01VR-CAT-MON-2026-02
ZVEZDA · OPAL · K · C · PLASTIK
Monolithic (unshaped) refractory materials
Dense and insulating castables, gunning mixes, repair mixes, mortars and ramming mixes.
Open technical catalogue ↗TECHNICAL DOCUMENTATION · REV 02/2026
Data before assumptions.
A structured review of the Volcano range with three catalogues and an individual technical record for every grade. Archived values, catalogue data and source boundaries are presented separately.
CATALOGUES · REV 02/2026
One standard. Three technical scopes.
02VR-CAT-SHP-2026-02
PORIT · SA · SKO · VA · SUP
Shaped refractory products
Insulating, fireclay, acid-resistant and high-alumina bricks, standard and special shapes.
Open technical catalogue ↗03VR-CAT-VUL-2026-02
VS · VSB · VST · VSJ
VULCO fireclay chimney system
Liners, tee and clean-out elements, jointing compound, dimensions and engineering selection notes.
Open technical catalogue ↗Product catalogues and engineering guides Rev 02/2026 do not replace a TDS, DoP, chimney design or lining calculation. Current availability, guaranteed values and conformity are confirmed with the quotation.
NEW · TDS LIBRARY 08/2026
One access code. Every material. Clear source status.
All 27 grades now have a separate printable technical record. Direct archived sheets are shown as dated snapshots, related variants are flagged without transferring values, and remaining records stay tied to the consolidated catalogue.
31individual sheets 10direct archived TDS 1related archive sources
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Authentic field images from the technical archive · Kakanj · 27 August 2026 · web-optimised without generative alterations
Volcano technical navigator
Find a material by type, temperature and position
An engineering view of the range: from hot-face linings to insulation, joints and maintenance.
31selected grades 2.000 °Chighest catalogue value 7material groups
POSITION IN THE SYSTEM
A lining works as a system, not as a single product
From the process side outward, the refractory hot-face lining is followed by a refractory safety layer. One, two or three insulation layers are then selected by thermal calculation, with the steel shell on the cold face.
LINING THERMAL SCANNER ACTIVE · 01/06
PROCESS · HOT SIDECOLD SIDE
1.600 °Cprocess
01
Refractory hot-face liningTakes direct thermal, chemical and mechanical process duty.
The number, grade and thickness of insulation layers are set by thermal calculation.
ZVEZDA® · gusti beton
ZVEZDA®-4
Conventional hydraulically bonded aluminosilicate castable for monolithic sections and local repairs at moderate temperatures; position-specific selection must consider abrasion, atmosphere and heat-up regime.
- Service limit
- 1200 °C
- Catalogue maximum
- 1250 °C
- Density
- 1,80 t/m³
- Grain size
- 0–6 mm
- Installation
- Casting and vibration
Engineering data
- Classification
- Dense hydraulically bonded castable
- Confirm in TDS
- water addition · consistency · CCS · PLC · dry-out schedule
Hot-face lining Data sheet
ZVEZDA® · gusti beton
ZVEZDA®-5
Dense hydraulically bonded castable for general industrial hot-face linings; the final specification must define mixing water, consolidation, curing and initial heat-up.
- Service limit
- 1250 °C
- Catalogue maximum
- 1300 °C
- Density
- 1,80 t/m³
- Grain size
- 0–6 mm
- Installation
- Casting and vibration
Engineering data
- Classification
- Dense hydraulically bonded castable
- Confirm in TDS
- water addition · consistency · CCS · PLC · dry-out schedule
Hot-face lining Data sheet
ZVEZDA® · gusti beton
ZVEZDA®-6
Aluminosilicate castable for medium-temperature hot-face duty, subject to verification against the prevailing chemical and mechanical wear mechanism.
- Service limit
- 1300 °C
- Catalogue maximum
- 1350 °C
- Density
- 1,90 t/m³
- Grain size
- 0–6 mm
- Installation
- Casting and vibration
Engineering data
- Classification
- Dense hydraulically bonded castable
- Confirm in TDS
- water addition · consistency · CCS · PLC · dry-out schedule
Hot-face lining Data sheet
ZVEZDA® · gusti beton
ZVEZDA®-7
Dense higher-temperature monolithic castable for industrial linings exposed to combined thermal and mechanical loading.
- Service limit
- 1440 °C
- Catalogue maximum
- 1550 °C
- Density
- 1,90 t/m³
- Grain size
- 0–6 mm
- Installation
- Casting and vibration
Engineering data
- Classification
- Dense hydraulically bonded castable
- Confirm in TDS
- water addition · consistency · CCS · PLC · dry-out schedule
Hot-face lining Data sheet
ZVEZDA® · gusti beton
ZVEZDA®-8
Dense refractory castable for high-temperature hot-face linings; suitability must be confirmed against the corrosive medium, thermal cycling and anchoring geometry.
- Service limit
- 1500 °C
- Catalogue maximum
- 1600 °C
- Density
- 2,45 t/m³
- Grain size
- 0–6 mm
- Installation
- Casting and vibration
Engineering data
- Classification
- Dense hydraulically bonded castable
- Confirm in TDS
- water addition · consistency · CCS · PLC · dry-out schedule
Hot-face lining Data sheet
ZVEZDA® · gusti beton
ZVEZDA®-10
High-density castable for heavily loaded monolithic sections within the documented temperature range; design must address expansion joints, anchoring and controlled dry-out.
- Service limit
- 1600 °C
- Catalogue maximum
- 1700 °C
- Density
- 2,85 t/m³
- Grain size
- 0–6 mm
- Installation
- Casting and vibration
Engineering data
- Classification
- Dense hydraulically bonded castable
- Confirm in TDS
- water addition · consistency · CCS · PLC · dry-out schedule
Hot-face lining Data sheet
ZVEZDA® · fini gusti beton
ZVEZDA®-13
Fine-grained grade for geometrically restricted and thinner monolithic sections; minimum thickness and consolidation method are defined by the position-specific instruction.
- Service limit
- 1600 °C
- Catalogue maximum
- 1700 °C
- Density
- 2,85 t/m³
- Grain size
- 0–1 mm
- Installation
- Casting and vibration
Engineering data
- Classification
- Dense hydraulically bonded castable
- Confirm in TDS
- water addition · consistency · CCS · PLC · dry-out schedule
Hot-face lining Data sheet
ZVEZDA® · gusti beton
ZVEZDA®-15
Highest documented temperature grade in the ZVEZDA range; selection cannot be based on temperature alone and must consider chemistry, loading and the expected failure mechanism.
- Service limit
- 1650 °C
- Catalogue maximum
- 1700 °C
- Density
- 2,85 t/m³
- Grain size
- 0–6 mm
- Installation
- Casting and vibration
Engineering data
- Classification
- Dense hydraulically bonded castable
- Confirm in TDS
- water addition · consistency · CCS · PLC · dry-out schedule
Hot-face lining Data sheet
OPAL® · izolacioni beton
OPAL®-AS
Lightweight hydraulically bonded insulating castable for cooler backup layers and reduced heat storage; thermal design must use TDS λ(T) and installed density.
- Service limit
- 700 °C
- Catalogue maximum
- 1050 °C
- Density
- 0,60 t/m³
- Grain size
- 0–6 mm
- Installation
- Insulating-layer casting
Engineering data
- Classification
- Lightweight insulating hydraulic castable
- Confirm in TDS
- installed density · λ(T) · shrinkage · dry-out
Insulation layer Data sheet
OPAL® · izolacioni beton
OPAL®-BS
Lightweight monolithic insulation for complex geometries and continuous backup linings; it is not an automatic substitute for insulating brick without a thermal calculation.
- Service limit
- 900 °C
- Catalogue maximum
- 1100 °C
- Density
- 0,70 t/m³
- Grain size
- 0–6 mm
- Installation
- Insulating-layer casting
Engineering data
- Classification
- Lightweight insulating hydraulic castable
- Confirm in TDS
- installed density · λ(T) · shrinkage · dry-out
Insulation layer Data sheet
OPAL® · izolacioni beton
OPAL®-DS
Higher-density insulating castable for backup layers requiring improved mechanical stability while controlling heat flow.
- Service limit
- 1100 °C
- Catalogue maximum
- 1200 °C
- Density
- 1,40 t/m³
- Grain size
- 0–6 mm
- Installation
- Insulating-layer casting
Engineering data
- Classification
- Lightweight insulating hydraulic castable
- Confirm in TDS
- installed density · λ(T) · shrinkage · dry-out
Insulation layer Data sheet
OPAL® · izolacioni beton
OPAL®-GS
Highest documented temperature grade in the OPAL range for insulating and backup monolithic layers; operating temperature must be checked across the complete lining profile.
- Service limit
- 1150 °C
- Catalogue maximum
- 1250 °C
- Density
- 1,50 t/m³
- Grain size
- 0–6 mm
- Installation
- Insulating-layer casting
Engineering data
- Classification
- Lightweight insulating hydraulic castable
- Confirm in TDS
- installed density · λ(T) · shrinkage · dry-out
Insulation layer Data sheet
K · torkret masa
K-1
Fine-grained gunning mix for local corrective work; repair quality depends on substrate preparation, nozzle water and rebound control.
- Service limit
- 1200 °C
- Catalogue maximum
- 1350 °C
- Density
- 1,70 t/m³
- Grain size
- 0–0,5 mm
- Installation
- Gunning application
Engineering data
- Classification
- Pneumatically installed gunning mix
- Confirm in TDS
- nozzle water · rebound · density · CCS · PLC
Maintenance and repair Data sheet
K · torkret masa
K-2
Hydraulically bonded fine gunning mix for rapid repairs, with mandatory definition of layer thickness, curing and return-to-service schedule.
- Service limit
- 1250 °C
- Catalogue maximum
- 1400 °C
- Density
- 1,70 t/m³
- Grain size
- 0–0,5 mm
- Installation
- Gunning application
Engineering data
- Classification
- Pneumatically installed gunning mix
- Confirm in TDS
- nozzle water · rebound · density · CCS · PLC
Maintenance and repair Data sheet
K · torkret masa
K-3
Gunning mix for soaking-pit repairs, including the archived hot-repair application; installation procedure and operator protection require a dedicated method statement.
- Service limit
- 1500 °C
- Catalogue maximum
- 1600 °C
- Density
- 2,20 t/m³
- Grain size
- 0–6 mm
- Installation
- Gunning application
Engineering data
- Classification
- Pneumatically installed gunning mix
- Confirm in TDS
- nozzle water · rebound · density · CCS · PLC
Maintenance and repair Data sheet
K · torkret masa
K-4
Fine-grained mix for corrective gunning of coke-oven refractory positions; compatibility with the existing lining must be confirmed before application.
- Service limit
- 1200 °C
- Catalogue maximum
- 1300 °C
- Density
- 1,80 t/m³
- Grain size
- 0–1 mm
- Installation
- Gunning application
Engineering data
- Classification
- Pneumatically installed gunning mix
- Confirm in TDS
- nozzle water · rebound · density · CCS · PLC
Maintenance and repair Data sheet
K · polusuva torkret masa
K-5
Semi-dry gunning mix for cupola-furnace positions; grain distribution, feed rate, nozzle water and achieved density must be controlled during installation.
- Service limit
- 1500 °C
- Catalogue maximum
- 1650 °C
- Density
- 2,20 t/m³
- Grain size
- 0–6 mm
- Installation
- Gunning application
Engineering data
- Classification
- Pneumatically installed gunning mix
- Confirm in TDS
- nozzle water · rebound · density · CCS · PLC
Maintenance and repair Data sheet
C · reparaturna masa
C-1
Fine-grained repair mix for patching cupola-furnace hot zones; substrate condition, working thickness and initial heat-up must be specified for each intervention.
- Service limit
- 1450 °C
- Catalogue maximum
- 1550 °C
- Grain size
- 0–1 mm
- Installation
- Hand placement / coating
Engineering data
- Classification
- Repair mix / functional coating
- Confirm in TDS
- substrate preparation · thickness · adhesion · operating regime
Maintenance and repair Data sheet
C · reparaturna masa
C-4
Repair mix for gas- and liquid-fuel combustion chambers, subject to assessment of flame impact, atmosphere, thermal gradients and the existing lining.
- Service limit
- 1500 °C
- Catalogue maximum
- 1600 °C
- Grain size
- 0–1 mm
- Installation
- Hand placement / coating
Engineering data
- Classification
- Repair mix / functional coating
- Confirm in TDS
- substrate preparation · thickness · adhesion · operating regime
Maintenance and repair Data sheet
C · funkcionalni premaz
C-7
Fine functional coating for heating-element supports according to the archived application; substrate preparation, coating thickness and electrical/thermal compatibility require position-specific confirmation.
- Service limit
- 1800 °C
- Catalogue maximum
- 2000 °C
- Grain size
- 0–0,2 mm
- Installation
- Hand placement / coating
Engineering data
- Classification
- Repair mix / functional coating
- Confirm in TDS
- substrate preparation · thickness · adhesion · operating regime
Maintenance and repair Data sheet
Alumosilikatni malter
BT-1
Aluminosilicate mortar for thin-joint masonry using compatible fireclay and high-alumina grades; chemistry, bond and joint thickness must match the brick.
- Service limit
- 1400 °C
- Catalogue maximum
- 1500 °C
- Grain size
- 0–1 mm
- Al₂O₃
- 60%
- Installation
- Masonry jointing
Engineering data
- Classification
- Refractory mortar for thin joints
- Confirm in TDS
- bond type · grain size · joint thickness · brick compatibility
Joints and seams Data sheet
Hemijski vezani malter
KB-SPECIJAL
Chemically bonded aluminosilicate mortar for demanding joints; preparation, working time, joint thickness and initial heat-up must follow the current instruction.
- Service limit
- 1450 °C
- Catalogue maximum
- 1550 °C
- Grain size
- 0–1 mm
- Al₂O₃
- 50%
- Installation
- Masonry jointing
Engineering data
- Classification
- Refractory mortar for thin joints
- Confirm in TDS
- bond type · grain size · joint thickness · brick compatibility
Joints and seams Data sheet
PLASTIK · nabojna masa
PLASTIK-90
High-alumina chemically bonded plastic mix for rammed high-temperature hot-face sections; performance depends on compaction, construction-joint layout and initial heat-up.
- Service limit
- 1700 °C
- Catalogue maximum
- 1800 °C
- Density
- 3,00 t/m³
- Grain size
- 0–6 mm
- Al₂O₃
- 90%
- Installation
- Ramming installation
Engineering data
- Classification
- Chemically bonded plastic ramming mix
- Confirm in TDS
- installation method · installed density · joints · heat-up
Hot-face lining Data sheet
PLASTIK · nabojna masa
PLASTIK-VA
Chemically bonded plastic ramming mix for archived applications in induction furnaces and non-ferrous metallurgy; compatibility with metal, slag and atmosphere must be confirmed for the process.
- Service limit
- 1500 °C
- Catalogue maximum
- 1600 °C
- Density
- 2,40 t/m³
- Grain size
- 0–4 mm
- Al₂O₃
- 60%
- Installation
- Ramming installation
Engineering data
- Classification
- Chemically bonded plastic ramming mix
- Confirm in TDS
- installation method · installed density · joints · heat-up
Hot-face lining Data sheet
PORIT® · izolaciona opeka
PORIT® 8-135
Insulating firebrick for backup layers; thickness selection is based on heat-flow calculation, allowable shell temperature and layer loading.
- Service limit
- 1350 °C
- Density
- 0,80–0,85 g/cm³
- Al₂O₃
- 18–20%
- Installation
- Masonry / dry setting
Engineering data
- Classification
- Shaped refractory product
- Confirm in TDS
- chemistry · porosity · CCS · RUL/PCE · shape and tolerances
Insulation layer Data sheet
PORIT® · izolaciona opeka
PORIT® 10-150
High-alumina insulating firebrick for higher-temperature backup layers; λ(T), shrinkage and compressive loading must be checked for the design lining profile.
- Service limit
- 1550 °C
- Density
- 1,20–1,25 g/cm³
- Al₂O₃
- 58–60%
- Installation
- Masonry / dry setting
Engineering data
- Classification
- Shaped refractory product
- Confirm in TDS
- chemistry · porosity · CCS · RUL/PCE · shape and tolerances
Insulation layer Data sheet
SA · šamotna opeka
SA-0
Dense aluminosilicate fireclay brick for hot-face and structural positions in thermal units; the grade is specified by chemistry, porosity, CCS, refractoriness under load and shape.
- Service limit
- 1420 °C
- Density
- 2,10–2,12 g/cm³
- Al₂O₃
- 42%
- Installation
- Masonry / dry setting
Engineering data
- Classification
- Shaped refractory product
- Confirm in TDS
- chemistry · porosity · CCS · RUL/PCE · shape and tolerances
Hot-face lining Data sheet
SA · šamotna opeka
SA-3
Fireclay brick for position-specific furnace, boiler and ceramic-unit linings; temperature designation does not replace assessment of atmosphere, abrasion and thermal cycling.
- Service limit
- 1360 °C
- Density
- 2,05–2,07 g/cm³
- Al₂O₃
- 32%
- Installation
- Masonry / dry setting
Engineering data
- Classification
- Shaped refractory product
- Confirm in TDS
- chemistry · porosity · CCS · RUL/PCE · shape and tolerances
Hot-face lining Data sheet
SKO · kiselootporna opeka
SKO-D
Dense acid-resistant brick for flue ducts, industrial stacks and chemical-service positions; resistance must be confirmed for the specific medium, concentration, temperature and jointing system.
- Service limit
- 1400 °C
- Density
- 2,15–2,17 g/cm³
- Al₂O₃
- 29–31%
- Installation
- Masonry / dry setting
Engineering data
- Classification
- Shaped refractory product
- Confirm in TDS
- chemistry · porosity · CCS · RUL/PCE · shape and tolerances
Hot-face lining Data sheet
VA · visokoaluminozna opeka
VA-60
Dense high-alumina brick for position-specific linings in metallurgy, cement, ceramics and glass; selection must account for slag, atmosphere and thermomechanical loading.
- Service limit
- 1550 °C
- Density
- 2,48–2,52 g/cm³
- Al₂O₃
- 59–61%
- Installation
- Masonry / dry setting
Engineering data
- Classification
- Shaped refractory product
- Confirm in TDS
- chemistry · porosity · CCS · RUL/PCE · shape and tolerances
Hot-face lining Data sheet
VA · visokoaluminozna opeka
VA-70B
Higher-temperature high-alumina brick for hot-face linings; the specification must include porosity, CCS, RUL/PCE, tolerances and a compatible mortar.
- Service limit
- 1600 °C
- Density
- 2,52–2,54 g/cm³
- Al₂O₃
- 69–71%
- Installation
- Masonry / dry setting
Engineering data
- Classification
- Shaped refractory product
- Confirm in TDS
- chemistry · porosity · CCS · RUL/PCE · shape and tolerances
Hot-face lining Data sheet
No grades match the selected filters. Change the temperature or material type.
Specification note: Archived catalogue values are consolidated in catalogue Rev 02/2026. They are not guaranteed design values: final product class and grade selection, availability and the current TDS/DoP are confirmed against the position and operating conditions.