Yellow interior wall latex paint formula (2)

Formulation characteristics

The color interior wall latex paint production technology described in this technology that can reproduce the national standard color 0021 can reproduce the national standard color 0021 in a relatively short period of time, and can also ensure the accuracy of the color to the utmost extent.

Select the latex base paint related to the color paste of the desired color, and mix it evenly through the color mixing machine and the color paint mixer, so that the prepared color latex paint is compared with the standard color card of architectural coatings.

Application field

This product is used for building interior wall decoration.

Recipe details (parts by mass)

Production Method

After the above raw materials are prepared, add cosolvent, dispersant, and defoamer to the water according to the formula (parts by mass) of the latex base paint, stir evenly at low speed and slowly add pigments and fillers, and then disperse the pigments and fillers at high speed, and then sand until The fineness is less than 30μm, filter.

According to the production technology of color latex paint described in this technology, the tinting color paste is composed of the color pastes PBK-7, PY-74 and PY-42 of Shenzhen Oceanpower Company, and they are injected into units of 1/48Y in proportion.

Precautions

The range of the mass ratio of each component is: water 8~12, co-solvent 2~4, dispersant 0.

The colorants are selected from Shenzhen Oceanpower's PY-74, PY-42 and PBK-7.

White pigments for interior wall coatings can be rutile or anatase titanium dioxide and lithopone.

National standard color (GB/T 18922-2002) 0021 colored architectural latex paint is light yellow, the contrast ratio should be 0.

The filler used in the latex base paint can be barite powder, heavy calcium, talc, kaolin, etc.

For the selection and compatibility of emulsions, dispersants, wetting agents, defoamers, preservatives, pH regulators, thickeners, and film-forming aids for interior wall latex paint, please refer to "Yellow Interior Wall Latex Paint (1)".

Quality Index

• PVC/ %: 34
• VOC/(g/L): 130
• Viscosity (ASTM D562-2001)/KU: 90
• Free formaldehyde/(g/kg): <0.
  02
• Heavy metals/(mg/kg)
• Thixotropic Index (TI ASTMD2196-91): 3.
  6
• Soluble lead: 20
• Soluble cadmium: 20
• Contrast ratio: 0.
  960
• Falling chromium: 20
• Gloss (60°): 15
• Soluble mercury: 20
• Scrubbing resistance/time: 1200
• Storage stability (50C, 30 days)/KU: 92
• Alkali resistance: 24h without exception