BW8010 Two-Component Solvent-Free Polyurea Primer

Q: What is BW8010 solvent-free polyurea primer used for?

BW8010 is used as a two-component solvent-free primer for concrete, marble, ceramic tile, wood and metal substrates before anticorrosion waterproof coating systems.

Q: Why choose BW8010 before a polyurea coating system?

BW8010 improves adhesion between the substrate and following coating, supports sealing and penetration, and provides water, moisture and chemical resistance for prepared surfaces.

Q: What mixing ratio and coverage are listed for BW8010?

The BW8010 data sheet lists A:B = 1:2 by weight and theoretical coverage of about 0.2 kg/m² at 100 μm dry film thickness.

Q: What surface preparation is needed before BW8010 application?

Surfaces should be firm, clean, dry and free of oil, dust and loose matter. Metal surfaces should be rust-removed and profiled, while concrete, stone, tile and wood surfaces should be cleaned and dried.

Q: What chemical resistance data is listed for BW8010?

The listed data includes resistance to 30% H2SO4 or 10% HCl, 50% NaOH, 50 g/L salt, 2000 h salt spray and oil exposure, with no rust, no bubbles and no peeling in the listed results.

Q: What should buyers confirm before ordering BW8010?

Buyers should confirm substrate type, surface moisture, application temperature, primer film thickness, following coating compatibility, packaging quantity and the latest TDS before ordering BW8010.

Product description

BW8010 Two-Component Solvent-Free Polyurea Primer

Use it when the project needs stronger pore sealing, low-odor solvent-free application, penetration and adhesion improvement before anticorrosion waterproof coating. Confirm surface preparation, moisture condition, A / B mixing ratio, application window and following coating compatibility before ordering. Key data to review: >=98% solids, temperature variation resistance and 3.5 MPa adhesion or substrate broken.

What BW8010 delivers

Bw8010 Two-Component Solvent-Free Polyurea Primer is mainly composed of high-performance polyurethane resin prepolymers and polymer materials as film-forming components, manufactured through scientific production processes.

Better pore sealingDeeply seals pores and capillaries to reduce substrate absorption before the following coating.
No solvent odorSolvent-free formula with no solvent volatilization and no odor during normal application.
Adhesion supportSignificantly improves the adhesion force between substrate and the following coating.
Chemical resistanceExcellent water, moisture and chemical medium resistance, including acids, alkalis and salts.

Solvent-free pore sealing primer performance.

BW8010 focuses on stronger pore sealing, no solvent volatilization, no odor during application and reliable adhesion before the following coating. Review these core indicators when checking substrate preparation, site temperature and coating-system compatibility.

>=98%Solid content reference for a solvent-free primer with no solvent volatilization and no odor during application.

-40 to +180°CTemperature variation test reference for primer stability on prepared substrates.

3.5 MPaAdhesive strength reference for prepared dry concrete surface, with substrate-broken result possible.

50% NaOHAlkali resistance reference for 30 days with no rust, no bubbles and no peeling in listed conditions.

Application scope

Typical use areas for BW8010.

Primer support for anticorrosion waterproof coating on substrates such as concrete, marble, ceramic tiles, wood and metal.

Product features

Better pore sealingDeep sealing and penetration performance helps close pores before the following coating.
Solvent-free and odor-freeNo solvent volatilization and no odor during normal application.
Adhesion improvementSignificantly improves the adhesion force between substrate and the following coating.
Chemical resistanceExcellent corrosion resistance and chemical medium resistance, including acids, alkalis and salts.

Project fit

Use BW8010 as a primer where the following coating system needs a sealed, prepared and adhesion-supported substrate.

Substrate reviewConfirm surface preparation, primer compatibility and moisture condition before application.
Service condition reviewMatch film thickness, chemical exposure and mechanical demand to the project specification.

Product information & technical data

Technical data for BW8010 two-component solvent-free polyurea primer.

Review product information, physical properties and chemical resistance data for BW8010 Two-Component Solvent-Free Polyurea Primer in a cleaner table structure optimized for technical comparison and procurement review.

Product information

Item	Value
Appearance	Flat and without bubbles
Solid content (%)	>=98
Pot life (h), 25°C / RH 50%	0.5
Surface dry time (h), 25°C / RH 50%	<=3
Mixing ratio	A:B = 1:2 by weight
Solid dry time (h)	<=12
Theoretical coverage (DFT)	0.2 kg/m² film thickness 100 μm

Physical properties

Item	Test standard	Result
Adhesive strength (dry concrete surface)	ASTM D-3359	3.5 MPa or substrate broken
Impact resistance (kg.cm)	GB / T 1732	60
Abrasion resistance (750 g / 500 r) mg	GB / T 1732	12
Temperature variation (-40°C to +180°C), 24 h	GB / 9278-1988	Normal
Density (g/cm³)	GB / T 6750-2007	1.06

Chemical resistance

For reference: pay attention to the influence of ventilation, splash and spillage. Independent immersion testing is recommended if other specific data is required.

Exposure item	Result
Acid resistance 30%H₂SO₄ or 10%HCl, 30 d	No rust, no bubbles, no peeling
Alkali resistance 50%NaOH, 30 d	No rust, no bubbles, no peeling
Salt resistance 50 g/L, 30 d	No rust, no bubbles, no peeling
Salt spray resistance 2000 h	No rust, no bubbles, no peeling
Oil resistance 0# diesel, crude oil, 30 d	No rust, no bubbles, no peeling

Application environment & guide

Application conditions, surface preparation and mixing guidance.

Check surface cleanliness, dryness, temperature, mixing ratio, application window and compatibility with the following coating before installation.

Application environment

Condition	Requirement
Application temperature	Recommended above 10°C; cold conditions can slow cure
Surface condition	Firm, clean, dry, oil-free and free of loose material
Use after mixing	Use the mixed coating within 30 minutes
Ventilation	Keep the work area ventilated during application and curing

Application guide

Guide item	Recommendation
Metal surface	Remove rust and reach ISO 8501-1 / GB 8923 Sa2.5 profile
Concrete, stone, tile and wood surface	Remove floating dust, laitance and loose debris before priming
Mixing	Mix A and B components thoroughly according to the stated weight ratio
Trial application	Test on a small area before large-scale application

Application note

Apply only after the substrate is firm, flat, clean and dry, with no oil, dust, loose debris or visible moisture.
Mix A and B components according to A:B = 1:2 by weight and use the mixed coating within the stated pot life.
Before large-scale application, apply BW8010 on a small area to confirm substrate compatibility, adhesion and following-coating interval.

Curing time, shelf life and packing

Curing time, storage and packing information for project planning.

Use the curing profile, shelf-life data and packing details below to plan BW8010 primer application timing, warehouse handling and bulk project purchasing.

Product curing time

Note: curing time varies with environmental conditions, especially temperature and relative Humidity.

Curing item	Reference
Pot life	0.5 h at 25°C / RH 50%
Surface dry time	<=3 h at 25°C / RH 50%
Solid dry time	<=12 h

Shelf life & packing

Item	Details
Shelf life from manufacturing date	Part A: 5 years / Part B: 10 months
Packing	Part A: 10 kg per pail / Part B: 20 kg per pail
Storage temperature	+5-35°C
Package requirement	Keep the product package tightly sealed
Storage precaution	Store in a cool, ventilated place and avoid direct sunlight

Health & safety / integrity declaration

Safety data, handling guidance and application verification.

Product health and safety information

For information and advice on the safe handling, storage and disposal of chemical products, users shall refer to the most recent Material Safety Data Sheet containing physical, ecological, toxicological and other safety-related data.

Integrity declaration

Colorful Whale Advanced Materials (Shanghai) Co., Ltd. guarantees all technical data stated in this sheet are based on laboratory tests. Actual testing methods may vary due to different circumstances. Therefore please test and verify its applicability. Colorful Whale Advanced Materials (Shanghai) Co., Ltd. assumes no responsibility except for product quality and reserves the right of any modifications on the listed data without prior notice.

FAQ

FAQ about BW8010 two-component solvent-free polyurea primer.

These answers support engineering review, contractor planning and bulk project purchasing before ordering.

What is BW8010 solvent-free polyurea primer used for?

BW8010 is used as a two-component solvent-free primer for concrete, marble, ceramic tile, wood and metal substrates before anticorrosion waterproof coating systems.

Why choose BW8010 before a polyurea coating system?

BW8010 improves adhesion between the substrate and following coating, supports sealing and penetration, and provides water, moisture and chemical resistance for prepared surfaces.

What mixing ratio and coverage are listed for BW8010?

The BW8010 data sheet lists A:B = 1:2 by weight and theoretical coverage of about 0.2 kg/m² at 100 μm dry film thickness.

What surface preparation is needed before BW8010 application?

Surfaces should be firm, clean, dry and free of oil, dust and loose matter. Metal surfaces should be rust-removed and profiled, while concrete, stone, tile and wood surfaces should be cleaned and dried.

What chemical resistance data is listed for BW8010?

The listed data includes resistance to 30% H₂SO₄ or 10% HCl, 50% NaOH, 50 g/L salt, 2000 h salt spray and oil exposure, with no rust, no bubbles and no peeling in the listed results.

What should buyers confirm before ordering BW8010?

Buyers should confirm substrate type, surface moisture, application temperature, primer film thickness, following coating compatibility, packaging quantity and the latest TDS before ordering BW8010.

Request technical documents

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Request TDS, application guidance or bulk project support.

If you are evaluating BW8010 for substrate sealing, penetration, adhesion support or anticorrosion waterproof coating systems, request the latest technical data sheet, application guidance and project-specific compatibility review before ordering.