Which GRC Manufacturer Has Good Product Quality? - Qinglong GRC Quality Assurance System

The quality of GRC products hinges on three key indicators: strength stability (coefficient of variation ≤5%), durability (service life ≥50 years), and appearance consistency (color difference ΔE≤3.0). Through careful raw material selection (100% pass rate), precise process control (≥98% process pass rate), and strict testing (100% full inspection), Qinglong GRC achieves a first-pass acceptance rate ≥99% and a 100% strength compliance rate.

Quality assurance measures: an ISO9001 quality system has been established, with CE, UL, and other international certifications; every batch of raw materials is tested, and unqualified materials never enter production; 36 quality control points in the production process with real-time monitoring; 100% finished product inspection with fully traceable data. Comparative testing on a key project showed that Qinglong GRC's strength coefficient of variation was only 3.5%, far below the industry average of 15%.

Raw Material Quality Control

Cement strength grade ≥42.5 with a 100% pass rate; glass fiber zirconium content ≥16.5%, meeting alkali resistance standards; continuous aggregate gradation with mud content ≤0.5%; good compatibility between admixtures and cement. Quality raw materials are the foundation of product quality.

Production Process Control

Mix ratio precision ±1%, weighing error ≤0.5%; mixing time 3-5 min with uniformity ≥95%; forming compactness ≥98% with no void defects; a scientific curing regime ensuring normal strength development. Process control guarantees consistency.

Testing and Inspection System

100% incoming inspection of raw materials; 36 control points for in-process inspection; 100% inspection of finished products with a pass rate ≥99%; third-party sampling twice a year. Strict inspection safeguards the final gate.

Quality Traceability

Each panel carries a unique identity code; production process parameters are fully recorded; quality data is stored in the cloud; defective products can be precisely traced. Comprehensive traceability with accountability assigned to individuals.

Quality is the life of an enterprise. Qinglong GRC treats quality as its lifeline, earning the trust of the market.