1.Suitable for asphalt and polymer waterproof roll and other waterproof roll after static load puncture or impact of its penetration performance detection.
Stainless steel ball puncture tool :(φ 10±0.05) mm;
Hardness: HRC: 50
Weight of load bar: 2kG1
2.Load plate weight: 3KG1; 5 kg3 a
3.The working stroke of the ball puncture tool: 40±2mm |
