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JC/T 867-2000: Building U-Shaped Glass

Introduction to JC/T 867-2000: Building U-Shaped Glass

Standard Number: JC/T 867-2000
Standard Name: Building U-Shaped Glass

Overview: The JC/T 867-2000 standard is a crucial industry standard for U-shaped glass used in construction. Issued by the National Building Materials Industry Bureau on September 13, 2000, and formally implemented on January 1, 2001, this standard aims to regulate the application of U-shaped glass in the building sector, ensuring product quality and safety.

Key Contents:

1. Scope: This standard applies to U-shaped glass used in construction and related fields. It specifies classifications, dimensional specifications, requirements, inspection methods, packaging, transportation, and storage.

2. Referenced Standards: The standard references several national standards, such as GB/T 707-1988 and GB/T 2680-1994, ensuring the scientific basis and uniformity of its implementation.

3. Product Classification and Specifications: U-shaped glass is classified into standard U-shaped glass and double U-shaped glass. Detailed specifications and allowable deviations are outlined in the standard.

4. Performance Requirements: The standard defines key performance indicators for U-shaped glass, including color, surface characteristics, embedded wire structure, and light transmittance. For instance, U-shaped glass can be colored or colorless, with or without embedded wire, and can have smooth or patterned surfaces. The visible light transmittance should be at least 55%.

5. Testing Methods: The standard specifies testing methods for size deviations, bending strength, and wire deviations to ensure product quality and reliability in actual use.

6. Inspection Rules: It distinguishes between factory inspection and type testing, detailing sampling and judgment rules to ensure each batch of products meets quality requirements.

Preparation Highlights:

• Mandatory Standard: All technical contents of this standard are mandatory, aimed at comprehensively improving the quality standards for building U-shaped glass.
• Involved Organizations: The standard was drafted by the Qinhuangdao Glass Research and Design Institute under the National Building Materials Industry Bureau, with contributions from various glass manufacturing enterprises to ensure its scientific and practical applicability.
• Appendix A: The standard includes a detailed description of the bending performance test methods for U-shaped glass, aiding production and inspection personnel in correctly conducting related tests.

By adhering to JC/T 867-2000: Building U-Shaped Glass, U-shaped glass products in the construction industry will be strongly supported in terms of quality, performance, and safety, providing high-quality material support for building design and construction.