BW3-562 Cold-Spray Polyurea Elastomer

Q: What chemical resistance data is listed for BW3-562?

The BW3-562 data sheet lists acid resistance 10%H2SO4 or 10%HCl, alkali resistance 10%NaOH, salt resistance 30 g/L, salt spray resistance 2000 h and oil resistance, with no corrosion, no blistering and no peeling in the listed tests.

Product description

BW3-562 cold-spray polyurea elastomer for portable protective coating work.

Use it when the project needs a 100% solids polyurea elastomer that can be applied with portable cold-spray equipment. Confirm substrate preparation, A / B mix ratio, film thickness, product heating temperature and recoat window before ordering. Key data to review: 100%, 50-60 s, 16 MPa.

BW3-562 Cold-Spray Polyurea Elastomer product packaging photo

What BW3-562 delivers

Bw562 is a 100% solids aromatic polyurea elastomer designed to make spray polyurea practical for smaller repair, reinforcement and protective coating work.

Portable applicationLower-cost cold-spray application with a simple spray gun supports easier on-site operation.
Adjustable working timeReaction curing time can be adjusted from 2 to 10 minutes for curved, inclined and vertical surfaces without sagging.
Adhesion performanceDense coating, seamless, with good flexibility.
Durable serviceStrong adhesion enables rapid bonding to steel, concrete, wood, glass fiber and other substrates.

Technical advantages for portable polyurea protection.

Documented product advantages include 100% solids composition, adjustable curing time, dense seamless film, impact and abrasion resistance, chemical resistance and waterproofing performance. Final suitability should be verified against the target substrate, environment and service condition.

100%Solid content reference from the product information table for coating build and purchasing review.

50-60 sGel-time reference at 25°C for planning cold-spray application sequence.

16 MPaTensile strength reference for flexible protection and mechanical service review.

3.2 MPaConcrete adhesion reference for prepared substrate and coating-system compatibility review.

Application scope

Typical use areas for BW3-562.

BW3-562 supports small-area protective coatings, automotive protection, abrasion-resistant linings, EPS foam prop reinforcement and repair of existing spray polyurea engineering surfaces.

Product features

Solvent-freeSolvent-free, 100% solids content, safe, environmentally friendly and odorless.
Adjustable curingReaction curing time can be adjusted from 2 to 10 minutes for shaped surfaces without sagging.
Dense coatingDense and seamless coating with excellent flexibility for protective film build.
Strong adhesionRapid bonding to steel, concrete, wood, glass fiber and other prepared substrates.

Project fit

Typical uses include pickup truck cargo boxes, chassis armor, vibrating feeders, mixer linings, impeller surfaces, pump housing linings, EPS foam carving reinforcement and polyurea surface repair.

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 BW3-562 cold-spray polyurea elastomer.

Review product information, physical properties and chemical resistance data for BW3-562 cold-spray polyurea elastomer in a cleaner table structure optimized for technical comparison and procurement review.

Product information

Item	Part A	Part B
Appearance	Pale yellow liquid	Adjustable color
Specific gravity (g/cm³)	1.12	1.05
Viscosity (cps)@ 25°C	800	500
Solid content (%)	100	100
Mix ratio (by volume)	1	1
Gel time (s)@ 25°C	50-60
Theoretical coverage (dft)	1.08 kg/m² film thickness 1 mm

Physical properties

Item	Test standard	Result
Hardness (Shore A)	GB / T 23446-2009	92
Elongation rate (%)	GB / T 23446-2009	410
Tensile strength (MPa)	GB / T 23446-2009	16
Tear strength (kN/m)	GB / T 23446-2009	60
Impermeability (0.4 MPa / 2 h)	GB / T 23446-2009	Impermeable
Wear resistance (750 g / 500 r) / mg	GB / T 23446-2009	4.8
Adhesive strength (MPa) concrete base	GB / T 23446-2009	3.2
Adhesive strength (MPa) steel base	GB / T 23446-2009	11
Cathodic disbondment [1.5v,(65±5)°C, 48 h]	HG / T 3831-2006	≤15 mm

Chemical resistance

For reference: the above data is acquired based on GB / T 9274-1988 test standard. 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 10%H₂SO₄ or 10%HCl, 30 d	No corrosion, no blistering, no peeling
Alkali resistance 10%NaOH, 30 d	No corrosion, no blistering, no peeling
Salt resistance 30 g/L, 30 d	No corrosion, no blistering, no peeling
Salt spray resistance 2000 h	No corrosion, no blistering, no peeling
Oil resistance 0# diesel, crude oil, 30 d	No corrosion, no blistering, no peeling

Application environment & guide

Spray application conditions, equipment and recoat guidance.

Check temperature, humidity, equipment setup, film thickness and recoating interval before installation.

Application environment

Condition	Requirement
Ambient temperature	0°C-45°C
Relative humidity	≤90%
Dew point margin	Substrate surface temperature shall be ≥3°C higher than the dew point

Application guide

Guide item	Recommendation
Recommended spray machine	Professional portable cold-spray polyurea equipment
Air compressor air delivery rate	≥0.4 m³/min
Product spraying heating temperature	35°C-45°C
Recommended film thickness	1000-3000 μm
Recoating interval	≤6 h

Application note

Agitate Part B uniformly prior to application and thoroughly mix deposited pigments, or product quality may be affected.
Spray polyurea within the proper time if the substrate surface is primed. For the application method and interval time of Bw polyurea special primer please refer to Colorful Whale Advanced Materials (Shanghai) Co., Ltd.’s other brochure.
Always apply Bw562 on a small area before large application to check the mix ratio, color and spray effect are correct. For detailed information of application please refer to the latest instruction sheet of the application instructions of Bw spray polyurea series.

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 spray polyurea application timing, warehouse handling and bulk project purchasing.

Product curing time

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

Substrate temperature	Dry	Foot traffic / Solid dry
+10°C	30 s	45 min / 7 d
+20°C	23 s	15 min / 6 d
+30°C	17 s	5 min / 5 d

Shelf life & packing

Item	Details
Shelf life from manufacturing date	10 months from manufacturing date, unopened original packaging
Storage temperature	5-35°C
Packing	1.6 kg / set, part A 0.82 kg, part B 0.78 kg
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 BW3-562 cold-spray polyurea elastomer.

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

What is BW3-562 cold-spray polyurea elastomer used for?

BW3-562 is used for small-area protective coating, anticorrosion and abrasion-resistant work, including pickup truck cargo boxes, chassis armor, mixer linings, impeller surfaces and repair of spray polyurea engineering surfaces.

What makes BW3-562 different from conventional hot-spray polyurea?

BW3-562 is designed for portable cold-spray application with a simple spray gun and lower-cost equipment, supporting easier single-person application for smaller coating projects.

What chemical resistance data is listed for BW3-562?

The BW3-562 data sheet lists Acid resistance 10%H₂SO₄ or 10%HCl, 30 d, Alkali resistance 10%NaOH, 30 d, Salt resistance 30 g/L, 30 d plus salt spray resistance 2000 h and oil resistance, with no corrosion, no blistering and no peeling in the listed tests.

What equipment is recommended for BW3-562 application?

BW3-562 requires professional portable cold-spray polyurea equipment, air compressor delivery of at least 0.4 m³/min and product spray heating around 35°C-45°C.

What site conditions should be controlled for BW3-562?

Before application, control ambient temperature around 0°C-45°C, relative humidity at or below 90% and make sure the substrate surface temperature is at least 3°C higher than the dew point.

What information should be reviewed before selecting BW3-562?

Review the TDS, substrate-preparation method, primer interval, color and mix ratio check, chemical exposure, required film thickness and project scale before selecting BW3-562.

Request technical documents

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Request TDS, application guidance or bulk project support.

If you are evaluating BW3-562 for portable cold-spray protective coating, anticorrosion, abrasion resistance or repair work, request the latest technical data sheet, application guidance and project-specific compatibility review before ordering.