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Compaction Factor Test Apparatus
Compaction Factor Test Apparatus (Product Code: SLE/CE/08) is a concrete workability test set used to compare how densely fresh concrete packs under its own weight with how it packs when fully compacted, in civil engineering laboratories and site labs. It is particularly suited to low-workability mixes, and the listed set includes trowels, a 15.2 cm hand scoop, a 1.6 cm x 61 cm rod rounded at one end and a balance. It is made by Jain Scientific Equipments Pvt Ltd (ScienceLab), an OEM supplier of engineering educational equipments in India, at its own factory in Ambala.
Specifications
| Parameter | Detail |
|---|---|
| Trowels | Included in the listed set |
| Hand scoop | 15.2 cm long |
| Rod | Steel or other suitable material, 1.6 cm diameter, 61 cm long, rounded at one end |
| Balance | Included in the listed set, for weighing the concrete |
| Scope of supply | Confirm the complete scope, including the main test assembly, in your quotation |
| Product code | SLE/CE/08 |
| Manufacturer | Jain Scientific Equipments Pvt Ltd (ScienceLab) — OEM |
| Country of origin | India (made in Ambala, Haryana) |
What Is the Compaction Factor Apparatus Used For?
Stiff concrete for pavements, precast units or heavily vibrated sections often shows almost no slump, so the slump cone cannot tell one mix from another. The compaction factor test solves this by letting the concrete fall under gravity into a container, weighing it, and then weighing the same container filled with fully compacted concrete. The ratio of the two weights is the compaction factor: the closer it is to one, the more workable the mix.
The hand scoop loads the concrete, the trowels strike off the surplus level with the container rim, the rod compacts the concrete for the full-compaction reading, and the balance provides both weights. Keep all surfaces clean and damp but free of standing water, and complete each test promptly so the concrete does not stiffen between steps.
OEM Manufacturer
Jain Scientific Equipments Private Limited, which trades as ScienceLab, is the OEM (original equipment manufacturer) of this compaction factor test apparatus. It is produced at the company's own licensed factory at Saha, Ambala, Haryana, India, and supplied factory-direct to engineering colleges, polytechnics, construction laboratories, dealers and importers rather than through a chain of traders.
Working with the maker keeps things simple after delivery too: questions about replacement scoops, rods or other parts and repeat orders go straight to the manufacturer — ask us. See the ScienceLab company profile for more.
Related Civil Engineering Lab Equipment
Other workability tests often run alongside compaction factor:
- Slump Test Apparatus — the standard check for medium and high workability.
- Vee Bee Consistometer — times vibration for very stiff mixes.
- Flow Table — measures the flow of fresh mortar.
- Scoops — spare scoops in several capacities for sampling.
See the complete Civil Engineering Lab Equipment range.
Frequently Asked Questions
What does the Compaction Factor Test Apparatus measure?
The Compaction Factor Test Apparatus measures the workability of fresh concrete as the ratio between the weight of concrete compacted under its own falling weight and the weight of the same volume fully compacted. Values closer to one indicate a more workable mix.
What is included with the Compaction Factor Test Apparatus?
The listed set for the Compaction Factor Test Apparatus includes trowels, a 15.2 cm hand scoop, a 1.6 cm x 61 cm rod rounded at one end, and a balance. Please confirm the complete scope of supply, including the main test assembly, in your quotation.
What is the rod in the set used for?
The rod in the Compaction Factor Test Apparatus, 1.6 cm in diameter and 61 cm long with one rounded end, is used to compact the concrete fully for the second weighing. It is made of steel or another suitable material.
When should I use compaction factor instead of a slump test?
The Compaction Factor Test Apparatus is the better choice for low-workability concrete that shows little or no slump, because it still separates mixes by how well they compact. For medium and high workability, the slump test is usually quicker.
Who manufactures the Compaction Factor Test Apparatus?
The Compaction Factor Test Apparatus is manufactured by Jain Scientific Equipments Pvt Ltd (ScienceLab), the OEM, at its own licensed factory at Saha, Ambala, Haryana, India, and supplied factory-direct to institutions, laboratories, dealers and importers.
What should I include in a quotation request?
For the Compaction Factor Test Apparatus, tell us the number of sets, the delivery city or port, and any standard your laboratory follows so the scope of supply can be confirmed. Send details through the contact page.
Request a Quote
Request a factory-direct price for the Compaction Factor Test Apparatus on the contact page, or add it to the enquiry cart. The quotation comes straight from the manufacturer in Ambala.
Last updated: 24 September 2026
