Quality Control
1. Supplier Product Certification Review
2. Sample Testing → Melt Density Index
Complete Testing Process
- 1. ASTM D5199: Thickness
- 2. ASTM D792: Formulated Density
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3. ASTM D6692 Type IV:
• Yield strength
• Yield elongation
• Break strength
• Break elongation - 4. ASTM D1004: Tear Resistance
- 5. ASTM D4833: Puncture Resistance
- 6. ASTM D5397: Stress Crack Resistance
- 7. ASTM D4218: Carbon Black Content
- 8. ASTM D5596: Carbon Black Dispersion
- 9. ASTM D3895: Oxidative Induction Time
- 10. ASTM D5721: Oven Aging
- 11. ASTM D7238: UV Resistance
Finished Good Testing
Complete Testing Laboratory for Quality Control
1. Geomembrane Thickness
2. Sheet Density
3. Tensile Strength and Elongation at yield and at break
4. Tear Resistance
5. Index Puncture Resistance
6. Stress Crack Resistance Notched Constant Tensile Load
7. Carbon Black Content
8. Carbon Black Content Dispersion
9. Oxidative Induction Time
10. Oven Aging
