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Pre FilterMedium Efficiency FilterHEPA & ULPAModules & HEPA BoxChemical FilterClean Room EquipmentProfessional Service

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pre filter
Medium effeciency
High effeciency
Chemical filter
Modules and HEPA Box
Equipments
Service
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  iconProcess of HEPA/ULPA Production & Test
 
  1.Filter machine anterior process

Filter media on the machine.
 
 
  2.Filter media gluing process

Use hot melting glue replace the traditional aluminum separators.
 
 
  3.Hot Melt

Use low-outgasing EVA base hot melt.
 
 
  4.Filter Pack

Glass Fiber Filter pack forming state
 
 
  5.Sealant

Use low outgasing Polyurethane as sealant.
 
 
  6.HEPA assembly

Picture of fully assembled product.
 
 
  7.Cleaning process

Cleaning after assembly.
 
 
  8.Scan testing

HEPA/ULPA going through full scan test.
 
 
  9.Scan testing process B

High light leakage location.
 
 
  10.Scan testing process C

Scan test to be leak-Free.
 
 
  11.Cleaning

Clean up Filter with IPA before boxing.
 
 
  12.Gasket

To seal Low-outgasing EVA base gasket
 
 
  13.Internal protection process

Use PVC bag shrink wrapped for protection.
 
 
  14.Boxing process

Carton packing.
 
 
  15.Seal & Pack
 
 
  16.Stamping process

Box to be stamped with “test pass”.
 
 
  17.Ready for shipment.
 
  iconQuality Control Flow Chart of Completed Product before Inventory
 
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