Overview
IN-FIELD REPAIR
Fix transformers in the field, often without having to shut down service
STRONG MOISTURE SEAL
Protects transformers from accelerated aging
HIGH-PRESSURE RESISTANCE
Seals leaks on the largest oil-filled and GIS systems
STRONG MATERIAL ADHESION
Bonds to steel, copper, porcelain, lead, and other common electrical substrates
DIELECTRIC COMPATIBILITY
Reduces partial discharge of oil and solid insulation
Related Resources
Product Information
SDS – Cartridge Kit
SDS – Paste Kit
SDS – Slow Cure
Product Flyer (EP & EPCT)
Technical Information
Technical Data Sheet (EP & EPCT)
Technical Brief (EPSC)
Application Instructions (EPCT)
Application Instructions (EPCT 50ml)
Application Instructions (EP)
Application Instructions (EPSC)
Polywater PowerPatch Coverage Sheet
Polywater® PowerPatch® Transformer Leak Repair System
How to stop active leaks in oil filled or SF6 gas transformers using Polywater® PowerPatch®
Product Notes
- Compatible with electrical insulating oils. PowerPatch transformer seal repair is aged for 164 hours at 100 °C to pass ASTM D3455. It shows very little change in oil quality.
- Good adhesive strength and impact resistance as tested by ASTM D1002 and ASTM G14.
- Holds continuous oil pressure, 100 psi (0.69 MPa) for one month.
- Retains strength after exposure to dielectric fluids, oils and gases.
- Non-conductive. Dielectric strength is 469 Volts/Mil tested by ASTM D149.
- In Service Temperature Use Range: -40°F to 300°F (-40°C to 150°C).
- Can repair active leaks.
- Available in convenient kits.
- Prevents galvanic corrosion.
- Usable on vertical and inverted surfaces. No sagging.
Catalog Information
| Catalog # | Package description | Units/Case |
|---|---|---|
| EPCT-KIT1 | 2 PowerPatch 2-part cartridges with 4 static mixers |
1 |
| EPCT-KIT1G* | 1 EPCT-KIT1 with application tool TOOL-50-11 *Sold in the US only |
1 |
| EPCT-KITB6 | A box with 6 EPCT-KIT1 |
1 |
| EPCT-KITB6G* | 6 EPCT-KIT1’s with application tool TOOL-50-11 *Sold in the US only |
1 |
| TOOL-50-11 | 1 application tool to dispense cartridge packages |
1 |
| EPCT-250KIT1 | 1 PowerPatch 2-part 250-ml cartridge with 3 static mixers |
1 |
| TOOL-250 | 1 – high-ratio caulking gun |
1 |
| EP-KIT11 | 1 sealed plastic bag with 2-part sealant (part A & B) |
1 |
| EP-KITB6 | 6 sealed plastic bags each containing 2-part sealant (part A & B) |
1 |
| EP-KITB12 | 12 sealed plastic bags each containing 2-part sealant (part A & B) |
1 |
| EP-KIT51 | 6 sets 2-part sealant (part A & B) |
1 |
| EPSC-KIT1 | 1 sealed plastic bag with 2-part sealant (part A & B) |
1 |
| EP-STICK4 | 1 putty stick (7-in / 177-mm) |
1 |
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