Testing Products

Building Doors and Windows

Reflective Thermal Insulation Materials

Energy-Efficient Materials

On-Site Energy Efficiency

Testing Items 

Air Permeability, Watertightness, Wind Load Resistance, Thermal Insulation Performance, Sound Insulation Performance

Hemispherical Emittance, Solar Reflectance, Near-Infrared Reflectance, Solar Reflectance after Soiling, Change Rate of Solar Reflectance after Soiling

Density, Thermal Conductivity, Moisture Content, Water Absorption, Water Repellency, Short-Term Water Absorption, Long-Term Water Absorption, Vacuum Water Absorption Rate, Compressive Strength, Tensile Strength Perpendicular to Faces, Tensile Bond Strength, Workable Time, Tensile Breaking Force, Alkali-Resistant Breaking Force Retention Rate, Elongation at Break, Volume Water Absorption, Standard Value of Anchor Tensile Load-Bearing Capacity, Reaction to Fire, Oxygen Index, Electrical Resistance, Thermal Transmittance and Thermal Resistance

Field Air Permeability of External Doors/Windows, Field Watertightness of External Doors/Windows, Pull-Out Test for Insulation Anchors, Structure of Insulation Layer, Field Thermal Transmittance or Thermal Resistance of External Walls, Thermal Irregularities, Inner Surface Temperature of Thermal Bridges in the Building Envelope

Testing Standards

Aluminum alloy doors/windows, plastic doors/windows, glass fiber reinforced polyurethane energy-saving doors/windows, aluminum-wood composite doors/windows: GB/T 8478, GB/T 28886, JG/T 571, GB/T 29734.1

Reflective thermal insulation materials laboratory testing, reflective thermal insulation material finish layer field testing: JG/T 235, GB/T 25261, GB/T 9780, DG/TJ 08-2038

Expanded polystyrene boards, extruded polystyrene boards, foam glass boards, rock wool boards, inorganic insulation mortar, vacuum insulation panels, composite boards, glass wool boards, interface mortar, anti-cracking mortar, bonding mortar, basecoat mortar, fiberglass mesh, anchors, flexible elastomeric foam insulation products, wires and cables, lamps, fan coil units, heat recovery ventilators: GB/T 10801.1, GB/T 10801.2, JC/T 647, GB/T 17794, GB 8624, GB/T 19686, GB/T 24908, GB/T 19232, GB/T 21087

External doors/windows performance, insulation system, building envelope: GB 50411, DG/TJ 08-2038

Service Advantages

Over 20 years of specialized experience in energy efficiency testing.

Comprehensive range of tested energy efficiency product types and parameters.

Participated in the drafting of multiple technical standards, including DG/TJ 08-2038-2021, DG/TJ 08-2433A-2023, DG/TJ 08-2433B-2023.