CHENCHI TQD-1 paper Air permeability meter 0~17 m/(Pa.s)
SE
0~17ųm/ (Pa.s)10±0.05cm²
The test area is 10 +/- 0.05cm ², the sample size is 60 × 100mm, and the inner diameter of the clamping ring is 35.68 +/- 0.05mm, which conforms to QB/T1667 and GB/T458 standards.