- 4 June 2023
- 13:51
- مدیر سایت (P.A)
- No Comments
Definition of bitumen penetration grade 40/60Bitumen Penetration Grade 40/60 is a standard penetration grade Bitumen usually used as ...
- 4 June 2023
- 12:24
- مدیر سایت (P.A)
- No Comments
Definition of bitumen penetration grade 100/150Bitumen Penetration Grade 100/150 is a standard penetration grade Bitumen usually used as ...