Search results for: 'Oil''
- HYDRAULIC CUTTING MACHINE WITH AUTO-FEEDING TABLE; 2000mm WIDTH x 1300mm DEPTH ( 78.7” X 51”)REFERENCE NUMBER: Y-2079 HYDRAULIC CUTTING MACHINE WITH AUTO-FEEDING TABLE; 2000mm WIDTH x 1300mm DEPTH ( 78.7” X 51”) AUTO-BALANCING STRUCTURE: DOUBLE-CYLINDER, FOUR-COLUMN, AND SELF-BALANCING CONNECTING ROD MAKE SURE EQUAL PRESSURE IS APPLIED THROUGHOUT WORKING AREA. MACHINE SLOWS DOWN WHEN THE CUTTING DIE TOUCHES MATERIAL TO BE CUT, TO CONFIRM THE PRECISION BETWEEN UPPER AND BOTTOM PLATEN FOR THICK MATERIALS. WITH STROKE ADJUSTMENT DEVICE, MAKES STROKE SIMPLE AND CORRECT TO ADJUST WITH CUTTING DIE, CUTTING BOARD, AND MATERIALS. CENTRAL AUTOMATIC LUBRICATION SYSTEM, INCREASES MACHINE LIFESPAN AUTOMATIC COUNTING ADJUSTABLE LIFT HEIGHT ADJUSTABLE CUTTING DEPTH CUTTING FORCE: 200 TONS DIMENSIONS: 2900 x 2950 x 2000mm DAYLIGHT: 230mm (9 inches) OIL PUMP: 53 ml PER ROTATION CUTTING AREA: WIDTH 2000mm X DEPTH 1300mm (78.7 inches x 51 inches) STROKE: 50 TO 230mm (from 2 inches to 9 inches) MOTOR: 11 KW WEIGHT: 6800 KG QUANTITY: 1 Learn More
- T-6550 MEDICAL PROTECTIVE CLOTHING BLOOD SYNTHETIC PENETRABILITY TESTER
REFERENCE NUMBER: T-6550
MEDICAL PROTECTIVE CLOTHING BLOOD SYNTHETIC PENETRABILITY TESTER
TECHNICAL SPECIFICATIONS AND CONFIGURATION:
1. THE INSTRUMENT ADOPTS AN AIR SOURCE THAT CAN PROVIDE (0.5 ~ 30±0.1) KPA PRESSURE TO CONTINUOUSLY PRESSURIZED THE SAMPLE, WHICH IS NOT RESTRICTED BY THE SPACE OF THE TEST SITE;
2. THE AIR PRESSURE RANGE CAN BE ADJUSTED FREELY, AND THE ADJUSTMENT RANGE (0.5 ~ 30) KPA;
3. COLOR TOUCH SCREEN DISPLAY AND OPERATION;
4. THE SAMPLE CLAMPING PAD IS PROCESSED WITH IMPORTED SPECIAL ALUMINUM PROFILES, WHICH IS LIGHT IN MATERIAL, CLEAN IN SURFACE AND NEVER RUSTS.
5. THE INSTRUMENT ADOPTS IMPORTED SPECIAL ALUMINUM WIRE DRAWING PANEL, EQUIPPED WITH METAL KEYS, SENSITIVE OPERATION, NOT EASY TO DAMAGE;
6. CLAMPING DEVICE FOR INSTRUMENT SAMPLES, EQUIPPED WITH LOCKING PROTECTION, TO PREVENT THE SYNTHETIC BLOOD FROM SPLASHING AROUND;
7. CLAMPING FORCE IS ACCURATE AND RELIABLE;
8. THE TEST TANK IS EQUIPPED WITH A SPECIAL PLACEMENT DEVICE, WHICH IS CONVENIENT FOR CUSTOMERS TO OPERATE;
9. THE TEST TANK IS PROCESSED WITH SPECIAL 316 STAINLESS STEEL, AND THE TOP IS EQUIPPED WITH A SPECIAL COVER FOR HIGH TRANSPARENT PROTECTION;
10. THE WASHER BELOW THE SAMPLE IS MADE OF HIGH-QUALITY PTFE MATERIAL AFTER SPECIAL PROCESSING;
11. SQUARE METAL BLOCK NET: OPEN SPACE ≥50°%; BENDING ≤5mm AT 30KPA;
12. INSTRUMENT TIME CONTROL ACCURACY ≤01 SECONDS;
13. THE SHELL OF THE INSTRUMENT IS MADE OF HIGH-QUALITY METAL BAKING PAINT, WHICH IS BEAUTIFUL AND GENEROUS.
14. EQUIPPED WITH PRINTER INTERFACE, CONNECTED TO THE PRINTER CAN DIRECTLY PRINT DATA REPORTS.
TECHNICAL PARAMETERS:
1. SAMPLE SIZE: 75mm X 75mm
2. TEST AREA: 28.26 SQUARE CENTIMETERS
3. AIR PRESSURE ADJUSTMENT RANGE (0.5 ~ 30) KPA
4. EXTERNAL SIZE: 500mm X 500mm X 500mm (L X W X H)
5. WEIGHT OF THE INSTRUMENT: 40 KG
6. POWER SUPPLY: AC220V, 50HZ,SCOPE OF SUPPLY: 1. ONE MAIN MACHINE; 2. TWO PTFE GASKETS; 3. TWO ORDINARY WASHERS; 4. ONE METAL BLOCKING NET; 5. A SET OF SPECIAL LOCKING TOOLS; 6. ONE HIGH-QUALITY SILENT AIR PUMP, [NOTE: SAFETY PRODUCTION LICENSE IS NOT INCLUDED]. 7. EQUIPPED WITH PRINTER INTERFACE; 8. ONE SAMPLE TEMPLATE; 9. ONE PRODUCT CERTIFICATE; 10. ONE COPY OF PRODUCT OPERATION MANUAL.
OPERATION INSTRUCTION:
INSERT THE AIR PUMP OUTPUT PIPE INTO THE OIL AND WATER SEPARATOR OF THE INSTRUMENT AS REQUIRED (PRESSURE 0.1-0.3MPA).
AFTER SWITCHING ON THE POWER, THE STARTUP INTERFACE (NAME OF THE DEVICE) IS DISPLAYED.
PRESS THE "ENTER" BUTTON TO ENTER THE TEST INTERFACE, AS SHOWN IN THE FOLLOWING FIGURE:
CLICK "SETTING” BUTTON, GET INTO PARAMETER SETTING SCREEN, AS BELOW THIS SCREEN CAN SET THE SYSTEM TIME, DATE AND TESTING TIME, AFTER SETTING, CLICK "SAVE” BUTTON TO KEEP THE SETTING DATA. (NOTE: IT REQUIRES 5 MINUTES IN THE STANDARD)
QUANTITY: 1
Learn More - T-6552 MASK AIR TIGHTNESS TESTER
REFERENCE NUMBER: T-6552
MASK AIR TIGHTNESS TESTER
MASK AIR TIGHTNESS TESTER
HOW TO CHOOSE A HIGH-QUALITY MASK NOT ONLY DEPENDS ON THE FILTERING EFFICIENCY OF THEMASK, BUT ALSO TO CONFIRM WHETHER THE MASK IS COMPLETELY IN CONTACT WITH THE FACE, OTHERWISE AEROSOL PARTICLES SUCH AS GERMS THAT HAVE NOT BEEN FILTERED BY THE MASK WILL BE INHALED FROM THE INADEQUATE ADHESION. THEREFORE, IT IS VERY IMPORTANT TO CHECK THE WEARING STATUS OF THE MASK. THE EUROPEAN AND AMERICAN COUNTRIES HAVE LISTED THE APPLICATION TEST OF THE MASK AS A STRONG INSPECTION ITEM.
FOR EXAMPLE, THE N95 MASK IS ONE OF 9 TYPES OF PARTICULATE PROTECTIVE MASKS CERTIFIED BY NIOSH (NATIONAL INSTITUTE OF OCCUPATIONAL SAFETY AND HEALTH). "N" INDICATES OIL RESISTANCE."95" INDICATES THAT THE PARTICLE CONCENTRATION IN THE MASK IS MORE THAN 95% LOWER THAN THAT OF THE PARTICLES OUTSIDE THE MASK WHEN EXPOSED TO THE SPECIFIED NUMBER OF SPECIAL TEST PARTICLES. N95 IS NOT A SPECIFIC PRODUCT NAME, AS LONG AS IT MEETS THE N95 STANDARD AND PASSES THE NIOSH REVIEW, IT CAN BE CALLED "N95 MASK".
N95 TYPE MASKS, IN ADDITION TO THE FILTERING EFFICIENCY OF THE MASKS, THE CLOSENESS OF THE MASKS TO THE FACE IS ONE OF THE IMPORTANT FACTORS THAT DETERMINE THE EFFECTIVENESS OF THE USE OF THE MASKS. THE SUITABILITY OF DIFFERENT TYPES OF MASKS FOR THE HUMAN FACE VARIES GREATLY.
THEREFORE, BEFORE USING A MASK, THE SUITABILITY OF THE MASK SHOULD BE CHECKED FIRST. DURING THETIGHTNESS TEST OF THE WEARER'S FACE, ENSURE THAT AIR CAN PASS IN AND OUT THROUGH THE MASK WHEN IT IS CLOSE TO THE EDGE OF THE FACE. THE MASK TIGHTNESS TESTER CAN QUICKLY COMPLETE THE TIGHTNESS TEST OF RESPIRATORS SUCH AS MASKS TO ENSURE THAT IT PROVIDES GOOD PROTECTION PERFORMANCE. IT CONFORMS TO THE CHINESE RESPIRATOR STANDARD GB2626-2019 STANDARD, OSHA / CSA STANDARD AND CHINA GENERAL ADMINISTRATION OF QUALITY SUPERVISION, INSPECTION AND QUARANTINE "GB 19083-2010 TECHNICAL REQUIREMENTS FOR MEDICAL PROTECTIVE MASKS" JOINTLY ISSUED BY THE CHINA NATIONAL STANDARDIZATION ADMINISTRATION COMMITTEE.
ADHESION (SUITABILITY TEST): THE MASK DESIGN SHOULD PROVIDE GOOD ADHESION. THE OVERALL FIT FACTOR OF THE MASK SHOULD NOT BE LESS THAN 100. THIS TEST THE REQUIREMENTS WERE FORMALLY IMPLEMENTED ON AUGUST 1, 2011.
MASK TIGHTNESS TESTER USES CNC TECHNOLOGY, SUITABLE FOR 100 / 99 / P3 / HEPASERIES MASKS DISPOSABLE FILTER MASK TIGHTNESS TEST (INCLUDING DISPOSABLE DUST MASKS SUCH ASN95 / N90 / KN95), GAS MASKS / BREATHING MASKS, ADHESIVENESS TEST OF HALF-MASK AND FULL FACE MASK, INDEPENDENT OR COMPUTER CONTROL, FIVE LANGUAGES SWITCH DISPLAY, EQUIPPED WITH MULTIPLE COMMUNICATION INTERFACES (USB, ETHERNET), WIFI CAN ALSO BE ENABLED, ONE COMPUTERCAN CONTROL FOUR INSTRUMENTS AT THE SAME TIME.PARAMETER:CONCENTRATION RANGE: 0 ~ 100,000 / CM3GRAIN DIAMETER: 0.02 ~ 1.0^MFLOW: SAMPLING FLOW: 100CM3 / MINTOTAL FLOW: 700CM3 / MINCLOSENESS COEFFICIENT TEST: DIRECT TEST (COUT/ CIN)LIQUOR: 99.5% + ISOPROPANOL (ANALYTICAL GRADE)DISPLAY: 7INCH TRUE COLOR TOUCH SCREENCOMMUNICATION INTERFACE: USB X 3 (HOST X 2,DEVICE X 1) ETHERNET INTERFACE X1CONNECTION PORT: ENVIRONMENT PORT, SAMPLING PORTWIFI: EQUIPPEDLANGUAGES: ENGLISH, FRENCH, SPANISH, PORTUGUESE, CHINESEFLOW CONTROL: SENSOR CONTROLPC CONTROLLABLE OPERATION: ONE COMPUTER CAN CONTROL 4 INSTRUMENTS AT THE SAME TIMEDATA OUTPUT FORMAT: MICROSOFT EXCELWORKING TEMPERATURE: 15 ~ 35 °CPOWER SOURCE: AC 110 —240V 50 / 60HZAPPEARANCE SIZE: 208 X 117 X 262MMWEIGHT: 2.1KGACCESSORIES: ALCOHOL REAGENT BOTTLE, PROTECTIVE CAP, REAGENT STICK, ZERO-COUNT FILTER, STRAINER, SAMPLING TUBE, INSTRUCTION MANUAL, AC ADAPTER, TOUCH SCREEN PEN, OPTIONAL COMPUTER.OPTIONAL: TEST KIT FOR TIGHTNESS COEFFICIENTIN ORDER TO PREVENT INFECTION AT THE MEDICAL SITE AND DURING LABOR WORK, WORKERS MUST BE PROTECTED FROM INHALABLE HAZARDOUS SUBSTANCES IN THE WORKPLACE, AND RESPIRATORS SUCH AS MASKS MUST BE WORN DURING WORK.SELECT A RESPIRATOR, SUCH AS A MASK, BASED ON YOUR FACIAL FEATURES, AND EVALUATE THE TIGHTNESS BETWEEN THE RESPIRATOR, SUCH AS A MASK AND THE FACE, TO CHECK WHETHER THERE ARE GAPS OR LEAKS THAT PUT WORKERS AT RISK. THE MASK TIGHTNESS TESTER CAN QUICKLY COMPLETE THE TIGHTNESS TEST OF RESPIRATORS SUCH AS MASKS TO ENSURE THAT IT PROVIDES GOOD PROTECTIVE PERFORMANCE. SECURITY EXPERTS WILL ALSO DEVELOP PROTECTION SCHEMES AND STANDARD REGULATIONS BASED ON THE RESULTS OF THE TIGHTNESS TEST. WIDELY USED IN HOSPITALS, MANUFACTURING PLANTS, PRODUCTION SITES, FIREFIGHTING WORKPLACES AND OTHER OFFICIAL TESTING AGENCIES.MASK TIGHTNESS TESTER FEATURES:• QUANTITATIVE TIGHTNESS TEST FOR RESPIRATORS SUCH AS MASKS (QNFT)• APPLICABLE TO 100/99 / P3 / HEPA SERIES MASK DISPOSABLE FILTER MASK TIGHTNESS TEST (INCLUDING N95 / N90 / KN95 AND OTHER DISPOSABLE DUST MASKS)• ADHESION TEST OF HALF MASK AND FULL FACE MASK• GAS MASK TIGHTNESS TEST• PAPR MASK TIGHTNESS TEST• SCBA RESPIRATOR MASK TIGHTNESS TEST• 7INCH TRUE COLOR TOUCH SCREEN• INDEPENDENT OR COMPUTER CONTROLLED• USING CNC TECHNOLOGY• ENGLISH, FRENCH, SPANISH, PORTUGUESE, CHINESE LANGUAGE SWITCHING DISPLAY• COMPLIES WITH US OSHA STANDARDS, CANADIAN STANDARDS ASSOCIATION (CSA) GUIDELINES, INCLUDING N95• EQUIPPED WITH A VARIETY OF COMMUNICATION INTERFACES (USB, ETHERNET), AND CAN ALSO ENABLE WIFI• ONE COMPUTER CAN CONTROL FOUR INSTRUMENTS AT THE SAME TIMEQUANTITY: 1 - L-7129 NONWOVEN SMS PRODUCTION LINE, 1600mm, SPUNBONDED, MELT BLOWN
PP CHIPS FOR MELTBLOWN: 1200 TO 2000
FABRIC WIDTH: 1600mm
2 SPINNING BEAMS FOR SPUNBOND & 1 FOR MELTBLOWN
BASIC WEIGHT: SMS 9 TO 80 GRAMS PER SQUARE METER
SS: 15 TO 100 GRAMS PER SQUARE METERPRODUCT:
SMS LAMINATED NONWOVEN FABRIC
SS SPUNBOND NONWOVEN FABRIC SS
M MELTBLOWN NONWOVEN FABRIC MTO MAKE HYGENIC FABRICS SUCH AS BABY DIAPERS, SANITARY NAPKINS, ADULT DIAPERS, MEDICAL OPERATION SUITS, OPERATION CAPS, OPERATIONS SHOES, MASKS, ETC.
CONSISTING OF:
3 X FEEDING SYSTEMS
AUTOMATIC VACUUM SUCTION FOR BOTH MAIN MATERIAL AND ADDITIVES
CAPACITY (SB + MB) 2 X 520 KGS/H, (SB) 2 X 200 KGS/HR
WITH THREE HOPPERS, THREE SUPPLIYING DEVICESSPUNBOND SYSTEM
2 X EXTRUDERS
DIAMETER: 150mm
CAPACITY: 450 KGS/HR
L/D 30:1
DRIVE POWER: 110 KW
HEATING POWER: 90 KW2 X RECYCLING SYSTEMS
DIAMETER: 105mm
CAPACITY: 100 KGS PER HOUR
L/D: 15:12 X MELT FILTERS
WORKING TEMPERATURE: UP TO 280 CELSIUS
FILTRATION CAPACITY: 520 KGS PER HOUR2 X METERING PUMPS
TYPE: GEAR PUMP
FLOW VOLUME: 250 ML/R
DESIGNING TEMPERATURE: 280 CELSIUS2 X MELT PIPELINES
WITH STATIC MIXER2 X MONOMER EXHAUSTER
INCLUDING BLOWER, CHILLER, PIPELINE, VALVE, INSULATION, ETC2 X SPINNING BEAMS
SINGLE COAT-HANGER MELT DISTRIBUTION
DESIGNING PRESSURE: 9MPA
WORKING TEMPERATURE: MAX 280 CELSIUS4 X SPINNERETS
HOLE DIAMETER: 0.45mm
L/D: 5:1
15,500 HOLESMELTBLOWN SYSTEM
1 X EXTRUDER
DIAMETER 120mm
CAPACITY: 280 KGS/HR
L/D: 30:1
DRIVE POWER: 75 KW
HEATING POWER: 80 KW1 X MELT FILTER
FILTRATION PRECISION: 20 TO 60 MICROMETERS
FILTRATION: 280 KGS PER HOUR1 X METERING PUMP
GEAR PUMP
MAX. FLOW VOLUME: 100ML/R
DESIGNED TEMPERATURE: 300 CELSIUS1 X MELT PIPELINE
WITH STATIC MIXER1 X SPINNING BEAM
INCLUDING STRETCHING CHANNEL, NOZZLE, ETC. WITH INSULATION MATERIAL
DESIGNED PRESSURE: 6 MPA2 X SPINNING DIE PACKS
COMPACT DIE PACKS
HOLE DIAMETER: 0.35mm
L/D: 12:1
# OF HOLES: 42HPI1 X SCREW BLOWER
INCLUDING MUFFLE, PRESSURE REDUCER VALVE, PIPELINE, ETC.
POWER: 200 KW1 X HOT AIR SYSTEM
FLOW VOLUME: 6000 CUBIC METERS PER HOUR
WORKING TEMP: MAX 350 CELSIUS
INCLUDING HEATER, STAINLESS STEEL PIPELINE, ETC.
POWER: 290 KW1 X OFF-LINE CONVEYOR
RANGE OF SPEED: 5 TO 100 METERS PER MINUTE1 X CONVEYOR
MECHANICAL SPEED: MAX 400 METERS PER MINUTE
BELT WIDTH AND PENETRATION
3800±10mm, 10000 CUBIC METERS PER H.M21 X CALENDAR
DOUBLE ROLLS HEATED BY OIL
PROCESS SPEED: 350 METERS PER MINUTE
EMBOSSING WIDTH: UP TO 2000mm
MAX LINEAR PRESSURE: 110 DAN/C
MAX. TEMP OF EMBOSSING ROLLER, 180 CELSIUS1 X WINDER
ONLINE CHANGING ROLL, ONLINE EDGE CUTTING, TENSION CONTROL
MAX. LINEAR SPEED: 350 METERS PER MINUTE
WIDTH: 1600mm
WIND DIAMETER: MAX 1500mm1 X SLITTER
MAX. LINE SPEED: 600 METERS PER MINUTE
MAX. WIND DIAMETER: 1200mm
MIN. SLITTING WIDE: 120mm
22 CIRCULAR BLADES1 X STEEL PLATFORM
1 X ELECTRICAL CONTROL SYSTEM
2 X OIL OVEN
1 X AIR CONDITIONING SYSTEM
1 X WATER COOLING SYSTEM
1 X CLEANING EQUIPMENTS FOR DIE PACK
1 X AUXILIARY PLATFORM
1 X AUXILIARY EQUIPMENTS
1 X LABORATORY TESTING DEVICE
Learn More - H-2413 RIB CIRCULAR KNITTING MACHINE 5”
CYLINDER DIAMETER: 5”
NO. OF FEEDERS: 10
130 NEEDLESGOLDEN ROC NEEDLE
DIAL 43.50 NEEDLE 2 TYPES
CYLINDER 122.48
NEEDLE 2 TYPES
NEEDLE DETECTOR: 6 PCS
DIGITAL CONTROL PANEL
CAM: 1 SET (MADE OF ALLOY STEEL, JAPAN)
CYLINDER 2 TRACKS, DIAL 2 TRACKS
TOTAL CAMS: 40 PCS
PNEUMATIC OIL LUBRICATOR
SMG POSITIVE STORAGE FEEDER
YARN FEEDING TOOTHED BELT
CYLINDER (MADE OF ALLOY STEEL, JAPAN)
INVERTER
LYCRA FEEDER
MOTOR
CREEL HOLDERS
FABRIC ROLLING MACHINESPARE PARTS:
CAM × 1 PC/TYPE
TOOLBOX (WITH TOOLS INSIDE) × 1 PC
NEEDLE DETECTOR × 2 PCS
NEEDLE × 100 PCS
YARN CARRIER × 2 PCS
POSITIVE STORAGE FEEDER × 2 PCSSHIPPING DIMENSIONS (WOODEN CASE): LENGTH 1600mm, WIDTH 1100mm, HEIGHT 2200mm 3.87 CBM
GROSS WEIGHT: 550 KGSQUANTITY: 1
Learn More - T-6335 RESPIRATORY PROTECTIVE EQUIPMENT & SELF-IMBIBITION FILTER ANTI-PARTICULATE RESPIRATOR TESTING INSTRUMENTS
ITEM 001
FIITRATION EFFICIENCY N CLASS SODIUM CHLORIDE PARTICLES, P CLASS OIL PARTICLES
PARTICLE RATE EFFICIENCY TESTERITEM 002
RESPIRATOR RESISTANCE TESTERITEM 003
BREATHING VALVE TIGHTNESS TESTERITEM 004
AXIAL TENSION TESTER FOR BREATHING BONNETITEM 005
AXIAL TENSION TESTER FOR BREATHING BONNETITEM 006
MASK FIELD TESTERITEM 007
HEADBAND TENSILE TESTING MACHINEITEM 008
JOINT PARTS&AXIAL TENSILE TESTING MACHINEITEM 009
MASK FLAME RETARDANT PERFORMANCE TESTERITEM 010
TEMPERATURE PRETREATMENT CONSTANT TEMPERATURE AND HUMIDITY CHAMBEREMAIL US FOR PRICE & PICTURES
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INCLUDE OUR REFERENCE NUMBER - How To Choose an N95 Respirator Mask For Coronavirus Prevention? All You Need to Know Before Buying Face Masks
How To Choose an N95 Respirator Mask For Coronavirus Prevention? All You Need to Know Before Buying Face Masks.
1. What’s an N95 mask?
An N95 respirator is a respiratory protective face mask, designed to help reduce the user’s exposure to airborne particles including very small particles (0.3 microns) and large droplets. N95 respirator face mask literally has a filtration efficiency of at least 95% against non-oily particles.
2. Differences between N95 mask and surgical mask?
Generally, the N95mask also includes an N95 surgical mask. So, here we will just compare a standard N95 particulate mask with a disposable surgical mask. Surgical masks are designed to be worn by healthcare professionals during surgery and nursing, to help prevent contamination of the surgical field or the patient by capturing liquid droplets that are expelled by the user.
An N95 particulate mask blocks at least 95 percent of very small (0.3 microns) test particles, and while a disposable surgical mask is fluid-resistant and protects the user against large particles (5 microns), droplets, sprays or splatter.
Different from a loose-fitting, disposable surgical mask, an N5 mask is tight-fitting to achieve a very close facial fit, which guarantees a minimal leakage around the edges of the mask when the user inhales. If properly fitted, the filtration capabilities of N95 respirators exceed those of disposable surgical face masks.Speaking of the N95 mask price and disposable surgical mask price, the N95 respirator mask is pricier than a surgical mask. In contrast, the N95 mask is reusable but the common surgical mask is disposable. Strictly speaking, N95 respirator masks should be worn for a maximum of eight hours while the disposable surgical mask is recommended to be replaced every four hours.
However, during the novel coronavirus outbreak, face masks are in short supply and everyone discards one or two face masks every day. A surgical mask could be used for a whole day in a good condition of no damage, no moisture, and no deformation. According to some researches, the N95 respirator mask used for two days still maintains a filtration efficiency of at least 95%, while the filtration efficiency of an N95 respirator used for three days reduced to 94.7%. So, if an N95 respirator is in good maintenance, you can wear it for at least 2 days, a week, maybe even a month.
3. Types of N95 mask
Generally, according to their intended use, the types of N95 masks include the standard N95 particulate respirators and N95 surgical respirator masks. Additionally, there are N95 masks with a breathing valve or not.
1) Differences between standard N95 particulate respirator and N95 surgical mask:
How to differentiate standard N95 particulate-filtering respirators and N95 surgical masks? The N95 surgical mask is literally a combination of N95 respirator and surgical mask, it is both certificated by NIOSH as an N95 respirator and also cleared by the FDA as a surgical mask. N95 surgical respirator masks are also referred to as medical respirators, healthcare respirators, or surgical N95s.
The significant difference between a standard N95 particulate respirator and an N95 surgical mask is that the N95 surgical mask is fluid-resistant while the standard N95 particulate respirator is not.
An N95 particulate respirator, also called N95 dust mask or N95 pollution mask, helps reduce very small particles inhaled by the user, and it is used for respiratory protection when the user might be exposed to particulate hazards. With a fluid resistance plus, an N95 surgical mask help reduce particles both inhaled and exhaled by the user, it is designed to be used during surgery and nursing tasks, whatever the user requires respiratory protection, expelled particulates or requires fluid resistance.
2) Differences between N95 masks with a breathing valve or not:
Many people question: Is an N95 mask with an exhalation valve better than the one without a valve?
In fact, the N95 respirators with an exhalation valve are not recommended to be used for coronavirus prevention, because the valve is a one-way vent that couldn’t keep your exhalation to yourself. It means that this valved N95 mask makes your breathing out easier and helps reduce heat build-up to avoid fogging up your glasses, however, it’s not that friendly to others.
Besides, the N95 mask with the valve is pricier than the one without a valve.4. What are the differences between N95, KN95, FFP2, and KF94?
When you search for the N95 respirators, there are many respirators such as KN95, FFP2, and KF94 that appeared in the same breath. What’s different between these respirators of different letters?
Actually, both the N95, KN95, FFP2 and KF94 respirators have almost the same filtration efficiency, it means that KN95, FFP2, and KF94 are as effective as the N95 respirator mask. The main difference between these respirators is that they are tested by different nations.
The N95 mask has a full name of NIOSH-certified N95 respirator, which means these respirators are tested of 95% filtration and certified by the U.S. National Institute of Occupational Safety and Health (NIOSH). The KN95 respirator is a particulate-filtering mask tested using the China criteria. The FFP2 is a filtering facepiece score of 94% filter capacity approved by Europe, and the KF94 is tested by Korea criteria.
To simply put, we could put these respirators into an equation as below:
N100 (99.97%) = FFP3 (99.95%) > N95 (95%) = KN95 (95%) = FFP2 (94%) = KF94 (94%) > KN90 (90%).
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Anti Virus Flu Mask Meets FFP2 N95 KN95 KF94 Guidance - L-7121 MASK PROTECTIVE EFFECT TESTING MACHINE -STANDARDS COMPLIANCE: GB/T 32610-2016
FOR TESTING THE EFFECTIVENESS OF DAILY PROTECTIVE MASKS
COLD GENERATED AEROSOL GENERATOR
PM2.5 SENSOR TO MEASURE AEROSOL CONCENTRATION
WITH SALT PARTICULATE AEROSOL GENERATOR AND OIL PARTICULATE GENERATOR
ELECTROSTATIC NEUTRALIZATION
EQUIPPED WITH TEMPERATURE AND HUMIDITY SENSORS, REAL-TIME DISPLAY OF AMBIENT TEMP
LASER DUST PARTICLE COUNTER
GAS SAMPLING FLOW: 1 TO 2 LITERS PER MINUTE
SAMPLING FREQUENCY: 20 TIMES PER MINUTE
RESPIRATORY SIMULATOR AND BREATHING SIMULATOR
POWER SUPPLY: 220 VOLTS, 50 OR 60 Hz (AS PER CUSTOMER)QUANTITY: 1
Learn More - HPFJ-1111 POLYMAT FOR UPHOLSTERY, MATTRESS TOPPERS, MATS AND SEAT CUSHIONS
• Air permeable
The mesh openings on two sides and the porous structure allow free air flow and vapor emission from all six sides, effectively inhibiting the growth of molds, bacteria and mites and thus preventing skin itches.• Stress-relieving and body-fitting
The hardness is moderate to reduce the body stress so that human body can fully relax without feeling any compression, avoiding blocking blood flow. There are 40 supporting points per square centimeter, providing meticulous support and fitting the material to the natural curve of human body.• Easy-to-wash and fast-dry
The material is made from functional fiber, which neither absorbs moisture nor easily reacts chemically with oil and dirt. Water stays no more than one second on the material, while sweat, dirt, and dust can be washed away easily. Therefore, the surface can be cleaned with minimum effort, preventing the growth of mites and bacteria.• Eco-friendly and non-toxic
The pure fabric can be fully recycled upon disposal. The combustion products of sponge are cyanides, which are highly toxic; on the contrary, the products of complete combustion of 3D spacer material are water and carbon dioxide, which are non-toxic and totally safe.• Rollable and portable.
With superior rollability, it can be easily carried into and out of an elevator, taken to outdoor activities, or stores easily when the seasons change.
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CONSTRUCTED OF 100% POLYESTER
FEATURES: AIR-PERMEABLE, WATER-PERMEABLE, ECO-FRIENDLY, NON-TOXIC, 100% RECYCLED, ANTI-STATIC, ANTI-MITE, ELASTIC, FLAME-RETARDANT, ETC.
NET “X” STRUCTURE
FOR UPHOLSTERY, MATTRESS TOPPERS, MATS, SEAT CUSHIONS, ETC.
NO# NAME LENGTH x WIDTH DIMENSIONS APPROX. INCHES THICKNESS
1 CUSHION 450x450mm 17.7 x 17.7 8 INCHES
2 BABY BED 600x1200mm 23.6 x 47.2 8 INCHES
3 STUDENT BED 1000x2000mm 39.3 x 78.7 8 INCHES
4 1.2 METER BED 1200x2000mm 47.2 x 78.7 8 INCHES
5 1.5 METER BED 1500x2000mm 59 x 78.7 8 INCHES
6 1.8 METER BED 1800x2000mm 70.8 x 78.7 8 INCHES
7 QUEEN BED 1524 x 2032mm 60 x 80 8 INCHES - T-6391 GUILLOTINE CUTTING MACHINE FOR NON-WOVEN, WIDTH 2400mm, YEAR 1997 TO 1998
KNEE LEVER SCISSORS
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MAKE MOHR / FLEISSNER
CUTTING WIDTH: 2400mm
YEAR 1997 - EXCHANGE THE WHOLE CUTTING BARK AND BACKING KNIFES
YEAR 1998 - HYDRAULIC UNIT COMPLETELY NEW
YEAR 1998 - KNIFE BAR SYSTEM AND LOWER KNIFE COMPLETELY NEW
KNIFE BAR HAS TWO-SIDED HOLD DOWN WITH KNIFE GUIDE, KNIFE AND LOWER KNIFE AS NEW
HYDRAULIC CYLINDER SEAL KIT - NEW
HYDRAULIC OIL - NEW
MACHINE IS IN GOOD CONDITION
BLADE IS IN GOOD CONDITION
WE ARE CUTTING WOOL FLEECE UP TO 4000 GR/M² WITHOUT ANY PROBLEMS
POWER: 400 V, 50 HZ, 8.0 KW
SPACE REQUIREMENTS: L: 4250mm X B 1900mm X H 2600mm
THIS MACHINE IS AVAILABLE IMMEDIATELY