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Electrical Barrier Material - Voltoid(R) D-800
Voltoid(R) D-800 is a resin-bonded cellulose fiber composite material. It is formulated for consistent electrical and mechanical performance under variable humidity and moisture conditions, and is recognized by UL for continuous use up to 105 C. Sealinfo: Voltoid D-800 - Gasket sealing solutions...
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Warnings Are Not Enough to Ensure User Safety from Generator Fires, Shocks, and Carbon Monoxide
with warning labels, the UL standard should require that hazards (1) be designed out, (2) be guarded against, and as a last resort, (3) be warned about. It is my opinion that this standard does not go far enough. Lanny Berke is a registered professional engineer and Certified Safety Professional...
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Electrical Barrier Material - Voltoid(R) S-350
Voltoid(R) S-350 is a cellulose-based electrical barrier and insulation material with a flame resistance rating meeting UL 94 V-0. Its combination of firmness and flexibility make it well suited for uses requiring part fabrication by creasing, cut scoring, forming, and printing. Sealinfo: Voltoid...
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Electrical Barrier Material - Voltoid(R) V-090
Voltoid(R) V-090 is a flame resistant electrical barrier material including a blend of organic and inorganic fibers, inorganic fillers, and a proprietary latex binder. It has a Glow Wire rating of 900oC and a flame rating meeting UL 94 5VA, making it suitable for use in demanding fire resistant...
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Key Considerations for Medical Device Design
solutions. Regulatory: *FDA, UL, IEC (Agency Requirements). *Creepage/Clearance/Isolation. *Patient Connect Requirements. *Patient Contact Requirements. Quality & Reliability: *Cleanliness. *Unique Test Requirements. *Materials & Process Traceability (Six Sigma CPK levels). *Minimized Process Variation...
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T1/E1/J1 Asymmetrical Protection (.pdf)
, TIA-968, and UL 60950. t1e1prot.pdf T1/E1/J1 Asymmetrical Protection. F1250T. A2106UC6. T1 Transceiver. 1. 2. TX. F1250T. P0080SA MC. 3. +130 volts. Loop current. power source. F1250T. -130 volts. 4. P0080SA MC. RX. 5. F1250T. 6. The A2106UC6 surface mount SIDACtor® device provides...
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Transformers: Frequently Asked Auestions
desired. In general, for a given VA rating, the larger the transformer size, the more efficient it will be. UL specifies various temperature levels based on a property called "thermal life" - the highest temperature the material can withstand without encountering degradation of its essential...
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Pack up! Pack Expo returns to Chicago
of Georgia-Pacific, Ernst & Young, WalMart Stores, General Mills, and Osram Sylvania. The Eye Opener Plenary Sessions are included at no additional charge to registrants of the Pack Expo conference. Show attendees not registered for the conference can still attend. Pack up! Pack Expo returns to Chicago...
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Letters - 11/08/2007
I agree with your editorial on engineering Masters' degrees versus MBAs ("What good is an MS?" Oct. 11), but I think you missed a bigger picture. Engineering as a profession is not looked upon with much respect by our society. Having practiced for over 30 years as a Registered Professional Engineer...
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Material and Process Selection, Controlling the Stretch, Industry Standards
process and material. A rubber mold consists of two or more custom-tooled steel plates carefully registered to ensure consistent close tolerances and appropriate surface finish. The line where the two molds meet is called the parting line. Sometimes the presence of a parting line is objectionable...