V-0 Flame-Retardant PU Potting for EV Power Electronics – Black/White Options

MOQ： 200KG
Price： Negotiable
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Supply Ability	1000 Tons per Month
Mix Ratio	A:B=30:100 (by weight)
Flame Retardancy	UL94 V-0
Delivery Time	7 working days after payment
Waterproof	Good
Payment Terms	T/T
Thermalconductivity	≥0.40 W/m·K
Product name	Polyurethane Potting Compounds
Working temperature range	-40~120℃
Packaging Details	A for 5kg/10kg; B for 25KG/200KG
Model Number	6806-2
Certification	RoHS,Reach
Brand Name	BZ-Bai Zhuang
Place of Origin	China

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Product Specification


Supply Ability	1000 Tons per Month	Mix Ratio	A:B=30:100 (by weight)
Flame Retardancy	UL94 V-0	Delivery Time	7 working days after payment
Waterproof	Good	Payment Terms	T/T
Thermalconductivity	≥0.40 W/m·K	Product name	Polyurethane Potting Compounds
Working temperature range	-40~120℃	Packaging Details	A for 5kg/10kg; B for 25KG/200KG
Model Number	6806-2	Certification	RoHS,Reach
Brand Name	BZ-Bai Zhuang	Place of Origin	China
High Light	V-0 flame-retardant PU potting compound ，EV power electronics potting material ，black white PU potting compound

BZ-6806-2-1 is a two-component polyurethane potting system for filling, insulating, and sealing power supplies, controllers, and converters in new-energy vehicles. It offers adjustable cure profiles and multiple color choices, balancing process flexibility with fast-cycle production. Fully RoHS/REACH-compliant, it operates from –40°C to 120°C, with thermal conductivity ≥0.40 W/m·K and water absorption ≤0.5%, ensuring durable performance in high-power environments.

Key Product Features

1. V-0 Fire Rating: UL94 V-0 certified, reducing fire risk in sealed or high-density power assemblies.
2. Flexible Curing: Pot life 20–60 min; cures in 6–9 h at 25°C (adjustable) or ≤60 min at 60°C for high-volume throughput.
3. Strong Insulation: Breakdown voltage ≥15 kV/mm; surface resistivity ≥1.0×10¹¹ Ω/sq for secure component isolation.
4. Mechanical Toughness: Shore A 70±10, tensile ≥2 MPa – absorbs shock and accommodates thermal movement.
5. Color Options: Available in black, white, or beige to meet design and functional needs.
6. Global Compliance: Meets RoHS, REACH, and UL94 V-0, aligning with international automotive and electronics standards..

Technical Parameters

Parameters		Hardener BZ-6806-2R A	Resin BZ-6806-2R B
Before curing	Appearance	Brown liquid	Black/White/Beige liquid
	Viscosity(mPa·s.25℃)	100±40	16500±5000
	Initial mixed viscosity(mPa·s.25℃)	1600±500
	Density(g/cm³.25℃)	1.07±0.05		1.54±0.05
Mixing & Curing	Mix ratio(by weight)	A:B=30:100
	Pot life 130±30g(min.25℃)	20-60 (Adjustable for process/temperature )
	Curing condition	Room temperature curing
	Surface drying time 30g(H.25℃)	3-6.5 (Adjustable for process/temperature )
	Curing time 30g(H.25℃)	6-9 (Adjustable for process/temperature )
	Curing time(Heated)	60℃ heated ≤60 min
After curing	Color	Black/White/Beige
	Hardness (Shore A)	70±5
	Temperature resistance(℃)	-40~120℃
	Flame retardancy UL94	V0
	Thermal conductivity(W/m.k)	≥0.40
	Water absorption(24H)	≤0.5%
	Surface resistivity(Ω/sq)	≥1.0×10¹¹
	Volume resistivity(Ω.cm)	≥1.0×10¹⁰
	Tensile strength(MPa)	≥2
	Dielectric constant(at 50Hz)	≥4
	Breakdown voltage(kV/mm)	≥15

Product Applications

High-Safety Power Supplies: Encapsulates medical, server, and industrial inverter power units, meeting fire safety regulations.
New Energy Vehicle Components: Insulates battery management systems, onboard chargers, and DC-DC converters against vibration and thermal swings.
Industrial Controllers: Seals PLCs, motor drives, and power tool boards from dust and moisture in factory settings.
Renewable Energy Systems: Protects solar inverters and wind turbine controllers for outdoor durability and fire safety.
Telecom Infrastructure: Encapsulates base station power modules and signal processors, boosting reliability in enclosed cabinets.

Directions for Use

Pre-potting Preparation: Calibrate scales, prepare potting tools, cleaning tools, check machine settings, check vacuum pump force, etc.
Product Pre-treatment: Place product on a level surface or fixture. Remove dust, clean, degrease, and dry if necessary.
Accurate Proportioning: Manual operation requires precise mixing according to the specified ratio and recording. Machine potting requires calibrated ratios and first-article confirmation is recommended.
Mixing & Stirring: Manual operation requires thorough stirring or using electric stirrers to ensure homogeneous mixing. Machine potting requires sufficient stirring speed, adjust as needed.
Uniform Potting: Manual operation should be done in small, multiple batches to ensure uniformity. Machine potting should follow the programmed path for quantitative dispensing.
Inspection or Secondary Potting: After potting, visually inspect as needed. Perform touch-up, bubble removal, or secondary potting if required.
Curing: Allow the potted and inspected products to cure at room temperature or with heat assistance (recommended 60°C if needed), according to product and process requirements.
Final Product Confirmation: Perform visual inspection and performance testing as required by the customer.

Packing

Hardener: Typically 5KG/10KG/25KG/200KG metal or plastic drums.
Resin: Typically 25KG/200KG metal or plastic drums.

Company Details

Bronze Gleitlager

Bronze Sleeve Bushings

and

Graphite Plugged Bushings

from Quality China Factory



Business Type:

Manufacturer 


Year Established:

2009 


Total Annual:

5000000-10000000


Employee Number:

200~300 


Ecer Certification：

Verified Supplier 

Baizhuang New Materials: Engineering the Future with Advanced Potting Solutions, Baizhuang New Materials is a leading Chinese manufacturer at the forefront of high-performance material innovation, specializing in two-component polyurethane and silicone potting compounds. Backed by over two decades o... Baizhuang New Materials: Engineering the Future with Advanced Potting Solutions, Baizhuang New Materials is a leading Chinese manufacturer at the forefront of high-performance material innovation, specializing in two-component polyurethane and silicone potting compounds. Backed by over two decades o...

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Guangzhou Baizhuang New Material Co., Ltd.
No. 8, Shangwei East Road, Shangtang Village, Shitan Town, Zengcheng District, Guangzhou City, Guangdong Province
https://www.pupotting.com/

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