Anti-corrosion High-solids Topcoat – Polyaspartic Coating Formulation

Formula date: Nov 20, 2025

Component

F520/F424/GB930-100.

Curing method

Air drying.

Application

Anti-corrosion topcoat.

Characters

High solid content, long pot life and good weather-resistance.

A component

Material Content
F424 25
F520(Desmophen NH 1520 Equivalent) 20
BYK1631
R972 Fumed silica0.5
Rutile titanium dioxide45
3A molecular seive4
BYK1790 defoamer0.2
BYK410 anti-sagging agent0.1
EFKA3600 leveling agent0.1
1130 UV absorber0.9
292 UV absorber0.6
PMA2.6

B component

Material Content
GB930-100(WANNATE HT-300 Equivalent) 96
Dehydrating agent0.5
NBAC3.5

Ratio

A:B=3:1 by weight

Specifications

Pot life>60min
Solid content≥96%
VOC/g/L≤50
Touch dry time 25℃≤1h
Hard dry time 25℃≤3h
Thickness100-150μm or as needed
HardnessH
Aging resistanceUVA≥2000h

Feiyang Protech has been specializing in the production of raw materials for polyaspartic coatings for 30 years and can provide polyaspartic resins, hardeners and coating formulations. Feel free to contact us: [email protected]

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