Polyurethane lab chairs

r+™ technology. Tough skin, soft landing.

Puncture-resistant seat cover on the outside, supportive cushioning on the inside. That’s r+™ technology at work.

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Shifts happen. Why r+?

Lab seating takes a beating. From tears to contamination risks, r+ technology delivers the comfort, cleanliness, and durability that today’s technical spaces demand, solving challenges most covers simply weren’t built for.

What makes r+ different:

  • 1/8” thick polyurethane cover resists tears, punctures, and abrasion
  • 3” molded foam cushions every shift with consistent support
  • Textured, non-slip surface supports forward-leaning posture
  • Seamless design prevents contamination and cleans fast
  • Resistant to harsh chemicals, disinfectants, and daily scrub-downs

Lean in. Stay put.

Twisting, reaching, shifting—lab work isn’t static. We developed—and patented—r+ polyurethane lab chairs that keep up. Its subtle, non-slip texture supports active posture and forward-leaning work, reducing strain and keeping users steady. r+ is comfort and control, designed for how people actually sit, lean, and work.

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Where work moves fast, so does r+.

Durability that holds up. Comfort that holds on. r+ polyurethane lab chair covers support high-use, high-stakes environments where seating takes a beating and performance can’t slip.

You’ll find r+ in:

Our r+ Chairs

Same patented cover. Different forms of function. Choose the fit that moves like the work does. 

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Fusion r+

The chair that sets the standard for versatility in Med-Tech environments.

Shop Fusion r+ 
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Fusion Round Stool r+

Wider arc of movement, still with flexible ease and comfort.

Shop Fusion Round Stool r+ 

High standards. Higher trust.

Trusted by med-tech, diagnostics, and life sciences leaders for seating that holds up when it matters most.

Explore how Cramer r+ seat covering performs in high-demand healthcare environments, where every detail matters.

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Modern infrastructure meets an interdisciplinary science hub.

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Experimental Sciences Building II

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Fusion round stool

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Build your own

If you don’t see a configuration
you like, let’s build one for you.

Start building 

Get support beyond the seat.

We keep things simple: reliable, thoughtful, always-on.

Contact Cramer