ISO9001:2015
CTF/CTQ Controlling Points Sheet for cold shrink products
CTF (Critical to Function)
NO | Item | Required | Controlling Points |
1 | Elongation | ≥670% | Sampling test for each lot of material |
2 | Tensile strength | ≥7.16Mpa | Sampling test for each lot of material |
3 | Tear Strength | ≥35KN/m | Sampling test for each lot of material |
4 | Waterproof rating | IPX7 | Sampling test for each lot of material |
CTQ (Critical to Quality)
NO | Item | Required | Controlling Points |
1 | Expanded Inner diameter | L±3mm | Inspection per each lot during first tour and final inspection according to method of MIL-STD-105E, LEVEIL, AQL=0.65. |
2 | Expanded Outer diameter | OD±4mm | Inspection per each lot during first tour and final inspection according to method of MIL-STD-105E, LEVEIL, AQL=0.65. |
3 | Expanded tube length | L±10mm | 100% Inspection by comparing with standard sample |
4 | Recovered tube length | L±5mm | 100% Inspection by comparing with standard sample |
5 | Recovered wall thickness | T±0.6mm | Inspection per each lot during first tour and final Inspection |
6 | Elongation | ≥670% | Sample 5 pcs for each lot |
7 | Tensile strength | ≥7.16Mpa | Sample 5 pcs for each lot |
8 | Tear Strength | ≥35KN/m | Sample 5 pcs for each lot |
9 | Waterproof rating | IPX7 | Sample pcs for each lot |
Contact Person: Mr. Richard Lee
Tel: +8618627678155