Building and Sanitary Ceramics Testing

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Glass Mosaic Testing

Glass mosaic, also known as glass tesserae or glass paper-backed tiles, is a small-sized colored decorative glass material. Common dimensions include 20 mm × 20 mm, 30 mm × 30 mm, and 40 mm × 40 mm, with a thickness of 4–6 mm. It belongs to the category of small block glass mosaic materials in various colors. Made from natural minerals and glass powder, glass mosaic is one of the safest and most environmentally friendly building materials. It is acid and alkali resistant, corrosion resistant, and non-fading, making it highly suitable for decorating walls and floors in bathrooms and wet areas.

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

Fused Glass Mosaic

Sintered Glass Mosaic

Avventurina (Gold Stone / Golden Star) Glass Mosaic

Testing Items

Side length of a single tile

Thickness of a single tile

Sheet length (dimensions of assembled sheet)

Margin width (edge spacing)

Alignment (joint straightness)

Appearance quality

Color consistency

Bond strength between glass mosaic and backing paper (mounting paper)

Paper stripping time (removability of backing paper)

Thermal stability

Chemical stability

Distribution of aventurine (golden star / metallic particles)

Testing Standards

Glass Mosaic (fused, sintered, and avventurina types): GB/T 7697

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.