| Specifications (mm) | Parameters | |||||
| Head Diameter | Screw Diameter | Screw Pitch | Length | Condition | Test Project | Standard |
| 26mm | M20mm | 2.5mm | 26.7mm | Basic detetion | Opening Valve pressure | 12.5±2Kpa |
| Closing Valve pressure | 11.5±2Kpa | |||||
| Valve pressure defference | ≤1.0Kpa | |||||
| Acid and corrosion resistance test | Opening Valve pressure | 12.5±2Kpa | ||||
| Closing Valve pressure | 11.5±2Kpa | |||||
| Valve pressure defference | ≤2.0Kpa | |||||
| High and low temperature resistance test (high temperature 900C and low temperature -300C | Opening Valve pressure | 12.5±2Kpa | ||||
| Closing Valve pressure | 11.5±2Kpa | |||||
| Valve pressure defference | ≤2.0Kpa | |||||
| Aging resistance test (high temperature 90 ºC low temperature - 30 ºC) | Opening Valve pressure | 12.5±2Kpa | ||||
| Closing Valve pressure | 10.5±2Kpa | |||||
| Valve pressure defference | ≤2.0Kpa | |||||
| Battery water consumption test (75 ºC high temperature cycle test | Mass change fraction | ≤3% | ||||
| Working environment test | ~40ºC~+80ºC | normal | ||||
| Rubber gasket | Shaw A hardness | 53±30 | ||||
| Elongation at break after corrosion | ≥300% | |||||
| Tensile strength after corrosion | ≥5Mpa | |||||
| Compression set (90 ºC/22h) | ≤30% | |||||

Q:Can you supply free samples?
A: For small pieces samples, we can offer free samples, but courier charge is in your account.
Q: How about the transport method?
A: According your request, we can arrange air transport or sea transport for you.
Q: Whether the products has testing report?
A: Yes, every batch of products, we can offer related testing report for you.
Q:How about the package method?
A: Normally, we pack magic eye basis on 500pcs per inner carton, and 4000pcs one outside carton, and one outside carton is around 35-40kgs, and then put outside cartons on plastic pallet.












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