PVC Profile Whitening Agent Ob-1

  • Model NO.: CI 393
  • Kind: Optical Brightener
  • Trademark: DEBORN
  • Origin: China
  • Color: Green
  • Appearance: Powder
  • Specification: 98%
  • HS Code: 320420
Chemical Name 2,2'-(1,2-Ethenediyldi-4,1-phenylene)bisbenzoxazole
Molecular Formula       C7H5O4SNa
Molecular Weight         414.4
Structure         

CAS Number    1533-45-5
 
Specification     Appearance:       Yellowish green powder
                    Melting point:        357~361°C
                    Assay:       98%
                    Volatiles Content    0.5%max
                    Ash content:          0.50%max
 
Packing            25 kg / PE drum
 
Applications 
  1. Suitable for polyester fiber (PSF), nylon fiber and chemical fiber whitening.
  2. Applicable to PP, PVC, ABS, PA, PS, PC, PBT plastic whitening brightening, with excellent whitening effect.
  3. Suitable for whitening agent concentrated masterbatch added (such as: LDPE color concentrate)
 
Recommended dosage: every 1000Kg polymer added amount of Optical brightener OB-1:
  1. polyester fiber  75-300g.(75-300ppm)
  2. Rigid PVC ,PP, ABS, Nylon, PC  20-50g.(20-50ppm).
  3. Whitening concentrated masterbatch  5-7kg.(0.5-0.7%).
 
Packing  25 kg / fiber drum



Filter Mesh

filter mesh is made of high quality stainless steel wire under the condition of certain high temperature process, through wire drawing machine drawing to the provisions of the wire diameter, then in constant temperature, clean, clean workshop by knitting machine woven.



Product name:
filter mesh
Material:
201,304,304L,321,316,316L,etc 
Wire diameter:
0.025-1.5mm 
Mesh count:
2--635mesh
Production Technology:
Woven
Application:
Filter and printing
Origin:
China
Weaving type:
Plain weave, Plain dutch weave, Twill dutch weave, Twill weave
filter mesh


Filter Mesh

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CSTAR WIRE MESH ENTERPRISES CO., LTD. ,