Oil Contamination in Vacuum Coating: Is the Diffusion Pump Fluid Always Responsible? Surface cleanliness is important in optical coating and other high-vacuum manufacturing processes. W......
2026-10-12Choosing Fluorosilicone Oil for Industrial Lubrication and Damping: What Should You Check? Industrial lubrication and damping systems require fluids that match the operating conditions of the......
2026-10-10Why Do Molded Rubber Parts Show Oily Residue After Release? A rubber or plastic part can be removed from its mold successfully, yet still show an unwanted oily film on its surface. This......
2026-10-08PVMQ Inquiry: Does the Customer Need Phenyl Silicone Gum or a Ready Compound? A customer asks: “We need phenyl silicone rubber.” That is useful information—but it is not enough to......
2026-09-30When Should Phenyl Silicone Fluid Be Considered for High-Temperature Lubrication? Silicone fluids are widely considered for industrial lubrication, damping and other applications requiring us......
2026-09-29A Seal Becomes Hard at Low Temperature — Is the Seal Design Always the Problem? A seal performs normally at room temperature. But after entering a low-temperature environment, it begins......
2026-09-28Vacuum Performance Is Dropping: Is It Time to Replace the Diffusion Pump Oil? After a vacuum coating or other high-vacuum system has operated for some time, a user may notice: Pump-down......
2026-09-24Coating Craters or Poor Wetting: Is More Silicone Additive Always the Answer? When craters, poor wetting or an uneven surface appear after coating application, one reaction may be: “Let......
2026-09-23Why Does Vacuum Coating Equipment Need a Dedicated Diffusion Pump Oil? In vacuum coating and other high-vacuum processes, diffusion pump oil may sometimes be considered simply as: “a si......
2026-09-22When Should Fluorosilicone Oil Be Considered for Industrial Lubrication? When selecting a silicone fluid for lubrication, one of the first questions is usually: “What viscosity do I nee......
2026-09-21Is Phenyl Content Enough When Sourcing PVMQ Silicone Gum? When sourcing PVMQ, one of the first specifications provided is often: “We need PVMQ with a certain phenyl content.” Phen......
2026-09-20Why Is Maximum Temperature Not Enough When Selecting Silicone Rubber for Thermal Cycling? When selecting silicone rubber for demanding temperature conditions, one of the first questions is of......
2026-09-20Why Is Hardness Not Enough When Selecting Silicone Rubber for Long-Term Sealing? When selecting silicone rubber for seals, hardness is often one of the first specifications discussed. A......
2026-09-18Why Can Two 100 cSt Silicone Oils Behave Differently at Low Temperature? When selecting silicone oil, buyers often start with viscosity. For example, if two silicone oils are both rated......
2026-09-17Why Does Silicone Rubber Become Harder at Low Temperature? A customer may notice: “Our silicone rubber becomes much harder in the cold. Does that mean we selected the wrong material?” ......
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