Sample name | PC sheet | Sample appearance | Transparent | |||
Sample specification | 5mm | Production date | 2023/5/16 | |||
No | Item | Requirement | Test result | Assessment | Test method | |
1 | t ensile yield strength , MPA | horizontal | ≥55 | 67.2 | conform | JG/T 347-2012.7.4.1 |
vertical | ≥55 | 67.7 | conform | JG/T 347-2012.7.4.1 | ||
2 | nominal tensile strain at break % | horizontal | ≥60 | 67 | conform | JG/T 347-2012.7.4.1 |
vertical | ≥60 | 62 | conform | JG/T 347-2012.7.4.1 | ||
3 | t ensile elastic modulus , MPA | horizontal | ≥2200 | 2.36 X 10 3 | conform | JG/T 347-2012.7.4.1 |
vertical | ≥2200 | 2.4 X 10 3 | conform | JG/T 347-2012.7.4.1 | ||
4 | n otched/ u n-notched c harpy i mpact s trength ,KJ/m2 | horizontal | ≥6 | 11.8C | conform | JG/T 347-2012.7.4.2 |
vertical | ≥6 | 10.2C | conform | JG/T 347-2012.7.4.2 | ||
5 | dimensional change on heating % | horizontal | ≤ 5 | 0.615 | conform | JG/T 347-2012.7.4.7 |
vertical | ≤ 5 | 3.36 | conform | JG/T 347-2012.7.4.7 | ||
6 | thermal expansion coefficient , ºC | horizontal | ≤ 7.5 × 10 -5 | 6.13 × 10 -5 | conform | JG/T 347-2012.7.4.8 |
vertical | ≤ 7.5 × 10 -5 | 6.02 × 10 -5 | conform | JG/T 347-2012.7.4.8 | ||
7 | h eat distortion temperature , ºC | ≥ 130 | 134 | conform | JG/T 347-2012.7.4.6 | |
8 | light transmittance (5mm), % | / | 87.0 | actual measured value | JG/T 347-2012.7.4.9 | |
Inspector | XIN JIN | |||||
Co -inspector | ZHAO YANXIA LIU ZHANGSUO |