Excellent Electrical Properties UL94-V0 Polyurethane Potting
Compounds
Product Description
BZ-6800 polyurethane potting compound is a UL94-V0 certified
polyurethane material (UL No.: QMFZ2.E352175). It complies with RoHS/REACH standards, featuring excellent
structural strength, superior adhesion to substrates, outstanding
mechanical properties, and superior electrical performance. This
compound is widely used as a potting material in electronic
products and electrical equipment.
Key Product Features
- Low viscosity, suitable for both manual and machine use;
- Tolerant to low and high temperatures;
- Excellent electrical insulation and stability;
- Excellent flame retardancy with UL94-V0 rating;
- Excellent waterproof and moisture-proof properties with extremely
low water absorption rate;
- It has good adhesion to common plastics and metals.
Technical Parameters
Parameters | Hardener BZ-6800(BK) A | Resin BZ-6800(BK)B |
Before curing | Appearance | Brown liquid | Black liquid |
Viscosity(mPa·s.25℃) | 150±100 | 3750±1250 |
Initial mixed viscosity(mPa·s.25℃) | 1350±350 |
Density(g/cm³.25℃) | 1.15±0.05 | 1.52±0.05 |
Mixing&Curing | Mix ratio(by weight) | A:B=(20~25):100 |
Pot life 130±30g(min.25℃) | 25±10 |
Curing condition | Room temperature curing |
Surface drying time 30g(H.25℃) | 6-8.5 |
Curing time 30g(H.25℃) | 9-13 |
Curing time(Heated) | 60℃ heated 1-2H |
After curing | Color | Black |
Hardness (Shore A) | 40-55 |
Temperature resistance(℃) | -40~120℃ |
Flame retardancy UL94 (vertical burning) | V-0(3mm) |
Water absorption(24H) | ≤0.5% |
Thermal conductivity(W/m.k) | ≥0.5 |
Surface resistivity(Ω/sq) | ≥1.0×1013 |
Volume resistivity(Ω.cm) | ≥1.0×1013 |
Tensile strength(MPa) | ≥3 |
Elongation at break(%) | ≥50% |
Dielectric constant(at 50Hz) | ≥6 |
Breakdown voltage(kV/mm) | ≥18 |
Product Applications
- Communication Equipment.
- Power Tools.
- Controllers.
- Modules.
- LED Power Supply.
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 & Shipping & Storage
- Hardener: Typically 5KG/10KG/25KG/200KG metal or plastic drums.
- Resin: Typically 25KG/200KG metal or plastic drums.
- Store and transport as a general chemical product.
- 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.
- 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.
