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PVDC latex grades
General properties and applications

Grade Solids
(%)
JIS K-6381
pH
JIS Z-8802
Viscosity
(mPa·s)
JIS K-6381
Surface
tension (mN/m)
Minimum
film-forming
temperature
(°C)
Electric
charge
Application
L817B 51 2 15 41 14 Anion Film coatings
L818C 60 3 40 48 14 Anion Blister pack
L820A 51 2 10 43 14 Anion Film coatings
L904A 48 2 9 37 12 Anion Urethane foam
L905A 50 3 9 38 14 Anion Binder for PVDC
Note:
  • All values are typical laboratory averages obtained using the specified test methods, and not product specifications.
  • Not all grades are compliant with relevant regulations in all countries and regions.
Properties of film-coating grades
Results shown for coated film after aging for 2 days at 40°C.

Grade Permeability *1)
(Coating weight:2.5g/㎡)
Printability Key
Characteristic
Oxygen
(cc/㎡/0.1MPa・24hr)
at 23℃,dry
Water vapor
(g/㎡・24hr)
at 38℃
100%RH
Kind of ink
Before
boiling 
 After
boiling
nitro-
cellulose
(NC)
NC+
poly-
amide
poly-
urethane
L817B 8 15 8 Super Barrier
L820A 9 20 10 Super Barrier
 Remarks: ◎:Excellent、○:Good、△:Fair、×:Poor
<Conditions of hand coating>
1.Base film : PET 12µm
2.Primer
 Primer Formulation : Takelac A-310/Takenate A-3/Ethyl Acetate = 11/2/52(wt%)
 Coating weight (target) : 0.3g/㎡dry
 Drying condition : 80℃×15sec
3.Latex
 Additive : Sylysia350 (Fuji Sylysia Chemical LTD. ; solid=100%) 0.2parts/latex solid
 Latex solid : 43%           Drying condition : 120℃×10sec.
 Coating weight (target) : 2.5g/㎡dry
 Aging condition : 35℃×72hr
<Conditions of boiling>
・Temperature : 95-100℃
・Time : 30min.
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