non woven series-尊龙凯时官方旗舰店

【 structure and composition 】 this product is composed of non-woven cloth, spray cloth, nose clip and mask belt.

1. the mask should be free of mildew, no damage, no stain and no impurities; the face mask made of sewing or heat sealing should be firm, the needle code is uniform, straight, no crease, no open line, leak, leakage phenomenon. 2. after wearing the mask, it should be able to cover the wearer's mouth and nose to the lower jaw; its dimensions shall conform to the provisions of table 1. 3. the mask should be equipped with a nasal clamp, which is made of plastic material. the length of the nose clip should be no less than 8.0cm. 4. the mask belt should be worn easily; the fracture strength of each mask band and the contact point of the mask body should be no less than 10n. 5. the bacterial filtration efficiency of the mask should be no less than 95%; the ventilation resistance of gas exchange between the two sides of the mask should not be greater than 49pa/cm2. 6. the non-woven booker should not be less than 20g/m2; the longitudinal fracture strength of nonwoven fabric should be greater than or equal to 13n, and the transverse fracture strength should be greater than or equal to 8n. 7. elastic band (applicable to flat ear hanging) elongation ratio should be 1:2.2-1:3. the elastic recovery rate should be 75.0%. 8. the cotton fiber should be flat ribbon, width 10 m to 40 mm, the end is thickened and the inner cavity with irregular shape; the fibers should be purple; fiber should not be dissolved; the solution should not be pink; the warp fiber should be all or almost all cotton, and the weft fiber should be all or almost all typical cotton fibers. check the warp and weft fibers, occasionally a small number of isolated foreign fibers exist; only the microscopic brown and purple fluorescence and a small amount of yellow particles should be used. in addition to a small amount of isolated fiber, should not show strong blue fluorescence; the number of yarn per 100mm should meet the requirements of table 2; the quality of each square metre (in grams) should meet the requirements of table 1; the minimum breaking force per 50mm (in newtons) should meet the requirements of table 1. the sinking time shall be no more than 10s; the total amount of soluble in ether should not be greater than 0.50%; after 300s, the surface active substance foam should not exceed 2mm. the total amount of soluble in water should not be greater than 0.50%; the solution should not be blue, purple, light red or light brown; the color of the obtained liquid should not be darker than the control liquid specified in appendix a. the quality loss of absorbent cotton gauze should not be greater than 8.0%; the total amount of sulphate ash should meet the requirements of table 3. 9. no less than 8 stitches per 3cm. 10. the mask should be sterile. 11. the mask should be sterilized by ethylene oxide, and the residual amount of ethylene oxide should not exceed 10 mu g/g.

【 suitable for 】 for clinical personnel to wear in the process of non invasive operation, covering the user's mouth, nose and chin, in order to prevent microbial pathogens, such as the particulate matter directly through provide a physical barrier.

contraindication: no absolute contraindication.

1. this product is a disposable product, which is damaged in packaging and is strictly prohibited to be used and destroyed after use.

2. see packaging seal or label on the production batch number, and the sterilization date is in the outer packing box.

3. this product is sterilized by ethylene oxide.

[use method] 1. select the applicable specifications and model, and then open the package after the outer packing is in good condition.

2. expand the lamination, and the nasal clamp is on the top.

3. put the mask on the chin, and place the nose clip on the skin with the two fingers horizontally, and press the root of the nose to make the shape.

4. bring the ear to the ear and adjust the ear to feel as comfortable as possible.

5. if you are wearing a live band mask, you should attach two straps to the top of the top of the mask. the two straps are attached to the neck.

6. after the product is finished, it should be treated with medical waste to avoid pollution.

[storage method] 1. this product is used in the carriage and hold of the cabins, and is kept clean, without pressure, sunshine and rain and snow.

2. handle gently in handling and avoid violent collision;

3. the product shall be stored away from the fire source, and the relative humidity shall not exceed 80%, without corrosive gas and well-ventilated and clean environment.

[production date] see packaging seal or label.

expiry date: see packaging seal or label.

[label, package logo]

[specification preparation date] february 7, 2017.