Fireproof Paint for Interior Steel Structure

Testing item

Standard clause

Technical data

Fire-proof performance

GB149007—2002 ， 5 ． 2 ． 16 ． 6 ． 6 6 ． 5 ． 7

Thickness of coating: 2 ． 0mm±0.2mm ; time of fireproofing: ≥1 ． 0 h ; Max roll degree of beam plate: ≤Ln/20—281 ． 5 mm (Ln is the counting span for test samples)

State in container

5 ． 2 ． 1

Even and exquisite after stirring, without agglomeration

Drying Time

(surface)/h

5 ． 2 ． 1

≤8

Appearance and color

5 ． 2 ． 1

The appearance and color should have no obvious difference from the samples after the coating is dried.

Crack resistance

in initial drying stages

5 ． 2 ． 1

Cracks should not appear.

Adhesion strength/Mpa

5 ． 2 ． 1

≥0.20

Waterproof / h

5 ． 2 ． 1

≥24, no rifting, no paint dropping, and no bubbles.

Cold and hot

circulation resistance/times

5 ． 2 ． 1

≥15, no rifting, no paint dropping, and no bubbles