Exterior wall latex paint | KF-EW100 | Kexin New Materials

Architectural latex / textured coating series · Complete application process flow

Product No.: KF-EW100 Standard: GB/T 9755 | GB/T 9756 | JGJ/T 29 Version: V2.0 Date: 2026-06-21
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I. Pre-application preparation — Substrate inspection and treatment

1Substrate inspection and preparation standard

Preparation standard:New walls cured for at least 28 days; substrate firm and level

Roughness requirement:per product requirements

Cleanliness requirement:Free of oil, dust and loose particles

Moisture content:Moisture content<10%

pH Value：pH<10

Body filler application:批刮Water-ResistantPutty2-3道，Sanding平整

Primer application:Apply one coat of alkali-resistant sealing primer

2Paint preparation and mixing

Mixing method:Mix evenly with an electric stirrer

Thinning：Dilute with 5-10% clean water as needed (water-borne paint)

3Environmental condition check

Application temperature:5-35°C

Relative humidity:Relative humidity ≤85%

Weather requirements:户外Application避开雨天和大风天

II. Application procedure — Selection of coating method
Application methodProcess parametersApplicable scenarios
Roller Coating Medium-nap roller 大AreaWall
Brushing 羊毛刷 Corners and edges
Spraying Airless spraying, nozzle 0.43-0.53 mm Efficient large-area application

Number of coats:1 coat of primer→2 topcoats with 2-4 hour intervals (23°C). Dark/vivid colours may require 3-4 coats.

4. Safety and environmental requirements
⚠ Water-borne paint is low-VOC; good ventilation suffices
⚠ PPE：口罩+Safety goggles+手套
⚠ 高空作业系Safety带
⚠ Leftover paint must not be poured down the drain
5. Quality inspection and acceptance criteria
Inspection itemsInspection methodAcceptance criteria
Substrate moisture content Hygrometer <10%
Colour uniformity Visual 无明显Color Difference
耐洗刷性 GB/T 9266 ≥1000次（Interior wall ）/≥2000次（外墙）
Water resistance GB/T 1733 96hNo abnormality
Prepared on the basis of:GB/T 9755 | GB/T 9756 | JGJ/T 29 and relevant industry standards.
Important statement:This construction guide is a recommended reference document. Actual construction parameters should be adjusted based on site conditions, environmental circumstances, and coating system requirements. For special working conditions or construction difficulties, please contact the Kexin New Materials Technical Department for professional support.
Technical support:0757-88793275 | www.psste.com | Shunde District, Foshan City, Guangdong Province

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