Product Overview
Commercial-grade precast terrazzo countertops engineered for architectural millwork, hospitality fit-outs, and multi-family construction. Fabricated using high-performance resin or cementitious binders embedded with graded mineral aggregates (marble, quartz, granite, and recycled glass), factory-pressed under vacuum vibration, cured, and precision-calibrated. Supplied as finished cut-to-size slabs or ready-to-install vanity tops with integrated sink cutouts and edge profiles according to approved shop drawings.
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Technical Specifications
|
Technical Parameter |
Standard Value (Epoxy Resin Type) |
Standard Value (Cementitious Type) |
Test Standard |
|
Standard Thickness |
20 mm, 30 mm (Custom: 15 mm - 50 mm) |
30 mm, 40 mm |
ISO 10545-2 |
|
Standard Slab Dimensions |
3200 x 1600 mm, 3000 x 1400 mm |
2400 x 1200 mm, 2700 x 1800 mm |
- |
|
Water Absorption |
<= 0.15% |
<= 4.0% |
ASTM C97 / EN 14617-1 |
|
Compressive Strength |
>= 110 MPa |
>= 80 MPa |
ASTM C170 / EN 14617-15 |
|
Flexural Strength |
>= 25 MPa |
>= 9.0 MPa |
ASTM C880 / EN 14617-2 |
|
Mohs Hardness |
6 - 7 (Aggregate dependent) |
5 - 6 |
Mohs Scale |
|
Density |
2,450 - 2,550 kg/m3 |
2,300 - 2,400 kg/m3 |
ASTM C97 |
|
Slip Resistance |
R10 / P3 |
R11 / P4 |
DIN 51130 / AS 4586 |
|
Fire Rating |
Class A / Flame Spread Index 0-25 |
Class A / Non-combustible |
ASTM E84 / EN 13501-1 |
Key Product Features
High Aggregate Density
75% to 80% aggregate-to-binder ratio achieved via vacuum pressing, minimizing surface void ratios and eliminating micro-pitting.
01
Dimensional Stability
Calibrated thickness tolerance controlled within +/- 0.5 mm and diagonal accuracy within +/- 1.0 mm via CNC bridge sawing.
02
UV Stability (Epoxy Series)
Aliphatic resin formulations resistant to yellowing under direct interior sunlight exposure.
03
Stain & Chemical Resistance
Factory-applied penetrating sealer fills capillary pores, providing resistance to common commercial reagents (coffee, red wine, lemon juice, mild cleaning acids).
04
Seamless Edge Profiling
Homogeneous material composition through the full thickness allows for clean mitered aprons, laminated drops, and exposed polished bullnose profiles without visible seams.
05
Aggregate Matrix Selection
Marble & Dolomite Chips: Carrara, Nero Marquina, and Botticino fragments for classic fine-to-medium granularity.
Recycled Glass & Quartz: Post-consumer clear, mirror, and colored glass aggregates for high-contrast light reflection and modern architectural palettes.
Available Surface Finishes
Honed (Matte): 400-grit low-gloss finish (Guards against visible fingerprints in high-traffic commercial washrooms).
Polished: 800+ grit mirror finish providing high light reflectivity and accentuating aggregate color depth.
Brushed / Sandblasted: Textured tactile surface providing slip resistance for wet-area applications (R11 rating).
Applications
Hospitality Washrooms
Double-sink vanity tops for hotel guest rooms and public lobbies.
Food & Beverage Counters
Coffee bar worktops, restaurant service stations, and reception transaction desks.
Corporate Interiors
Executive boardroom buffets and architectural breakout island counters.
Retail Spaces
Display shelving and cash wrap countertops requiring high impact resistance.
OEM & ODM Customization
Custom Aggregate Matching
Capability to match specific architectural color boards by blending custom ratios of recycled glass, river stones, and colored marble chips.
01
Precision Fabrication
CNC waterjet cutting for complex radius curves, undermount sink cutouts, faucet hole drilling, and integrated draining grooves.
02
Edge Profiles
Eased, Beveled, Bullnose, Mitered Apron (up to 100 mm drop), and Sharknose profiles executed to shop drawing specifications.
03
Project Packaging & Labelling
Custom SKU barcoding, project phase labeling, and room-by-room sorting for direct site installation.
04
Manufacturing & Quality Control
Production Workflow
Raw Material Grading: Aggregates screened into precise size fractions (#0 to #4) to ensure uniform distribution and prevent clumping.
Batch Mixing & Vacuum Pressing: Aggregate and binder blended under controlled ambient temperature, poured into molds, and subjected to 50T hydraulic pressing combined with vacuum vibration to eliminate entrapped air voids.
Curing Cycle: Thermal curing chambers operating at controlled temperatures (60°C to 80°C) for 48 hours to ensure complete cross-linking of epoxy binders.
Calibrating & Polishing: Multi-head automatic line polishing utilizing diamond abrasive heads progressing from 50 grit to 3000 grit.
Quality Control Standards
Visual Inspection: Slab surface checked under 1000-lux lighting for pinholes, color specking, and aggregate segregation.
Dimensional Audit: Caliper and laser square checks performed on every finished piece prior to crating.
Batch Retain Samples: 100g retain samples kept from every production lot for 3 years for trace audit compliance.
Packaging & Documentation
Export Crating Specifications
Fumigation-Free Packaging: Heat-treated ISPM 15 compliant plywood crates reinforced with internal steel brackets.
Interleaving Protection: 2mm EPE foam sheets placed between finished polished surfaces to prevent abrasion during ocean transport.
Edge Protection: Plastic corner guards secured on all perimeter edges of cut-to-size countertops.
Container Loading: A-frames secured inside 20-foot dry containers with heavy-duty ratchet webbing to restrict shifting.
Documentation Provided
Commercial Invoice, Packing List, Bill of Lading (B/L), Certificate of Origin (CO).
Material Test Reports (ASTM / EN standards).
Approved Shop Drawings and Installation/Maintenance Manual.
FAQ
Q: What is the standard lead time for custom project orders?
A: Standard production lead time is 20 to 25 business days following final shop drawing approval and color sample sign-off. Ocean freight transit adds 15 to 30 days depending on the destination port.
Q: Can terrazzo countertops be repaired if chipped on site?
A: Yes. Minor edge chips or surface scratches can be repaired using a matching epoxy repair kit, cured with a UV light or catalyst hardener, and wet-sanded/polished back to the original finish using diamond pads (up to 3000 grit).
Q: Are epoxy-based terrazzo countertops suitable for outdoor use?
A: Standard epoxy resin binders degrade under prolonged direct UV radiation and extreme thermal shock. For outdoor applications, cementitious-based terrazzo or UV-stable aliphatic resin formulations must be specified.
Q: What is the minimum order quantity (MOQ) for custom aggregate colors?
A: The MOQ for custom color matching is 100 m2 or one standard 20-foot container load, allowing for aggregate batching and line setup adjustments.
As one of the leading terrazzo countertops manufacturers in China, we warmly welcome you to buy high quality terrazzo countertops at competitive price from our factory. For customized service, contact us now.
