RectorShield is a heat absorption paste for use on copper and other types of metal pipe. It helps prevent heat transfer damage to plastic faucet parts, sensitive controls, valves, and equipment during soldering, brazing or welding. RectorShield will not dry out, crack or separate during heating. It is easy to clean up, safe to use, environmentally friendly, non-staining, and odorless.

RectorSeal® RectorShield Heat Absorbing Paste, 11 oz, Tube, Paste, Tan, 1.06 Specific Gravity, 10 g/L VOC

• In comparison tests, rectorshield kept the protected side an average 22% cooler than other brands
• Does not splatter, drip, crack, dry out or separate and stays in place during heating
• Safe to use, non-staining and easy to clean-up
• Biodegradable and safe for the environment
• Works on copper, aluminum or iron and is noncorrosive
• May be used after being frozen and then thawed
• Odorless - no offensive fumes

• Catalog https://assets.unilogcorp.com/267/ITEM/DOC/RectorSeal_23631_Catalog.pdf
• SDS https://assets.unilogcorp.com/267/ITEM/DOC/RectorSeal_83554_SDS.pdf