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Added security, wide variations.
Chemical cartridge respirators are designed to remove toxic gas / vapor, which could lead to health disorders. The bonnet-style facepiece enclosure holds exhalation valve in a space between silicone facepiece body and front plastic housing. This consistently allows exhaled air to fill this space in between and it acts as a barrier to shut off possible inward leakage of toxic mist and atmosphere through the valve operation.
Type of chemical cartridge respirators and cartridge varies depending on the type of gas and its concentration level in the environment.

  Link:
  Harmful Effect of Toxic Gas
  Special Notices in Handling Chemical Cartridge Respirators/Gas Masks
  Chemical Cartridge Selections and Service Life
  Service Life of Chemical Cartridges
  Relative Breakthrough Ratio of various organic solvents in comparison with cyclohexane
Chemical cartridge respirators can be used in the environment where toxic gas concentration level is less than 0.1%. Average gas concentration level for full-face chemical cartridge respirators must be less than 100 times (for half-face chemical cartridge respirators, it must be less than 10 times) of the exposure limit. If the duration of work per day is less than 30 minutes, average gas concentration level for full-face chemical cartridge respirators must be less than 300 times (for half-face chemical cartridge respirators, it must be less than 30 times) of the exposure limit.
 
  Respirators with the use of light-weight cartridges for enhanced workability
 
Light-weight chemical cartridge respirator for spray painting, etc with a built-in fit checker.
 
Light-weight double cartridge respirator for spray painting, etc
featuring doubled service life and easier breathing
Weight
(facepiece only)
100g or less
Cartridges (option) KGC-10 series, KGC-10L,KGC-10MC and KGC-10LMC
Headband Type RB
 
Weight
(facepiece only)
133g or less
Cartridges (option) KGC10series,KGC10L,
KGC-10MC and KGC-10LMC
(2pcs required)
Headband Type RB
Replacement Parts
Inhalation Valve
Oval ShapeType03
Exhalation Valve
Type T-7K
Sponge
Type A
Disposable
 
Replacement Parts
Inhalation Valve
Round Shape
Exhalation Valve
Type T-6K
Sponge
Egg Shape
Disposable
User Instruction : Model G-7 (PDF:309KB) User Instruction : Model G-7 User Instruction : Model GW-7 (PDF:517KB) User Instruction : Model GW-7
 
  Chemical cartridges for the use with chemical cartridge respirators
 
Compact, light-weight cartridge with long service life  
Compact, light-weight and easy-to-use cartridge
 
KGC-10L(C) with pre-filter.
National Assay Approval Number TN267
Service Life 200 minutes or more
Air Flow Resistance 110Pa or less
Weight 67g or less
 
KGC-10(C) with pre-filter.
National Assay Approval Number TN366
Service Life 100 minutes or more
Air Flow Resistance 100Pa or less
Weight 44g or less
 
   
Compact, light-weight cartridge with a built-in recycled particulate filter        
   
Bypro-Micron Particulate Filter pre-installed (Category: S1)
Service Life 80 minutes or more
Air Flow Resistance 160Pa or less
Weight 46.5g or less
 
Service Life 130 minutes or more
Air Flow Resistance 125Pa or less
Weight 53g or less
 
Service Life 100 minutes or more
Air Flow Resistance 125Pa or less
Weight 50g or less
 
  Paint Spray Mist Filtering Efficiency and Air Flow Resistance
  Filtering Efficiency  : Initial: 99.996%
Least Filtering Efficiency: 99.993%
  Filtering Efficiency  :  Initial: 99.992%
Least Filtering Efficiency: 99.989%

The diagrams are examples of testing data and are NOT guaranteed performance level at the actual working environment.

 
  Respirators for the use with a wide selection of cartridges.
  Organic vapor cartridges are available in 3 types depending on required service life.
 
Basic model with facepiece featuring free-position under-chin structure, etc with a built-in fit checker.
 
Double cartridge respirator with added service life and easier breathing
Weight
(facepiece only)
137g or less
Cartridges (option) KGC-1 series, KGC-5MC
Headband Type RB
 
Weight
(facepiece only)
174g or less
Cartridges (option) KGC-1 series, KGC-5MC
(2pcs required)
Headband Type XRB
Replacement Parts
Inhalation Valve
Square Shape
Exhalation Valve
Type T-6K
Sponge
Type A
Disposable
 
Replacement Parts
Inhalation Valve
Round Shape
Exhalation Valve
Type T-6K
Sponge
Egg Shape
Disposable
User Instruction : Model R-5 (PDF:168KB) User Instruction : Model R-5 User Instruction : Model RR-7 (PDF:540KB) User Instruction : Model RR-7
 
  Chemical cartridges for the use with chemical cartridge respirators
   
   
Paint spray chipper installed
KGC-1L(C) with pre-filter
National Assay Approval Number TN37 (Category S1)
KGC-1S(C) with pre-filter
National Assay Approval Number TN39 (Category S1)
Service Life 200 minutes or more
Air Flow Resistance 83Pa or less
Weight 63g or less
 
Service Life 260 minutes or more
Air Flow Resistance 115Pa or less
Weight 68g or less
 
Service Life 85 minutes or more
Air Flow Resistance 74Pa or less
Weight 41.5g or less
 
 
   
KGC-1 inorganic gas cartridge series
(Halogen gas, acid gas, ammonia, sulfur dioxide and hydrogen sulfide)
 
Bypro-Micron Particulate
Filter pre-installed
(Category: S1)
Service Life 85 minutes or more
Air Flow Resistance 160Pa or less
Weight 47g or less
  With the use of Mighty Micron Pre-Filter for KGC-1L, 1S, the cartridges can be used as chemical cartridges with particulate filtering feature (category S1).
(Pre-Filter Retainer for KGC-1L, 1S is required for installation).
 
 
Important notice in handling newly-introduced Model R-5
Please be sure to use Ring Type A to install cartridge onto new Model R-5. Ring Type II, a component used with the old Model R-5, cannot be used with the new model. Use Fit Tester Type R to perform fit test on the new Model R-5.

Optional Parts
Fit Tester
Fit testing device to ensure fitness between face and facepiece.
*Use Fit Tester Type R for fit testing on Model R-5 of the latest version.
Use two fit testers for fit testing a double cartridge respirator.
KGC-1 series Fit Tester Type L*
Photo: Fit Tester Type L
KGC-10 series Fit Tester Type U
KGC-5MC, KGC-10MC and KGC-10EOG Fit Tester Type J*
KGC-10L Fit Tester Type T
KGC-70 Fit Tester Type 70
Mighty Micron Pre-Filter
High-performance particulate filter to capture toxic mist generated in urethane painting, etc
for KGC-1L and KGC-1S Mighty Micron Pre-Filter for KGC-1L, 1S
for KGC-10 Mighty Micron Pre-Filter for KGC-10
KGC-10L Mighty Micron Pre-Filter for KGC-10L
KGC-70 Mighty Micron Pre-Filter for KGC-70
Paint Spray Chipper for KGC-1M Paint Spray Chipper for KGC-1M
for KGC-10 Paint Spray Chipper Type P for KGC-10
Pre-Filter Retainer
Retainers of chippers and pre-filters
for KGC-1L and KGC-1S Pre-Filter Retainer for KGC-1L, 1S
for KGC-10 Pre-Filter Retainer for KGC-10
KGC-10L Pre-Filter Retainer for KGC-10L
KGC-70 Pre-Filter Retainer for KGC-70
Sponge Type A Sponge Type A is a sweat-absorbing material to be installed inside the bonnet-style facepiece enclosure. It effectively absorbs water droplets accumulated during the use of the respirator and keeps providing wearer with comfort feeling.

Moisture Guard Type C
(available with Sponge Type C)
 
Pre-filter for toxic gas/particulates co-existing environment
  Photo: Inner structure of Mighty Micron Filter
Pre-filter installed outside of the cartridge
Pre-filter (Mighty Micron Filter) and cartridge can be replaced independently for cost saving.

Built-in pre-filter in the cartridge
Pre-filter and cartridge can be replaced together for easier stock control.
Photo: Paint spray mist captured by pre-filter
Sponge Type C
 
Moisture Guard Type C
 
With the use of Sponge Type C, Moisture Guard Type C is installed on Model G-7(Model G-7-06 with a built-in fit checker) and prevents water droplets from falling. Easy to install, it is a compact structure not interfering visual angle.

#Be sure to use a combination of Moisture Guard Type B and Sponge Type B for previous Model G-7(Model G-7-05 without a built-in fit checker) .
 
 
 


User Instruction : Cartridges
KGC-1 Series KGC-1L(C) Organic Vapor User Instruction : Organic Vapor Cartridge KGC-1L(C)
308KB
 
  KGC-1L(C) Organic Vapor (with filter) User Instruction : Organic Vapor Cartridge KGC-1L(C)(with filter)
110KB
 
  KGC-1L(A) Halogen Gas User Instruction : Halogen Gas Cartridge KGC-1L(A)
107KB
 
  KGC-1L(B) Acid Gas User Instruction : Acid Gas Cartridge KGC-1L(B)
295KB
 
  KGC-1L(H) Ammonia User Instruction : Ammonia Cartridge KGC-1L(H)
103KB
 
  KGC-1L(S) Sulfur Dioxide User Instruction : Sulfur Dioxide Cartridge KGC-1L(S)
95KB
 
  KGC-1L(K) Hydrogen Sulfide User Instruction : Hydrogen Sulfide Cartridge KGC-1L(K)
102KB
 
KGC-10 Series KGC-10(C) Organic Vapor User Instruction : Organic Vapor Cartridge KGC-10(C)
312KB
 
  KGC-10(A) Halogen Gas User Instruction : Halogen Gas Cartridge KGC-10(A)
92KB
 
  KGC-10(B) Acid Gas User Instruction : Acid Gas Cartridge KGC-10(B)
242KB
 
 

KGC-10L(C)

Organic Vapor User Instruction : Organic Vapor Cartridge KGC-10L(C)
105KB
 
  KGC-10MC Organic Vapor User Instruction : Organic Vapor Cartridge KGC-10MC
165KB
 
KGC-5MC Organic Vapor User Instruction : Organic Vapor Cartridge KGC-5MC
198KB
 
Selection of cartridges
Cartridges for use vary depending on the type of gas at the workplace. Make sure to choose appropriate cartridge. Call Koken or local distributor if cartridge for use is uncertain. Use supplied air respirator or SCBA if there exist more than 2 types of gas, or type of gas or gas concentration level at the workplace is unknown.
 
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