Waterproof coating technology of asbestos water dispersed asphalt

The following introduces a kind of architectural coating, which is used as a roof waterproof coating. The formula process is as follows:

1. Asbestos water-dispersed asphalt waterproof coating formula

component name

Specifications

parts by mass

water

tap water

500

road asphalt

No. 10 asphalt

180

liquid asphalt

 

190

asbestos powder

7 and asbestos linters

130

total

 

1002.5

2. Production process of asbestos water-dispersed asphalt waterproof coating

Heat the asphalt to 150-170°C to melt and dehydrate until no bubbles are produced, and set aside; heat the water to above 70°C, disperse the asbestos powder evenly with 60% hot water at high speed, and slowly add the boiled asphalt to the In the high-speed disperser, then add the remaining 40% hot water into the disperser in batches until the dispersion is uniform.

3. Main performance

Solid content/%

60.5

Yan Jibi

1.8

Consistency (Disc Consistency Meter)/cm

8~9

Coating toughness (bending diameter 10cm)

no cracking

4. Purpose

It belongs to thick paint, mainly used as roof waterproof coating and architectural coating.

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