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DSM帝斯曼水性聚氨酯 Neorez R-986

2021-01-06 21:25

  NeoRez R-986is a hard, chemical resistant polyurethane dispersion for use in high performance topcoats.

 

  Typical properties

  Type anionic, aliphatic polycarbonate dispersion

  Appearance semi translucent/grey/yellow liquid

  Total solids (% w/w) 35

  pH (25°C) 8.0

  Viscosity Brookfield (25°C; mPa.s) 100

  Volatiles 13.5% N-methylpyrrolidone,water

  Neutralising agent TEA (1.5%)

  Density of dispersion (20°C; kg/l) 1.06

  Freeze/thaw stability stable

 

  Film properties

  - Hard and abrasion resistant, high gloss

  - Elongation 160%, König hardness 200 sec.

  - Water, humidity, solvent and UV-resistant

  - Adhesion to plastics such as PVC and PC

 

  Recommendation for end-use

  - PVC and non-PVC flooring top coats

  - In combination with acrylic emulsions for plastic coatings (e.g. automotive parts, business machines, Hi-Fi equipment)

  - Metal and industrial wood coatings

  - Detergent resistant overprint varnishes

 

  Formulating guidelines

  - NeoRez R-986 is a very compatible polyurethane dispersion and even suitable for pigment grinding

  - Small additions (1-2%) of Crosslinker CX-100 will improve chemical resistance and mechanical properties

  - NeoRez R-986 is somewhat softer compared to NeoRez R-985 and the best choice when curing conditions are at ambient temperature

  - See our guide formulations for specific information

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