BW6-8526 Aliphatic Hand-Applied Thick-Film Polyurea Coating

Product description

One-component aliphatic thick-film polyurea for scraper-applied protection.

BW6-8526 is prepared by prepolymerization using high-strength resin, aliphatic isocyanate and special functional additives. The high-viscosity coating is suitable for scraper application and forms a protective film with high elasticity, high strength, wear resistance, impact resistance and outdoor weather resistance.

BW6-8526 Aliphatic Hand-Applied Thick-Film Polyurea Coating official product packaging image

What BW6-8526 delivers for buyers

Use BW6-8526 where a one-component hand-applied coating must combine outdoor weathering, waterproofing, anticorrosion and mechanical protection without relying on hot spray equipment.

Aliphatic outdoor weather resistanceThe data sheet lists long-term outdoor non-chalking and non-discoloring performance with good decorative effect.
Hand-scrape thick-film buildHigh viscosity and recommended 500-2000 µm dry film thickness support scraper-applied local or project-scale waterproofing work.
Waterproof and anticorrosion protectionDesigned for bridge maintenance, roof waterproofing, dam protection, hydropower waterproofing, container and industrial anticorrosion uses.
High strength and impact resistance24 MPa tensile strength, Shore A 92 hardness and 1.0 kg.m impact resistance support demanding exposed protection.
Single-component handlingNo A/B ratio mixing is needed, helping reduce labor steps while still requiring proper bucket handling and site controls.
Strong multi-substrate adhesionThe coating can bond quickly and firmly to prepared steel, concrete, wood, glass fiber and other reviewed substrates.

Outdoor aliphatic protection with thick-film hand application.

These points highlight the main selection reasons for BW6-8526: weatherable aliphatic chemistry, scraper-applied thick film, waterproof anticorrosion performance and wear-resistant protection.

AliphaticOutdoor weathering. Built for long-term outdoor use without chalking or discoloration, supporting exposed waterproof and decorative protection.

500-2000Thick-film DFT. Recommended dry film thickness in micrometers for scraper-applied waterproof, anticorrosion and wear-resistant build.

2000 hSalt spray resistance. Listed result shows no rust, no bubbles and no peel off after salt spray exposure.

24 MPaTensile strength. ASTM D-412 tensile strength result, supporting high-strength thick-film waterproof and anticorrosion protection.

Application scope

Typical use areas for BW6-8526.

The data sheet positions BW6-8526 for anticorrosion and waterproof protection in petroleum, chemical, transportation, construction, power and container industries.

Infrastructure waterproofing

Bridge maintenanceFor prepared bridge maintenance areas requiring hand-applied waterproof, anticorrosion and wear-resistant protection.
Building roof waterproofingFor roof waterproofing projects where outdoor aliphatic color stability and scraper-applied film build are important.
Dams and hydropower buildingsFor water conservancy dams and hydropower station building waterproofing after substrate preparation and site verification.

Industrial protective coating

Petroleum and chemical facilitiesUse for reviewed anticorrosion protective coating work exposed to selected acids, alkalis, salts, oils and organic solvent conditions.
Power and transportation assetsSupports protective coating work where waterproofing, impact resistance and abrasion resistance must be balanced.
Containers and mixed substratesCan be used on properly treated steel, concrete, wood, glass fiber and other substrates after compatibility review.

Product information & technical data

Technical data for BW6-8526 aliphatic hand-applied thick-film polyurea coating.

Review product information, physical properties and chemical resistance data before specifying BW6-8526 for outdoor waterproof, anticorrosion or wear-resistant protection.

Product information

Item	Result
Appearance	Color adjustable
Specific gravity (g/cm3)	1.1-1.2
Viscosity (cps) @ 20°C	10000-30000
Solid content (%)	80, slightly different due to different colors
Surface dry time (h)	1-3
Pot life (h)	1
Theoretical coverage	0.16 kg/m2 at 100 µm thickness

Physical properties

Item	Test standard	Result
Hardness (Shore A)	ASTM D-2240	92
Elongation (%)	ASTM D-412	300
Tensile strength (MPa)	ASTM D-412	24
Tear strength (kN/m)	ASTM D-624	65
Abrasion resistance (750 g / 500 r), mg	HG / T 3831-2006	8
Adhesive strength (MPa), metal substrate	HG / T 3831-2006	10
Adhesive strength (MPa), concrete substrate	HG / T 3831-2006	3.5
Impact resistance (kg.m)	GB / T 23446-2009	1.0
Density (g/cm3)	GB / T 6750-2007	1.2

Corrosion 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 peel off
Alkali resistance 30% NaOH, 30 d	No rust, no bubbles, no peel off
Salt resistance 30 g/L, 30 d	No rust, no bubbles, no peel off
Salt spray resistance, 2000 h	No rust, no bubbles, no peel off
Oil resistance 0# diesel and crude oil, 30 d	No bubbles, no peel off

Application guide

Scraper application, substrate treatment and site conditions.

Plan BW6-8526 as a hand-scrape thick-film coating unless project-specific guidance confirms another application method.

Application environment

Condition	Requirement
Environment temperature	-5 to +35°C
Relative humidity	35-85%
Dew point	For metal surfaces, substrate temperature must be at least 3°C above dew point

Application instructions

Guide item	Recommendation
Recommended dry film thickness	500-2000 µm or as design requirements
Recoat interval	4-24 h
If recoat time exceeds 24 h	Polish with sandpaper and clean before application, especially if dust is present
Suggested coating method	Scraping application
Low-temperature handling	Product can be used at -10°C; for low-temperature work, keep the material bucket in an air-conditioned room for at least 24 h before use
Viscosity adjustment	Do not add diluent randomly. If viscosity must be adjusted due to environment or temperature, consult BW before adding approved special thinner

Substrate treatment

Substrate	Treatment requirement
Metal surface	Sandblast for rust removal to Sa2.5 according to ISO8501-1 or GB8923
Concrete surface	Solid, dense, flat, clean and dry; no sanding, peeling, cracks or honeycomb pits; repair with putty where needed
Wood surface	Clean and dry, free from burrs, debris and loose material
Other substrates	Consult BW technicians for project-specific treatment

Application precautions

Precaution	Requirement
Control opened material	Pour out only the quantity used at one time and quickly close the bucket lid tightly.
Do not return remaining liquid	Material left after use should not be poured back into the original bucket.
Do not add thinner casually	Consult BW before adding any approved special thinner if viscosity needs adjustment due to environment or temperature.

Curing time, shelf life and packing

Curing, storage and packing information for project planning.

Use the curing profile and storage guidance to plan construction sequence, walking access, full cure timing and procurement quantity.

Product curing time

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

Substrate temperature	Surface dry time	Foot traffic	Solid dry time
+10°C	6 h	24 h	7 d
+20°C	2-3 h	12 h	6 d
+30°C	1 h	8 h	5 d

Shelf life & packing

Item	Details
Package	4 kg/drum
Shelf life	6 months from production date in unopened sealed original package
Storage temperature	5-35°C
Storage precaution	Store in a cool and ventilated place, avoid direct sunshine and keep away from heat
Use-after-opening precaution	Pour out only what will be used each time, close the bucket quickly and do not pour remaining liquid back into the original bucket

Health & safety / integrity declaration

Safety data, handling guidance and application verification.

Product health and safety information

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

Integrity declaration

All technical data in this sheet is based on laboratory tests. Actual test methods and site conditions may vary, so project teams should test and verify applicability before full application.

FAQ

FAQ about BW6-8526 aliphatic hand-applied thick-film polyurea coating.

These answers focus on hand scraping, thick-film application, outdoor weather resistance and buyer-side project review.

What is BW6-8526 used for?

BW6-8526 is used for anticorrosion and waterproof protective coating work in petroleum, chemical, transportation, construction, power and container industries, including bridge maintenance, building roof waterproofing, water conservancy dams and hydropower station building waterproofing.

Is BW6-8526 an aliphatic coating for outdoor exposure?

Yes. The data sheet describes BW6-8526 as a one-component aliphatic polyurea coating with excellent weather resistance, long-term outdoor non-chalking and non-discoloring performance, and good decorative effect.

How should BW6-8526 be applied?

The application guide lists suggested coating method as scraping application. Brush, roller, air spray or high-pressure airless spray are mentioned as possible application methods in the product features, but the thick-film page should be planned around hand scraping unless BW confirms another method for the project.

What dry film thickness is recommended for BW6-8526?

The data sheet lists recommended dry film thickness of 500-2000 micrometers, or according to the design requirement, with a recoat interval of 4-24 hours.

What substrate preparation is required?

Metal surfaces should be sandblasted to Sa2.5 according to ISO8501-1 or GB8923. Concrete should be solid, dense, flat, clean and dry, without sanding, peeling, cracks or honeycomb pits. Wood should be clean, dry and free from burrs, debris and loose material.

Can unused BW6-8526 be poured back into the original bucket?

No. The data sheet recommends pouring out only the quantity used each time, closing the bucket quickly and not pouring remaining liquid back into the original bucket.

Request technical documents

Explore polyurea products Hand-applied polyurea Contact technical support

Request TDS, application guidance or bulk project support.

If you are evaluating BW6-8526 for scraper-applied outdoor waterproofing, anticorrosion or wear-resistant protection, request the latest technical data sheet, substrate review and project-specific application guidance before ordering.