Blanco

Blanco SUBLINE 700-U Undermount Sink SUBLINE700UBK5

SUBLINE700UBK5

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$1,129
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BLANCO 53L SINGLE BOWL UNDERMOUNT SINK, BLACK SUBLINE700UBK5

With its sleek - rugged look and offering ample space for handling different washing tasks - the Blanco Silgranit Single Bowl Undermount Sink is a suitable choice for completing your kitchen’s wash area.

Key Features:

ENGINEERED IN GERMANY
Every SILGRANIT™ design impresses with its timeless, straight lined bowl geometry which will suit all types of kitchen products and worktops.

DURABILITY
SILGRANIT™ PuraDur™ consists of 80% granite, which makes it unbeatably resiliant, extremely durable, scratch resistant, heat resistant, unbreakable and acid resistant.

HYGIENE + PLUS™
A patented formula that acts as a shield against dirt and bacteria growth by an average of 98%. The closed surface stays cleaner, without the need for abrasive cleaning agents.

MAXIMUM BOWL SIZE
Due to the smallest possible radii of 15mm it allows for a large sink area and a modern classy look.

DESIGNER WASTES
Designer waste is included as an accessory, no additional costs after purchase. The rear waste position increases your storage space below the sink.

Specifications

  • Description

    • Search Snippet: The BLANCO SUBLINE700UBK5 undermount sink offers 53-litre capacity in scratch-resistant SILGRANIT composite.

  • Global

    • Model Number: SUBLINE700UBK5
    • Sink Type: Undercounter

  • General

    • Colour: Black
    • Installation Type: Undermount
    • Material: Granite, Stainless Steel

  • Features

    • Acid Resistant: Yes
    • Heat Resistant: Yes
    • Integrated Overflow: Yes
    • Reversible Sink: No
    • Scratch Resistant: Yes

  • Size

    • Cabinet Size (mm): 800

  • Design

    • Number Of Holes: 1
    • Waste Outlet: Designer Wastes

  • Dimensions

    • Cut-Out Dimensions (mm): 700W x 400D
    • Depth: 460mm
    • Height: 190mm
    • Overall Dimensions (mm): 730W x 460D x 190H
    • Width: 730mm

  • In The Box & Warranty

    • Warranty (Years): 30

Manuals

Why Buy?

German-engineered Silgranit for uncompromising kitchen durability

This 53-litre single bowl undermount sink features Blanco's Silgranit PuraDur composite — 80% granite construction that delivers scratch resistance, heat resistance to 280°C, and acid resistance that outlasts stainless steel in daily kitchen use.

The patented Hygiene Plus surface technology creates a closed, non-porous finish that reduces bacteria growth by 98% compared to standard materials, while the 15mm radius corners maximise bowl capacity for washing larger items. The black Silgranit finish maintains its colour depth and resists staining from coffee, wine and cooking oils without requiring harsh cleaning agents.

Undermount installation creates seamless integration with stone and engineered benchtops, while the rear waste position preserves valuable storage space in the cabinet below. The included designer waste eliminates additional hardware costs and complements the sink's clean geometry for kitchens where function and form carry equal weight.

Buy this if…

  • You want undermount installation for seamless benchtop integration
  • You need a large single bowl that handles oversized cookware and baking trays
  • You prefer granite composite durability over stainless steel maintenance
  • You value German engineering and proven Silgranit technology
  • You want black finishes that resist staining and maintain their appearance

Frequently Asked Questions

Is this granite sink resistant to scratches?

Yes, this composite sink is highly scratch resistant due to its 80% granite construction in SILGRANIT PuraDur. It's designed to withstand daily use in a busy kitchen without showing marks.

Does this sink have any special hygiene features?

Yes, this model features patented Hygiene Plus technology, which reduces bacteria growth by 98% thanks to its closed surface formula. This ensures a more hygienic kitchen environment.

What cabinet size do I need for this undermount sink?

This Blanco SUBLINE 700-U Undermount Sink requires a minimum cabinet size of 800mm. The overall dimensions of the sink are 730mm wide by 460mm deep, with cut-out dimensions of 700mm wide by 400mm deep.

How does the waste system work with this single bowl sink?

This sink features the InFino drain system with designer waste, which is rear-positioned to free up more valuable space under the sink. It also includes an integrated covered C-overflow for safety.

How much capacity does this black sink offer?

This single bowl black sink offers a generous 53-litre capacity, providing ample space for washing larger pots and pans. Its 15mm corner radius also contributes to maximum bowl space. For other options, explore our range of kitchen sinks.