Clay block «Trakia 25/38»
Trakia Keramika
Made in Bulgaria
Compressive strength
10 N/mm²
Good
Thermal conductivity λ
0,23 W/(m·K)
Good
Carbon footprint
3,4 kg CO₂e
Average
Harmful substances
None Good
Manufacturer (economic operator)
Trakia Keramika OOD, Plovdiv
Product type
Clay masonry unit, LD (for protected masonry)
Harmonised standard
EN 771-1:2011+A1:2015
Intended use
Load-bearing and non-load-bearing rendered walls (protected masonry)
Unique identifier
GTIN 03800123456789 · DPP-TK-2538-LD
Declaration of Performance and Conformity (DoPC)
№ TK-DoPC-2026-0250 · 15.03.2026
CE
Assessment system (AVCP)
System 2+ · Notified body No. 2032
EU Digital Product Passport Registry
Registered · proof of registration available
✓
The DoPC is the data spine of the passport. Under Regulation (EU) 2024/3110 (CPR) the declared essential characteristics, environmental indicators and instructions are carried in the digital passport — the CE marking is retained.
10
N/mm²
Compressive strength (category I)
0,23
W/(m·K)
Thermal conductivity λ<sub>10,dry</sub>
A1
Euroclass
Reaction to fire (non-combustible)
780
kg/m³
Gross dry density (D1)
Dimensions and tolerances
250 × 380 × 238 mm · T2 / R1
Configuration and void volume
Group 2 · 52 % vertical perforations
Freeze/thaw resistance
F0 — for protected masonry
Active soluble salts
S0
Water absorption
NPD — not applicable to protected masonry
Initial shear strength
0.15 N/mm² (tabulated value, M5–M10 mortar)
Water vapour permeability μ
5/10 (tabulated value, EN 1745)
Declared values are taken from DoPC No. TK-DoPC-2026-0250. Test reports are available to market surveillance authorities.
Clay (own quarry, 12 km from the plant)
89%
Sand and grog (ground ceramic rejects)
8%
100% recycled
Pore-forming agent — sawdust (burns out during firing)
3%
Recycled content: 8% — all ceramic rejects from production go back into the mix. Natural raw materials from ≤ 40 km.
3,4kg CO₂e
GWP-total per block, modules A1–A3 · ≈ 150 kg CO₂e/m³ of masonry
15,9
MJ non-renewable energy (PENRT)
1,8
litres of water (FW)
GWP-fossil
3,35 kg CO₂e
GWP-biogenic
−0,01 kg CO₂e
GWP-luluc
0,02 kg CO₂e
What the CPR requires, and when: GWP — already declared; the core environmental indicators (ozone, acidification, eutrophication, water) become mandatory from 9 January 2030; the full life-cycle set from 9 January 2032. This EPD already contains them.
Methodology: EN 15804:2012+A2:2019 · scope A1–A3 (cradle-to-gate) with modules C1–C4 and D · declared unit: 1 block (16.4 kg) · third-party verified
This product does NOT contain substances of very high concern (SVHC) under REACH
Natural radioactivity: activity concentration index I = 0.4 (limit 1 under Directive 2013/59/Euratom)
Volatile organic compounds: none — fired at 950 °C
Chromium VI, asbestos, heavy metals: not present
Crystalline silica: dust only when cutting or grinding — wet cutting and an FFP2 mask
SCIP database: no notification required (no SVHC above 0.1 %)
Laying
M5–M10 or thin-layer mortar; bed joints 10–12 mm; perpend joints tongue-and-groove, unmortared
Storage and transport
On pallets (60 pcs, 984 kg), covered, on a level base; do not stack more than 2 pallets high
Cutting and working
Wet cutting with a diamond blade; FFP2 dust mask; eye protection
Expected service life
≥ 100 years
Reuse
Yes — with selective demolition
Recyclability
95 % — grog, drainage layer, surfacing
Waste class
Inert · EWC 17 01 02
CE marking · DoPC
Valid ✓
EPD (EN 15804+A2)
Valid ✓
ISO 9001:2015
Valid ✓
ISO 14001:2015
Valid ✓
Regulation (EU) 2024/3110 (CPR) — DoPC and digital passport under Chapter X
EN 771-1:2011+A1:2015 — clay masonry units
REACH — no SVHC
Need more information?
For professionals
Designers, contractors, merchants, recyclers
For regulatory authorities
Via European Digital Identity