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80/20 Saturated Polyester Resins Excellent Leveling Polyester Isocyanate Resin

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80/20 Saturated Polyester Resins Excellent Leveling Polyester Isocyanate Resin

Brand Name : KINTE

Model Number : NH7805

Certification : ROHS, ISO14000, ISO90001, Reach, Qualicoat

Place of Origin : China

MOQ : 1000kg

Price : Negotiable

Payment Terms : L/C, D/P, T/T

Supply Ability : 80,000 tons per year

Delivery Time : 10 working days

Packaging Details : 25Kg/PE Bag, 875Kg/Pallet, 17,500Kg/20GP

Cure Type : Polyester/ Isocyanate

Ratio : 80:20

Cure Time : 200℃×20min

Hydroxyl Number (mgKOH/g) : 35~45

Viscosity (mPa·s/200℃) : 5000±1500

Reactivity at 180℃(s, 20% B1530) : 320±80

Properties : Excellent Flow, High Weathering Resistance

Application : For Polyurethane Powder Coatings

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80/20 Isocyanate Polyester Resin, Excellent Leveling Saturated Polyester Resins

◎Introduction

NH7805 is a hydroxylated polyester resin for polyester/isocyanate powder coating system, suitable for polyurethane powder coatings.

Polyurethane powder coatings are developing into the mainstream of powder coatings, accounting for an increasing proportion of powder coatings. Because polyurethane powder coatings have excellent weather resistance, excellent physical and mechanical properties and corrosion resistance, the coating film is bright and plump, resistant to Abrasion, scratch resistance, solvent resistance, good leveling and strong adhesion. It is widely used in refrigerators, washing machines, air conditioners and other household appliances, as well as high-end furniture, automobiles, motorcycles and other industries.

◎Basic Features

Excellent leveling

Good chemical resistance and mechanical properties

High weathering resistance

Suitable for polyurethane powder coatings

◎Recommend Formulation:

NH7805 Hardener Filler ＆ pigment Leveling agent Benzoin
523 130 334 10 3

◎Specifications I

Appearance White or pale yellow transparent flake
Color (50% DMF) max:2
Hydroxyl Value (mgKOH/g) 35～55
Softening Point (℃) 102～112
Glass Transition Temp. (℃) ～61
Melting Viscosity (200℃, cone/plate, mPa·s) 3500～6500
Reactivity at 180℃ (s, 20% B1530) 240～400
Curing Requirement 200℃×20 min
Packaging PE Bags, Net Weight 25kg ± 0.1kg / bag

◎Specifications II

Extrusion Condition Two-screw Extruder
Zone I: 90～110℃ Zone II: 110～120℃
Speed of Revolution 500～1200rpm
Fineness of Powder ＜100μm
Application Condition Electrostatic Spraying With 40～70KV
Coating Film Thickness 50～70μm
Degreased Cold-rolled Steel 0.5mm
Film Properties Gel Time (180℃, sec) 660~930
Horizontal Flow (180℃, mm) 29~33
Gloss (60°) ≥85%
Bending (φ1mm) Pass
Adhesive (1mm, grade) 0
Pencil Hardness ≥1H
Impact (50cm) pass

◎More Code

Code Ratio Cure Cycle Acid Value (mgKOH/g) Viscosity (mPa.s/200℃) Tg (℃) Reactivity (s/180℃) Properties
NH7401 40/60 200℃×15 min 280~320 7000~11000 ~55 130-250 High hydroxyl value resin. For one shot matt PU formulations with NH7805.
NH7405 40/60 200℃×15 min 280~320 3000~5000 ~55 120-240 High hydroxyl value super durable resin. For one shot matt PU formulations wit NH7803.
NH7603 65/35 200℃×15 min 90~120 3000~6000 ~59 110-210 Excellent flow and good solvent resistance.
NH7803 80/20 200℃×15 min 35~45 3000~5000 ~57 300-420 Low hydroxyl value super durable resin. For one shot matt PU formulation with NH7405.
NH7805 80/20 200℃×20 min 35~45 3500~6500 ~61 240-400 Excellent flow, good mechanical properties, good outdoor durability.
NH7807 84/16 200℃×15 min 27~33 9500~10500 ~62 300-400 Good flow and stain resistance.
NH7808 84/16 200℃×15 min 25~35 7500~10500 ~59 460-660 Excellent flow, good mechanical properties and outdoor durability.
NH7809 84/16 200℃×15 min 25~35 9000~13000 ~66 420-620 Outstanding mechanical properties, excellent outdoor durability. For architectural profile and home appliance filed.
NH7908 88/12 200℃×15 min 20~25 9000~12000 ~57 350-580 For low hardener demand formulation. Good flow and mechanical properties.

◎Remarks: All the polyester resins could be customized to Non-tin (A), anti gas burners (G), tribo gun (T) and anti-blooming (F).

◎Product Show

80/20 Saturated Polyester Resins Excellent Leveling Polyester Isocyanate Resin

80/20 Saturated Polyester Resins Excellent Leveling Polyester Isocyanate Resin

80/20 Saturated Polyester Resins Excellent Leveling Polyester Isocyanate Resin

80/20 Saturated Polyester Resins Excellent Leveling Polyester Isocyanate Resin

80/20 Saturated Polyester Resins Excellent Leveling Polyester Isocyanate Resin


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