About GRDC

• QM Policies
• Transportation Guide

Applying Test

• How to request a Test
• Test Items
• Accreditation Items of KOLAS

Test & Analysis

• Mechanical Analysis
  • Density
  • Softening Point
  • Annealing Point / Strain Point
  • High Temperature Viscosity
  • Thermal Expansion Coefficient
  • Liquidus Temperature
  • U value
• Optical Properties Test
  • Spectral Characteristics
  • Colors
• Quality Evaluation
  • 창세트
  • Sealed Insulation Glass
  • Mirror Glass
  • 창유리용필름
  • 접합유리(안전유리)
  • 강화유리
  • 배강도유리
  • 기타유리제품