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English (United Kingdom) - Paul Wurth

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Technical Data<br />

Chemflake Special<br />

Product description<br />

Chemflake Special is a high build glass flake reinforced vinyl ester coating, specially designed for high temperature<br />

service.<br />

Recommended use<br />

Steel in aggressive environments. For maximum corrosion and chemical protection also in high temperature<br />

environment. May also be used for protection of aluminium and concrete (special designed systems).<br />

Film thickness and spreading rate<br />

Minimum Maximum Typical<br />

Film thickness, dry mils (µm) 24,0(600) 40,0(1000) 30,0(750)<br />

Film thickness, wet mils (µm) 25,0(625) 42,0(1050) 31,2(780)<br />

Theoretical spreading rate ft²/gl (m²/l) 64(1,6) 38(0,96) 51(1,28)<br />

Comments<br />

The practical spreading rate may vary from the theoretical dependent upon film thickness and the ambient temperature,<br />

ventilation/wind during the application.<br />

Physical properties<br />

Color Red, White<br />

Solids (vol %)* 96 ± 2<br />

Flash point 93°F ± 4 (34ºC ± 2) (Setaflash)<br />

VOC 36 gms/ltr UK-PG6/23(97). Appendix 3<br />

Gloss Semiflat<br />

Water resistance Excellent<br />

Abrasion resistance Excellent<br />

Solvent resistance Excellent<br />

Chemical resistance Excellent<br />

Flexibility Limited<br />

*Measured according to ISO 3233:1998 (E)<br />

Surface preparation<br />

All surfaces should be clean, dry and free from contamination. The surface should be assessed and treated in<br />

accordance with ISO 8504.<br />

Bare steel<br />

Cleanliness: Blast cleaning to min. SSPC-SP10 "Near White Blast" or Sa 2 ½ (ISO 8501 1:2007). Roughness: use<br />

suitable abrasives to achieve Grade Coarse G 3 - 5 mils (75 - 130 µm, Ry5) (ISO 8503-2).<br />

Chemflake Special Page 1 of 5

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