리소스
Field Guides
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Types of Hydraulic Oil and Where Each One Should Be Used
HM antiwear oil suits most systems, HV wide temperature swings, HFx fluids fire risk and HEx fluids leaks to water. See each hydraulic oil type and use.
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TSCA vs REACH: How US and EU Chemical Rules Differ in Practice
TSCA needs each substance on the EPA Inventory or cleared as new; REACH needs EU registration at 1 tonne or more a year. Compare the duties side by side.
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REACH vs RoHS: What Each Rule Means for Chemical Products
REACH covers almost every chemical, mixture and article sold in the EU; RoHS covers only restricted substances in electronics. See which duty applies.
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Epoxy vs Polyurethane Adhesive: Strength, Flexibility and Use
Epoxy adhesive suits rigid, strong, hot metal joints; polyurethane suits flexible joints under impact or vibration. Values, test methods, when to use each.
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How to Choose a Structural Adhesive for Bonding Metal Parts
Choose a toughened epoxy for high load or heat on metal and a methacrylate for oily or lightly prepared surfaces. Conditions, ranges, supplier questions.
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How to Choose Cutting Oil for Stainless Steel Machining
Use an extreme-pressure neat oil to tap and thread austenitic stainless steel, and a tested chlorine-free EP oil where chlorine is restricted. See table.
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Why Taps Break When Tapping Stainless Steel and How to Stop It
Tap breakage in stainless usually comes from work hardening, weak flank lubrication, chips packed in blind holes or too small a tap drill. Site checks.
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How to choose oil analysis tests for each industrial machine
Pick oil analysis tests by machine and failure mode: viscosity, elements, water and particle count as a base, then ferrous debris, RPVOT or MPC as needed.