GB 23441-2009Self-adhering polymer modified bituminous waterproof sheet (English PDF)

National Standard of the People's Republic of China

ICS

91.120.30

Classification

Q17

Issued by: General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China

Contents

• 2 Normative references
• 3.1 Types
• 3.2 Specifications
• 3.2.2 Coil nominal area of 10m2,15m2,20m2,30m2.
• 3.2.4 Other specifications agreed upon by both supply and demand.
• 4 Requirements
• 4.1.2 N type mass per unit area, should be consistent with the thickness specified in Table 1.
• 4.1.3 PY-based mass per unit area, thickness shall be as specified in Table 2.
• 4.2 Appearance
• 4.3 Physical and mechanical properties
• 4.3.1 N web-based physical and mechanical properties to be shown in Table 3.
• 4.3.2 PY web-based physical and mechanical properties should meet the requirements in Table 4.
• 4 Low temperature flexibility/℃
• 11 Thermal Stability
• 5 Test methods
• 5.1 Preparation of test piece
• 1 Tensile properties 100 × 25 5 each aspect
• 11 Thermal Stability of 300 × 300 1
• 2 Tensile Properties (250 ~ 300) × 50 5 each aspect
• 5.5 Appearance
• 5.7 Tensile properties
• 5.7.1 N-based web
• 5.7.2 PY class web
• 5.9.1 N-based web
• 5.9.2 PY class web
• 5.10 Low temperature flexibility
• 5.13.1 Preparation of test piece
• 5.13.2 Test Procedure
• 5.13.3 Evaluation of results
• 5.16 Thermal Aging
• 5.16.1 N type web
• 5.16.2 PY class web
• 5.17 Thermal Stability
• 6 Inspection Rules
• 6.1 Inspection Classification
• 6.1.2 Type inspection
• 6.2 Batch
• 6.3 Sampling