Natural Stone Testing Services

NSI Materials Testing Lab

Making quality testing services accessible to everyone.

Utilize the association's state-of-the-art testing and reporting capabilities. Turn to the Natural Stone Institute if you:

  1. Are introducing new stone to the market
  2. Have outdated technical data (over 3 years old)
  3. Need project specific testing
  4. Are unsure of what testing you need for certain installation conditions
  5. Have concerns with a current installation and need guidance

 

About the Test Laboratory

  • Specializing in natural stone properties and evaluation
  • ISO17025 Accredited Test Facility (TL-1190)
  • Registered with the Army Corp of Engineers for C97 (Absorption & Bulk Gravity)
  • Member of the ASSIMAGRA S.TONE laboratory network
  • Exclusive North American Fischer Anchor Pull Test Provider
  • Can perform both Physical Properties and Environmental Exposure testing
  • Lab Manager has 18 years industry experience and is both vice-chair of the ASTM C18 committee on dimension stone and acting chair of the ISO/TC 327 committee for natural stones
  • Lead Lab Technician has over 15 years quality control experience
  • Technical Director has 30+ years of stone testing experience and is a past chair of the ASTM C18 committee on dimension stone.

 

Primary Scope of Testing Services:

  • Slip Resistance (Dynamic Coefficient of Friction) – ANSI A326.3, ASTM C1028

  • Absorption, Density, and Bulk Specific Gravity – ASTM C97, ASTM C121

  • Compressive Strength of Dimension Stone – ASTM C170

  • Flexural Strength – ASTM C880

  • Modulus of Rupture – ASTM C99, ASTM C120

  • Flexural Modulus of Elasticity – ASTM C1352

  • Abrasion Resistance – ASTM C1353

  • Anchorage Testing – ASTM C1354

  • Mortar Shear Bond Strength – ASTM C482

  • Stain & Chemical Resistance – ASTM D1308, ASTM C650

  • Freeze/Thaw Exposure Durability – ASTM C666, ASTM C1645, EN 12371

  • Salt Crystallization Resistance – EN 12370

  • Thermal & Moisture Cycling (Bowing Resistance) – EN 16306

  • Thermal Shock – ASTM C484

  • Flatwise Tensile Bond Strength – ASTM C297

  • Petrography – ASTM C1721

  • (*Additional testing capabilities available)

 

Testing Lab Testimonials

 

Competitive industry pricing with special pricing available for:

  • Natural Stone Institute members
  • Large volume orders
  • Bundled packages

 

Bundled Package #1 (Basic Physical Property Testing) Includes:

  1. C97 Absorption & Bulk Specific Gravity – 5 Specimens
  2. C170 Compressive Strength – 20 Specimens (5 parallel D, 5 parallel W, 5 perpendicular D, 5 perpendicular W)
  3. C880 Flexural Strength OR ASTM C99 Modus of Rupture – 20 Specimens (5 parallel D, 5 parallel W, 5 perpendicular D, 5 perpendicular W)

 

Bundled Package #2 (Expanded Physical Property Testing) Includes:

  1. C97 Absorption & Bulk Specific Gravity – 5 Specimens
  2. C99 Modulus of Rupture – 20 Specimens (5 parallel D, 5 parallel W, 5 perpendicular D, 5 perpendicular W)
  3. C170 Compressive Strength – 20 Specimens (5 parallel D, 5 parallel W, 5 perpendicular D, 5 perpendicular W)
  4. C880 Flexural Strength – 20 Specimens (5 parallel D, 5 parallel W, 5 perpendicular D, 5 perpendicular W)
  5. C1353 Abrasion Resistance – 3 Specimens

For a quotation and/or information on how many samples are needed for each test, please email:   technical@naturalstoneinstitute.org

 
 

 

 

 

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