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Technical standards for meltblown ( BFE 95 disposable mask MeltBlown ) | ||||||||
Item | Technical index | Test Method | ||||||
Composition | 100%PP | |||||||
Exterior | White, soft, no ochre change, no dirt, no foreign matter, no broken mix | Visual inspection | ||||||
Smell | No obvious odor | Nose | ||||||
Width (cm) | +/-17.5cm (custom size are welcome) | Ruler | ||||||
Whiteness | 80% | Whiteness Meter | ||||||
Single gram weight(e/-j) | 22 +/-7%(g) | 30+/-7% | 33+/-7% | Electronic balance | ||||
Flow (l/-in) | 32 | 8130 Tester | ||||||
Resistance | < 2.0 | < 2.3; or cen be custom by clients’ request | < 3.0 | 8130 Tester | ||||
Transmittance(%) | W 18 | 8130 Tester | ||||||
Bacterial filtration efficiency | >95% | 99% | 8130 Tester | |||||
Paper core | 7.6cm | Tape Measure | ||||||
Roll’s diameter | Under 70cm | Tape Measure | ||||||
Each pack high degree | Under 80cm | Tape Measure | ||||||
Each roll should be marked with order number, roll number, production date: Be sure to use plastic to prevent rain and moisture, | ||||||||




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