Grain Size Chart
Product Code : LSK-SM-10668
Grain Size Chart (SKU LSK-SM-10668) is a pocket-sized comparison chart with real sieved sediment grains mounted in recessed cavities, used by field geologists and students to describe the grain size of sand and sediment samples. The grains are graded to the Wentworth scale. It serves geology, civil engineering and TVET site investigation courses. Science Lab Supplies sends it from Ambala, India to colleges, tender contractors and distributors.
Specifications
The chart has recessed, die-cut cavities filled with sieved sedimentary particles that are permanently mounted, so each grain class stays in place for side-by-side comparison with a sample. Its classes follow the Wentworth grading system, and its pocket size makes it easy to carry on field trips.
| Parameter | Value |
|---|---|
| SKU | LSK-SM-10668 |
| Format | Pocket-sized chart |
| Reference samples | Sieved sedimentary particles in recessed die-cut cavities |
| Mounting | Permanent |
| Grading system | Wentworth |
| Typical users | Field geologists, students and site technicians |
| Supplied by | Science Lab Supplies, Ambala, India |
Applications and Experiments for the Grain Size Chart
Holding a sample beside the mounted grains, ideally with a hand lens, lets the user name its size class quickly and consistently. That is the first step in describing sands, silts and gravels in outcrops, trial pits and cores, and it supports field notes, sediment logs and sample labels.
- B.Sc. / M.Sc. geology: describing sedimentary rocks and loose sediments on field mapping courses.
- B.Tech / B.E. civil engineering: visual description of sandy soils before laboratory sieve analysis.
- TVET site investigation and survey modules: consistent soil and aggregate descriptions in field logs.
Standard Scope of Supply
The Grain Size Chart is supplied as a single unit as described above; any optional accessories are listed on the quotation. Class sets can be quoted in any number, and the geotechnical gauge or sand gauge chart can be added for a fuller field kit.
Packing, MOQ and Lead Time
Request a quotation for one chart or a full class set; it lists the packing, delivery time and price for the quantity you name. Related field charts and density kits can go on the same document, which helps when a field course needs a single TVET lab equipment supplier.
As a registered exporter with an Importer-Exporter Code, Science Lab Supplies can ship to buyers in Egypt, Iraq, Nigeria, Kenya, Ghana and Ethiopia. Science Lab Supplies is registered for GST (GSTIN 06ADEPJ0574F2ZU). Reach us on the contact page, shortlist items in the enquiry cart, or use the lab tender page for tender lists.
Frequently Asked Questions
What grading system does the chart use?
The mounted particles are classed according to the Wentworth grading system, the size scale geologists commonly use to name gravel, sand and silt fractions.
Are the grains real sediment or printed images?
Real. The cavities are filled with sieved sedimentary particles that are permanently mounted, so users compare their sample with actual grains rather than a picture.
Who supplies the Grain Size Chart?
Science Lab Supplies in Ambala, India supplies the chart to universities, colleges, training institutes, contractors and distributors, quoting single pieces or class quantities.
How is it different from the Sand Gauge Chart?
The Grain Size Chart focuses on Wentworth size classes shown by mounted grains. The Sand Gauge Chart adds particle shape panels, a field checklist and reference tables on its reverse.
Related Field Geology and Soil Description Tools
These Soil Mechanics items extend the chart into a field description kit: a sand gauge for shape as well as size, a larger soil classification card, and laboratory equipment to dry samples and confirm grading once they return from site.
- Sand Gauge Chart — adds roundness panels and a field checklist.
- Geotechnical Gauge — soil classification card with printed tables.
- Particle Size Analysis Test Set — hydrometer analysis of fine fractions.
- Laboratory Bench Oven — dries samples before testing.
Browse the full Soil Mechanics range or all TVET lab equipment.
Last updated: 25 September 2026
