test Method for Rubber Products Chemical Analysis, para 14-51
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Carbon Black Content
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ASTM D 297; Test Method for Rubber Products Chemical Analysis, para 38-39
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Fiber & Other Content
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AZ DOT TM 714
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Gradation (AZ DOT)
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AZ DOT TM 714
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Gradation (FL DOT)
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FL DOT FM 5-559, Section 4; Ground Tire Rubber
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Gradation (TX DOT)
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TX DOT Tex 200-F; Part 2
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Metal Contamination
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FL DOT FM 5-559, Section 5; Ground Tire Rubber
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Moisture Content
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FL DOT FM 5-559, Section 4; Ground Tire Rubber
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Natural Rubber
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ASTM D 297; Test Method for Rubber Products Chemical Analysis, para 11-13
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Rubber Hydrocarbon Content
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ASTM D 297; Test Method for Rubber Products Chemical Analysis, para 24
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Specific Gravity
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AZ DOT TM 714
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Specific Gravity
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FL DOT FM 5-559, Section 4; Ground Tire Rubber
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Viscosity, Rotational of GTR Binder
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FL DOT FM 5-548; Viscosity of asphalt Rubber by Rotational (Dip-n-Read) Viscometer
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