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18

18"x20" Ergonomic Study Chair - OEKO-TEX & CertiPUR-US Certified (Light Gray) 79640570

USD $85.00

color Light Gray

  • Light Gray

Order summary

18"x20" Ergonomic Study Chair - OEKO-TEX & CertiPUR-US Certified (Light Gray)
85.00
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Material & Safety

  • AirGrid mesh backrest (OEKO-TEX Standard 100 ID: XXXXXX)
  • High-density foam seat (CertiPUR-US® certified, 4.5 lbs/ft³ density)

Technical Specifications

  • Seat dimensions: 18" W x 20" D x 17"-21" H (45 x 51 x 43-53 cm)
  • Weight capacity: 250 lbs (113 kg) (BIFMA X5.1 tested)
  • Foam durability: 80,000 compression cycles (ASTM D3574)
  • Tilt range: 90°-120° lockable (EN 1335-2 ergonomic standard)

Functional Design

  • 3D lumbar support with 2.5" vertical adjustment
  • Non-slip nylon base (0.62 friction coefficient via ASTM D1894)
  • Breathable mesh reduces heat buildup by 30% (ISO 7730 thermal comfort test)

Color & Finish

  • Light Gray: AZO-free dye (ISO 105-B02 UV-resistant)
  • Chromium-free steel frame (REACH Annex XVII compliant)

Usage & Maintenance

  • Clean mesh with pH-neutral solution (6-8 pH)
  • Lubricate gas lift every 18 months with SAE 20 oil
  • Maintain 18" clearance from radiators (>140°F)

Package Contents
1 chair + assembly tools + multilingual manual

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