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  4. Non-Reactive Specially Developed Polyamide Resin : S-638

Non-Reactive Specially Developed Polyamide Resin S-638

Material1 Material2
Technical Specification
1. Description Non-Reactive Polyamide Resin specially developed to pass Freeze - Thaw test procedures at 4 °C
2. Product Code S-638
Specifications :
.
  1. Appearence
  2. Acid Value {mgs KOH}/gm
  3. Amine Value {mgs KOH}/gm
  4. Softening Point (B&R)

  5. Viscosity in 35% solution @ 25 °C , Brookfield spindle # 3,50 rpm, cps
    1. In N - Propanol
    2. In Co-solvent Blend A
    3. In Alcohol Solvent Blend B

  6. Molten Viscosity at 160 °C , Brookfield spindle # 4,10 rpm, cps
  7. Colour Gardner (Viscosity Solution)

  8. Freeze-Thaw Test for 24 hours @ 4 °C
    1. Co-solvent Blend A
    2. Alcohol Solvent Blend B

  9. Spirit Tolerance of Alcohol Solvent Blend B
  1. Golden Yellow Granules
  2. ≤ 7
  3. ≤ 7
  4. 117



  5. 100
  6. 50
  7. 100

  8. 850

  9. 10


  10. Not Gel
  11. Gel

  12. 1:24
FREEZE - THAW Solutions :
1. Co-Solvent Blend A 2. Alcohol Solvent Blend B
Sanvamide 638 35.0 Sanvamide 638 35.0
N-Propnol 34.0 N-Propnol 34.0
N-Hexane 30.0 Iso-Propnol Alcohol 30.0
Water 1.0 Water 1.0
Total 100.0 Total 100.0
3. Solubility Sanvamide 638 is soluble in Ethanol, Isopropanol,N-Propanol, mixture of Alcohols with Aliphatic and / or Aromatic Hydrocarbons & mixture of Alcohols & Ethyl Acetate.
4. Characteristics Sanvamide 638 has good Ethanol Solubility, high Ehanol Reducibility & good compatibility with Nitrocellulose. Sanvamide 638 provides an optimum balance of solvent release & very good Gel Resistance & is compatible with modifiers commonly used in Alcohol based inks. It also is stabilized with unique antioxidant system which provides good resistance to pigment/ink film degradation.
5. Applications Sanvamide 638 finds applications in manufacture of Flexograhic printing inks.
Warranty
The information given in the sheet is correct to the best of our knowledge. In view of conditions of use being totally beyond our control, customers should evaluate the data and make their own tests to determine the suitability of our product for their special use. All our products are sold without warranty, express or implied, and no liability can be accepted in respect of information and products.