Sintered Stone vs Granite
| Parameter | Sintered stone | Granite |
|---|---|---|
| Tahan panas | 1.200 C, tidak berubah warna | Tahan panas, perlu dicek per jenis |
| Kekerasan | Mohs 6-7 | Mohs 6-7 |
| Penyerapan air | Di bawah 0,2 persen | Rendah, tetapi perlu sealant berkala |
| Ketebalan tersedia | 6 / 9 / 12 / 15 / 20 mm | Umumnya 20-30 mm |
| Paparan luar ruang | Tahan UV | Tahan UV |
Sintered stone values come from the manufacturer specification. Values for the compared material are general and vary by product.
Granite is quarried; sintered stone is manufactured under pressure and heat. That single difference explains most of the practical ones.
The short answer
Granite is a natural material with unique slabs and a need for periodic sealing. Sintered stone is engineered, absorbs under 0.2% water, needs no sealing, and allows a pattern to be planned across several slabs. For a large kitchen island where the veining has to line up, sintered stone is easier to specify. For a project that wants the unpredictability of natural stone, granite remains the honest choice.
| Property | Sintered stone | Granite |
|---|---|---|
| Origin | Manufactured: pressed and fired | Natural: quarried block, sawn into slabs |
| Water absorption | Under 0.2% | Typically 0.2–0.6%, varies by stone |
| Sealing | Not required | Periodic sealing recommended |
| Heat resistance | Rated to 1,200°C | High, but can crack from thermal shock |
| Pattern consistency | Repeatable across slabs | Every slab unique; matching is difficult |
| Staining | Grade 5 stain resistance | Depends on porosity and sealing |
| Repair | Chips repaired by a fabricator; pattern cannot be matched precisely | Chips can be repaired, colour may differ |
| Best for | Large islands, bookmatch walls, project consistency | Statement slabs, traditional kitchens, natural look |
Where granite still wins
When the design intent is a genuinely unique slab, granite delivers something a manufactured surface cannot. It is also familiar to fabricators and clients, which matters in projects where approval cycles are long.
Where sintered stone is the better specification
Large islands, bathroom walls, hotel and retail projects needing consistency across floors, and any application where sealing is unrealistic. If the same surface has to appear in forty units, a manufactured material is the only way to guarantee the match.
Cost comparison
The slab price is not the whole comparison. Sealing, maintenance and replacement of a stained slab add to the lifetime cost of natural stone, while fabrication and delivery apply to both. A like-for-like comparison uses the same cutting plan and edge detail.
Frequently Asked Questions
Short answers for homeowners and project teams in Indonesia.
Is sintered stone better than granite for a kitchen?
For heat and stain resistance with no sealing, yes. For a unique natural slab, granite is still the right choice.
Does granite need sealing?
Usually yes, periodically, depending on porosity. Sintered stone does not.
Can sintered stone imitate granite?
Veining and colour can be developed to resemble granite, but an exact match to a specific natural slab is not guaranteed.
Which is more expensive?
It depends on the slab and the fabrication. Compare using the same drawing, edge detail and delivery scope.
What are the differences between sintered stone and granite?
Granite is natural, so every slab differs and sealing is required periodically. Sintered stone is manufactured under heat and pressure, absorbs under 0.2%, needs no sealing, and allows a pattern to be repeated across slabs for large islands and bookmatch walls.
See the slabs at full size before you decide.
ALTARA Gallery, Kapuk, Jakarta Barat. Open daily 10.00–18.00 WIB. Message us first and the slabs you are considering will be pulled out before you arrive.