Cold Traps
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Capture and condense vapors with cold traps to protect vacuum systems in chemical and analytical workflows
Simply put, these devices work to collect harmful vapors, or gas molecules, that are released during laboratory evaporation before they enter a vacuum pump. Cold traps are also designed to prevent pump back streaming, a process where oil vapors from the pump can enter back into the vacuum pumping system and affect its performance.
Because vapors naturally migrate to the coldest spot in an evaporation or concentration system, a cold trap—the coldest part of a system—essentially operate as a vapor trap, collecting any released vapors before they contaminate and damager your vacuum pump. Without a cold trap, your equipment and your team are at risk of being exposed to harmful vapors released during lab evaporation of various solvents.
Cold traps are typically lowered into a vacuum flask and placed before the mouth of a vacuum pump to force the stream of air through the mechanism. In order to capture vapors effectively, they typically use a coolant to chill a stainless steel or glass surface or baffle, where the vapors condense or sublimate on.
Cold traps are generally used in any high vacuum pumping system, and are especially useful in freeze dryers and cryopump systems.
Simply put, these devices work to collect harmful vapors, or gas molecules, that are released during laboratory evaporation before they enter a vacuum pump. Cold traps are also designed to prevent pump back streaming, a process where oil vapors from the pump can enter back into the vacuum pumping system and affect its performance.
Because vapors naturally migrate to the coldest spot in an evaporation or concentration system, a cold trap—the coldest part of a system—essentially operate as a vapor trap, collecting any released vapors before they contaminate and damager your vacuum pump. Without a cold trap, your equipment and your team are at risk of being exposed to harmful vapors released during lab evaporation of various solvents.
Cold traps are typically lowered into a vacuum flask and placed before the mouth of a vacuum pump to force the stream of air through the mechanism. In order to capture vapors effectively, they typically use a coolant to chill a stainless steel or glass surface or baffle, where the vapors condense or sublimate on.
Cold traps are generally used in any high vacuum pumping system, and are especially useful in freeze dryers and cryopump systems.
Why Biotech Teams Choose Excedr
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Leasing Built for Biotech Startups
Our program is designed specifically for life sciences—flexible, non-dilutive, and aligned with the needs of R&D-heavy teams.
Non-Dilutive Capital to Scale Faster
Leasing helps extend your runway without giving up equity. Fund your lab and hit key milestones without compromising ownership.
You Bring the Equipment—We Finance It
We don’t carry inventory. Once approved, you choose the exact equipment you need—we’ll structure the lease around it.
Fast Approvals for Fast-Moving Teams
Our startup-savvy process gets you approved in days—not weeks—so you can move at the pace of your science.
Terms That Match Your Timeline
Leases range from 2 to 5 years, tailored to your stage, equipment lifecycle, and budget.
Expert Support from Day One
We work directly with vendors and service providers to streamline logistics, repairs, and maintenance—so you don’t have to.
No Loan-Like Terms or Restrictions
Skip the covenants, collateral, and IP pledges. Our leases are founder-friendly by design.
Free Up Capital with Sale-Leasebacks
If you’ve already purchased equipment, we can buy and lease it back to you—converting upfront costs into flexible monthly payments.
Flexible Options at Lease-End
Choose to renew, return, or purchase at fair market value—no pressure, just options.
Popular Cold Trap Manufacturers
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