Hong Kong Testing Co., Ltd. provides physical testing of bituminous material according to
American Standard (ASTM) & General Specification for Civil Engineering Works

• Asphalt content
• Bulk specific gravity & density
• Mechanical size analysis
• Permeability of friction course material
• Percent air voids in compacted mixtures
• Polymer modified binder content and particle size distribution
• Quantitative extraction of bitumen from bituminous paving mixtures