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Key words of this product: Coil Coatings Series, HY-C-03 Polyester Coil Coatings Series Composition, Characteristics and Uses: he product series are all colors of Polyester back-coats, being composed of functional resins, curing agents, Pigments, additives and solvents. The product Series have successfully been applied in many large coil coaters, and the under-stream Products can be used in the fields of construction, transportation, home electric appliance, furniture, containers and so on. Technical Specification: 1) Quality Specification
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Item |
Specification |
Test method |
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Solid Content % |
60+-5 |
GB/T1724-79(89) |
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Fineness um |
25 max |
GB/T1723-79(89) |
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Viscosity(Ford cup 4 23C),s |
80-120 |
GB/T1723-93 | 2) Film Performance
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Item |
Specification |
Test method |
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Film appearance |
Smooth and bright ¦¤E<=0.5 |
GB/T9761-88 |
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Film thickness um |
10+-2 |
GB/T1764-79(89) |
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Gloss (60C) |
20-90 |
GB/T9754-88 |
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T bend |
3T-4T |
NCCAII-19 |
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Cupping mm |
4 min |
GB/T9753-88 |
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MEK-resistance times |
50 min |
NCCAII-18 |
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Impact cm |
100 min |
GB/T1732-93 |
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Pencil hardness |
H min |
GB/T6739-1996 |
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Cure schedule |
232-241C (sheet temperature) |
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Application Guide: 1) The substrate materials can be galvanized steel, alloy, cold-rolled and aluminium sheet. 2) The degreasing process. Degrease with alkali Scrubbing Degrease with alkali >> Chemical treatment >> Rinsing with water >> Passivation >> Hot air dry. 3) Apply primer, top-coat and back coat according to specification. Package, Storage and Transportation: 1) Package: galvanized steel drum,NW.200~220kg/D. 2) Storage:6 months at room temperature, when over 6 months, the qualified product, after inspection, still can be used. 3) Transportation: As hazard substance.
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