LFY-228C Anti chemical liquid pressure penetration performance tester
Main purpose
Suitable for testing the ability of protective clothing materials and gloves to resist the penetration of chemical liquids under specific time and pressure, and to inspect the penetration of liquids on materials.
Technical index
1. The instrument uses a pressure source to continuously pressurize the sample, without being limited by the space of the testing site (using a pressurized medium: compressed air).
2. The instrument has a pressure gauge to display the pressurization pressure, which can be adjusted, and the pressure adjustment rate should be less than 3.5kpa/s.
3. Specially designed stainless steel testing device and discharge valve, suitable for 40% sodium hydroxide at 20 ° C and 36% hydrochloric acid at 20 ° C 37% sulfuric acid at 20 ° C and 50% toluene, 50% isooctane, or other chemical liquids.
4. The instrument has a clamp that can generate 13.6Nm of torque.
6. Pressure testing points: 0kPa, 6.9kPa, 7kPa, 13.8kPa, 14kPa, 21kPa, 28kPa, 35kPa;
7. The digital timer is adjustable with an accuracy of ± 0.01s.
8. Sample size: 75mm × 75mm.
9. Test environment: temperature 20 ± 2 ℃, relative humidity 30% -80%.
10. Power supply: AC220V，50Hz
Applicable standards
ASTM F 1670-2008 Test Method for Resistance of Protective Fabrics to Penetration of Synthetic Blood
XF 7-2004 Fire-fighting gloves Chemical resistance test method
ASTM F903-2017 Standard Test Method for Resistance of Materials Used in Protective Clothing to Penetration by Liquids
GB 24539-2021 Protective clothing—Chemical protective clothing, Appendix F