Product Introduction
High molecular weight linear saturated polyester with very good adhesion to metal. by L411 The baked coating made with amino resin and blocked polyisocyanate has excellent flexibility and strong adhesion to metal.
purpose
coil coating primer and bottom surface in one coating, composite adhesive Mixtures; deep drawing and sterilization resistant coatings for iron printing, metal decoration and inner layer protection coatings; gravure and flexographic inks and heat-sealing coatings.
Availability
Granular Solid Resin
Quality indicators
Property
A． Product Specifications
Viscosity① 55-65 cm³/g DIN 53728
Hydroxyl Value Maximum 9 mg KOH/g DIN 5324 0
acid value max 3 mg KOH/g DIN EN ISO 2114
B． Typical Data
Molecular Weight
Glass transition temperature 45-50 ℃ ℃ DSC②
softening point ISO 4625
Specific gravity (20℃) 1.23 g/cm³ ISO 1183
① Dissolve 0.5g of polyester in 100cm³ of phenol and dichlorobenzene (50/50.w/w) mixed solution measured
②Differential thermal analysis
Storage Stability
In the case of avoiding direct sunlight and moisture, L411 It can be stored for at least 12 months at room temperature at 25°C.
L411 produces turbidity in solution (very small amount of cyclic oligomers).
Packaging
Granules packed in paper bags, net weight 25kg
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