Cost Effective General Polyester Resin 93/7 TGIC Cure for Powder Coating
◇ Applications:
NH3305 is a general and cost-effective saturated carboxyl polyester resin for applications of polyester/TGIC powder coating system.
In this model, we upgraded the formula to achieve the balance between high leveling, weather resistance, anti-yellowing and mechanical properties of powder coatings.
◇ Basic features:
Excellent leveling
Good weathering resistance
Good mechanical properties and chemical resistance
Good storage stability
Excellent anti-yellowing
◇ Specifications:
Appearance white or light yellow transparent flakes
Color(50%DMF): max:2
Acid number(mgKOH/g): 31～35
Softening point(℃) 105～115
Glass transition temp.( ℃) ～65
Melting viscosity(200℃, cone/plate, mPa·s): 4600～6200
Reactivity at 180℃(s, 8% TGIC) 160～280
◇ Recommend Formulation:NH3305—TGIC
| NH3305 | TGIC | Filler ＆ pigment | Leveling agent | Benzoin | 701 |
| 558 | 42 | 383 | 8 | 4 | 5 |
◇ Extrusion Condition:
Two-screw extruder
Zone I: 90～110℃ Zone II: 110～120℃
Speed of revolution: 500～1200rpm
Fineness of powder: ＜100μm
◇ Application Condition:
Coating film thickness: 50～100μm
Degreased cold-rolled steel 0.5mm
◇ Curing Requirement: 200℃×10min
◇ Film Properties:
Gel time(180℃,sec): 260~360
Horizontal flow(180℃,mm): 25-30
Gloss (60°): ≥85%
Bending (φ1mm): pass
Adhesive (1mm,grade): 0
Pencil hardness: ≥1H
Impact (50cm): pass
◇ Packaging:
PE bags, N.W. 25KG±0.1KG / bag
Remarks:all the polyester resins could be customizes to Non-tin (A) ,anti gas burners(G),tribo gun(T) and anti-blooming(F)
Product Tags:
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ISO14000 TGIC Cure Epoxy Resin And Polyester Resin For Powder Coating Images
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