Geosynthetic Accreditation Institute

SI Geosolutions
(Performance Nonwoven Division)
Attn: Toni Ruppert
(800) 258-3121

List of Accredited Test Methods:

  • ASTM D1388  - Stiffness        
  • ASTM D3786  - Mullen Burst 
  • ASTM D4491  - Permittivity    
  • ASTM D4533  - Trapezoidal Tear
  • ASTM D4595  - GT Wide Width Tensile         
  • ASTM D4632  - GT Grab Tensile
  • ASTM D4751  - A.O.S
  • ASTM D4833  - Index Puncture
  • ASTM D5035 - Textile Strip Tensile   
  • ASTM D5199  - Thickness
  • ASTM D5261  - Mass/Unit Area
  • ASTM D6241  - CBR Puncture
  • ASTM D6475  - Mass ECB
  • ASTM D6524  - Resiliency TRM
  • ASTM D6525  - Thickness EC
  • ASTM D6566  - Mass TRM
  • ASTM D6567  - Light Penetration TRM
  • ASTM D6575  - Stiffness TRM
  • ASTM D6818  - Tensile Properties TRM

[Method List]

[Laboratory List]

[GAI page]