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Encapsulated Polyurethane Potting Compounds Material For Pcb Electronic Components 6807 WT

Categories Polyurethane Potting Compounds
Brand Name: Bai Zhuang
Model Number: BZ-6807(WT)
Certification: UL File: E352175
Place of Origin: China
MOQ: 600KG
Price: Negotiable
Payment Terms: T/T,L/C,D/A,D/P
Supply Ability: 1000 Tons per Month
Delivery Time: 7 working days after payment
Packaging Details: Curing agent 6807 A for 5kg/10kg; Resin agent 6807 B for 25KG/200KG
Product Name: Polyurethane Potting Compounds
Color: White
Material Type: Polyurethane
Hardness: ShoreD 40 to 60
Thermal conductivity: 0.6 W/m·K
Application: Potting and encapsulation of electronic components
Mix Ratio: 1:5 (by weight)
Dielectric Strength: 18 to 25 kV/mm
Operating Temperaturerange: -40°C to 130°C
Waterproof: IP67
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Encapsulated Polyurethane Potting Compounds Material For Pcb Electronic Components 6807 WT

Heat-resistant Excellent Electrical Properties Polyurethane Potting Compounds

Product Description


BZ-6807(WT) Polyurethane potting compound is a white, heat-resistant, high-performance flame-retardant V0-grade polyurethane. This polyurethane boasts excellent electrical and mechanical properties, meeting the RTI 130°C heat resistance standard. It effectively fulfills the performance requirements for potting compounds in power modules, control boards, sensors, and general power electronic devices.

Key Product Features

  1. Two-part black polyurethane features a straightforward, hassle-free dispensing process. Boasting superior fluidity and permeability, it enables effortless pouring—compatible with both manual application and automated machinery.​
  2. Compliant with RoHS, REACH, and other eco-friendly standards, this product facilitates smooth international shipments. It meets the criteria for UL94-V0 flame retardancy and RTI-130℃ heat resistance, with UL Yellow Card Number: QMFZ2.E352175.​
  3. Offering strong adhesive properties, outstanding resistance to extreme temperatures and harsh weather conditions, the product also delivers exceptional electrical insulation and reliable mechanical performance.​

Technical Parameters

Parameters

Hardener

BZ-6807WT A

Resin

BZ-6807WT B

Before curing

Appearance

Brown liquid

White liquid

Viscosity(cps.25℃)

100-250

3000-5500

Initial mixed viscosity(cps.25℃)

1300±300

Density(g/cm³.25℃)

1.21±0.05

1.53±0.05

Mixing

&

Curing

Mix ratio(by weight)

A:B=1:5

Pot life 130±30g(min.25℃)

35±10

Curing condition

Room temperature curing

Surface drying time 30g(H.25℃)

3.5-5.5 H

Curing time 30g(H.25℃)

5-10 H

Curing time(Heated)

60℃ heated 1H

After curing

Color

White

Hardness (Shore D)

50±10

Temperature resistance(℃)

-40~130

Flame retardancy UL94

(Vertical burning)

V0

Thermal conductivity(W/m.k)

≥0.50

Water absorption(24H)

0.1%

Surface resistivity(Ω/sq)

≥1.0×1013

Volume resistivity(Ω.cm)

≥1.0×1013

Tensile strength(MPa)

≥3

Dielectric constant(at 50Hz)

≥6

Breakdown voltage(kV/mm)

20

Average Linear Coefficient of Thermal Expansion

149×10-6K-1

Comparative Tracking Index (CTI)

Ⅰ/600V

Product Applications


  1. Automotive Electronics: Excellent Electrical Performance, Vibration Resistance, Flame Retardant V0 Class, Heat Stability and Reliability
  2. Low-altitude aircraft: Low density can be combined with lightweight design, flexible materials, and waterproof IP68
  3. Sensor: low density, flame-retardant V0, low dielectric constant, and low-temperature resistant;
  4. Industrial controllers and control boards: Excellent high-temperature resistance, compliant with RTI 130 temperature rating standards, featuring high thermal conductivity and heat dissipation capabilities, with V0-class fire resistance.
  5. Other electronic products: Flame-retardant V0, UL Yellow Card, compliant with RTI 130 temperature resistance standard. Their outstanding electrical and mechanical properties meet most electronic products' requirements for high-performance materials.

Directions for Use

  1. Pre-potting Preparation: Calibrate scales, prepare potting tools, cleaning tools, check machine settings, check vacuum pump force, etc.
  2. Product Pre-treatment: Place product on a level surface or fixture. Remove dust, clean, degrease, and dry if necessary.
  3. 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.
  4. Mixing & Stirring: Manual operation requires thorough stirring or using electric stirrers to ensure homogeneous mixing. Machine potting requires sufficient stirring speed, adjust as needed.
  5. Uniform Potting: Manual operation should be done in small, multiple batches to ensure uniformity. Machine potting should follow the programmed path for quantitative dispensing.
  6. Inspection or Secondary Potting: After potting, visually inspect as needed. Perform touch-up, bubble removal, or secondary potting if required.
  7. 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.
  8. Final Product Confirmation: Perform visual inspection and performance testing as required by the customer.

Packing & Shipping & Storage

  1. Hardener: Typically 5KG/10KG/25KG/200KG metal or plastic drums.
  2. Resin: Typically 25KG/200KG metal or plastic drums.
  3. Store and transport as a general chemical product.
  4. Store sealed, protected from light at room temperature. Shelf life varies from 6 to 12 months depending on packaging; please refer to the expiry date on the shipping package.
  5. When temperature drops to 15°C or lower, the hardener or resin should be stored in a warm place or heated before use for potting. Specific heating recommendations depend on the temperature drop; please communicate and consult with us.

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