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Products
· Pure Tender Limestone for Chemical Industries
· Silica Sand or Glass and Fiberglass Industries
· Hard-crushed Aggregates for Concrete and Highways
· Ballast for Railway Track Construction
· Stone and Marble for Façades, Floors, and Monuments
· Clay for brick manufacture and for petroleum industry
Some of the technical specifications of our products are provided in the tables below. The properties shown here are typical values, not manufacturing specifications. Detailed “HF Quality” specs are a function of the industry sector we supply. Certificates of Analysis are part of our quality assurance program. For detailed enquiries, please write us.
| Table 1: HF-Limestone for the chemical industry |
| Parameter |
Range |
| CaCO3: |
> 95 to 98 percent |
| SiO2: |
< 2.0 to 1.0 percent |
| Fe2O3 / Ale2O3: |
< .30 to .15 percent |
| MgO: |
< .50 to .25 percent |
| H2O: |
< 1.0 to .4 percent |
| Grain Size: |
0 / 15mm, or to order |
| Hardness: |
LA Test |
> 47 percent |
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Mohs |
< 6 |
| Color: |
White to near-white |
* HF-aggregates from hard limestone and dolomite, for the construction industry:
| Table 2: Mechanical properties |
| Test |
Range |
| LA Test: |
< 19 to 22 |
| Table 3: Aggregate categories |
| Product |
Grain sizes (all in millimeters): |
| Crushed sand: |
0/3; 0/4; and 0/5 |
| Fine gravel: |
2/4; 2/5; 3/5; 3/8; or to order |
| Medium gravel: |
Gradations to spec's, between 4 and 15 |
| Coarse gravel: |
Gradations to spec's, between 10 and 25 |
| Crusher-run aggregates: |
0/15; 0/20; 0/30; or to order |
| Table 4: Other products |
| Product |
Characteristics |
| Masonry rock |
Quarried product, weatherproof |
| Heavy duty rip-rap |
For marine jetties and ports |
| Clay |
For red product manufacture |
| Gabès Redstone |
Decorative, cut |
| Silica Sand |
River bed, silicon |
| Earthfill |
Embankment grade |
| Topsoil |
Rich ag soil |
SERVICES
Hamdi-Frères provides services to numerous contractors and industrialists in Tunisia:
- logistics for international contractors, including office space, secretarial service, answering service, fax, phone, e-mail, and personnel transportation
- bulk loading and transportation
- storage space rental
- engine maintenance
- heavy and transport equipment rental
- manpower mobilization
- rock excavation and earth movement
- industrial cleaning
- building rehab
If your company needs any of these services, or just to request more info, please write us.
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