QC System
| Polycon Quality Control | |
| Classification of Polycon pipe and its desi -gn is very similar to concrete pipe. ASTM C 76 standard for reinforced concrete pip e based its strength classes on three-edg e bearing resistance or D-loads. Polycon pipe is manufactured to the requirements of Class-V strengths. |
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| Polycon pipe used for “open-cut” installation are factory tested for water-tightness to 2.4 bars (35 psig) |
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Batch mix are randomly sampled and caste |
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| CHEMICAL RESISTANCE |
| - Polycon pipes are qualified for its chemical-resistance by subjecting at least sixspecimensto a load tests. Specimens are immersed in test solutions (H2SO4, pH=0.5 and NaOH, pH=10) while under load equal to 60% of the initial three-load bearing strength for 1,000 hours without failure. WORKMANSHIP- Polycon pipes are visually inspected for defects: pinholes, surface pits, cracks, etc. DIMENSIONAL CHECKS - Pipe diameter - Lengths - Wall thickness - Pipe straightness - Pipe roundness - Pipe ends squareness CRUSHING STRENGTH TEST - Three-edge Bearing Load Test COMPRESSIVE STRENGTH - Cubes are replicated in the lab and tested for compressive strength test. |
