Features: OOTDTY This band heater electric copper-brass heating ring totally enclosed for injection-molding machine nozzle is a must have for anybody attempting to efficiently and effectively heat cylindrical parts. Featuring a secure ceramic-connection for wiring and anti-rust brass band, this heating ring is both sturdy and reliable. Ideal-for individuals in the production industry, specifically these using injection-molding machines. Perfect to be used in enterprise settings where cylindrical elements ought to be heated, comparable to factories and manufacturing lines. With its tremendous materials and high quality heating capabilities, this electrical copper-brass heating ring is definite on your expectations. Specifications: Material:Metal Size:Approx Size:Approx Size:Approx Size:Approx Ambient-temperature: -20℃ ~ +60℃ Electrical strength: it is going to resist verify of sinusoidal alternating current with of 1500V/50HZ, and there is no breakdown phenomenon for 1MIN. Leakage current: < 5MA Cold insulation resistance: > 50MΩ Grounding resistance: < 10Ω Power: 400W Power deviation: 10% Temperature resistance: the-surface temperature installed on the machine can reach 500℃ without burning. Package Includes: 1x Heating Ring Note: ① allow 1-2cm errors due to instruction manual measurement, just remember to don't mind earlier than you order. ② to the variation between different monitors, the image won't replicate the actual coloration of the item. Thanks on your understandings.