Impedance: 8 Ohms+/-15%Nominal power: 0.5WMaximum power: 1.0WFrequency range: 300 - 4kHzSensitivity: 88+/-3dB SPLResonant frequency: 850Hz+/-20%Testing condition: at 0.1w/10cm at 0.8, 1.0, 1.2, 1.5kHz

The respirators are CE certified to the new EN149:2001 standard for use against bothsolid and liquid aerosols.They offer all the same design features as the FFP1 range but with increased filteringeffi

The respirators are CE certified to the new EN149:2001 standard for use against bothsolid and liquid aerosols.They offer all the same design features as the FFP1 range but with increased filteringeffi

Product Descriptions:1) Cap shield made of high density impact PE or ABS2) Fit for adjustable suspension slot or ratchet type headgear3) 50pcs/ctn, carton dimensions: 66*28*90cm, weight: 15kg4) Color:

Product Descriptions:1) Cap shield made of high density impact PE or ABS2) Fit for adjustable suspension slot or ratchet type headgear3) 50pcs/ctn, carton dimensions: 66*28*90cm, weight: 15kg4) Color:

Specification:Steel lace and steel sole safety boot is skid-proof, oil-proof, acid-proof, alkali-proof,water-proof, germ-proof, deodorant, force-bearing, stab-proof. It can bewidely used in fields of

Product Name: Safety ShoesModel Number: SB-005UQPlace of Origin: ChinaSpecification:Steel lace and steel sole safety boot is skid-proof, oil-proof, acid-proof, alkali-proof,water-proof, germ-proof, de

Product Description:1. Content: 100% silk2. Weight: 60g/m2, 75gsm, ..., etc.3. Width: 60, 70, ..., etc.4. Min order: 50 kg5. Lead Time: Within 15 days after lab-dips confirmed6. Productivity: 5000kg/d

Product Description:1. Content: 100% silk2. Weight: 60g/m2, 75gsm, ..., etc.3. Width: 60, 70, ..., etc.4. Min order: 50kg5. Lead Time: Within 15 days after lab-dips confirmed6. Productivity: 5000kg/da