Dry Blended Polyester Resin NH9001&NH9508 for Super Durable Matte Powder Coating
With the increasing development of national economy and the continuous improvement of people's living standards, the requirements for decoration, weather resistance, chemical resistance, water resistance and stain resistance of coatings are higher and higher, so the demand for super weather resistant powder coatings is increasing day by day.
As a long-standing manufacturer of polyester resin for powder coatings, Kinte has decades of research experience in super durable matte powder coatings.
◇ Applications:
NH9001/NH9508 are saturated carboxyl polyester resins for low gloss polyester/TGIC powder coatings by a dry blending procedure.
◇ Basic features:
Excellent leveling
Excellent weathering resistance
Excellent mechanical properties
Good chemical resistance
Good storage stability
◇ Specifications:
NH9001 NH9508
Appearance: pale yellow flake pale yellow flake
Color(50%DMF): ≤3 ≤2
Acid number(mgKOH/g): 46～54 19～25
Softening point(℃): 103～113 103～113
Glass transition temp.( ℃): ~65 ~63
Melting viscosity: 5100±800 5000±500
(200℃, cone/plate, mPa·s)
Reactivity at 180℃(s, TGIC): 50±25 330±60
◇ Recommend Formulation:
| Formulation | NH9001 | NH9508 | TGIC | Filler ＆ pigment | Leveling agent | Benzoin |
| I | 270 | — | 30 | 200 | 3 | 1.5 |
| II | — | 270 | 14 | 200 | 3 | 1.5 |
◇ Extrusion Condition:
Two-screw extruder
Zone I: 90～110℃ Zone II: 110～120℃
Speed of revolution: 500～1200rpm
Fineness of powder: ＜100μm
Blend I and II in the weight ratio of 1:1 before grinding.
◇ Application Condition:
Electrostatic spraying with: 40～70KV
Coating film thickness: 50～70μm
Degreased cold-rolled steel 0.5mm
◇ Curing Requirement: 200℃×10min
◇ Film Properties:
Gloss(60°): ≤40%
Bending(φ1mm): Pass
Adhesive(1mm,grade): 0
Pencil hardness: ≥2H
Direct 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)
Kinte have repeatedly introduced advanced technology in the industry, with advanced production equipment, testing instruments and high-quality technical talents;We will meet the needs of new and old customers with excellent quality and perfect service.
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White 90/10 Blended Polyester Resin , Polyester Resin 25kg For Matte Powder Coating Images
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