Permeable Brick Testing

Permeable paving tiles are a type of green and environmentally friendly new building material. They are primarily made from environmentally friendly raw materials such as cement, sand, slag, and fly ash, formed under high pressure rather than high-temperature firing. The entire tile is formed in a single compression process, without layered pressing, resulting in a homogeneous brick with consistent properties throughout (top and bottom). The surface is free from cracking and delamination. These tiles exhibit good wear resistance, with no surface shedding after compression, making them suitable for higher load-bearing environments. They also feature excellent water permeability, strong anti-slip functionality, natural and long-lasting colors, long service life, smooth surfaces, sharp edges, neat lines, high freeze-thaw resistance, and high resistance to salt-alkali conditions. They are not prone to breakage, with compressive and flexural strengths higher than similar products, ensuring driving safety. Maintenance costs are low, replacement is easy, and they facilitate the installation of underground pipelines. Available in various colors and shapes, they complement the surrounding environment, offering natural beauty.

The company has established the largest building ceramic testing center in Northwest China, covering an area of 3,000 m². It holds comprehensive qualifications for GB/T 4100-2015, ISO 13006, EN 14411, and other standards, issuing over 4,000 ceramic tile test reports annually. The National Center for Quality Inspection and Testing of Building and Sanitary Ceramics provides enterprises with customized testing services, one-stop inspection, certification, and technical guidance.

Testing Products

Permeable Paving Tiles

Testing Items

Dimensional tolerance (dimensional deviation)

Appearance quality

Surface layer quality (finish layer / decorative layer)

Splitting tensile strength

Flexural strength (modulus of rupture)

Water permeability coefficient

Freeze-thaw resistance

Abrasion resistance (wear resistance)

Slip resistance (anti-slip performance)

Testing Standards

Permeable Paving Tiles (Permeable concrete paving bricks, permeable concrete paving slabs): GB/T 25993

Service Advantages

Designated CCC certification testing institution by the Certification and Accreditation Administration of China (CNCA).

The company has a 3,000 m² specialized ceramic tile laboratory with full qualifications for GB/T 4100-2015 and export testing capabilities for CE and SASO.

Provides “testing + certification” packaged services for Carbon Footprint, Environmental Product Declaration (EPD), and three-star Green Building Materials certification.

A comprehensive third-party testing service institution offering product testing, turnkey laboratory construction, conference services, technical services, and sales of reference materials and consumables.

Leveraging CTC Group’s over 700 national/industry standards and more than 1,800 patents, the company can customize internal enterprise standards and process improvement plans for clients.

All reports are synchronously verifiable on the “Official WeChat Public Platform”; clients can scan a QR code with their mobile phone to check report authenticity.


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