High-Pressure Composite Wall Panels | SD Panels Engineering

As international building standards shift toward rigid indoor air quality (IAQ) mandates and zero-carbon building frameworks, the demand for non-emitting, structurally stable interior surfacing has accelerated. SD Panels (Shandong Dongkang Building Materials Co., Ltd.) has expanded its architectural portfolio with the release of its High-Pressure Engineered Composite Wall Panel series.

Engineered via high-thermo-pressure compression, these panels integrate an ultra-dense mineral-polymeric core designed to perform in high-traffic commercial settings and humid coastal climates without delamination or dimensional distortion.

Technical Specifications & Verified Test Performance

All production batches are evaluated under European and North American standardized test methodologies. The physical parameters are detailed below:

Performance Criterion	Test Standard	SD Panels Value	Standard Industry Baseline
Formaldehyde Emission	EN 717-1 / GB 18580	≤ 0.025 mg/m³ (ENF Grade)	0.124 mg/m³ (E1 Grade)
Reaction to Fire	EN 13501-1 / ASTM E84	Class B-s1, d0 / Class A	Class C / Combustible
Flexural Strength	ISO 178	≥ 42.5 MPa	18.0 – 25.0 MPa
Thickness Swelling (24h)	ASTM D1037	< 0.35%	3.0% – 5.0%
Surface Abrasion	EN 438-2	≥ 4,200 Revolutions	1,000 – 2,000 Revolutions

 

 

Manufacturing Quality Control & Compliance

Production at the SD Panels facility complies with ISO 9001:2015 quality management and ISO 14001:2015 environmental standards. Each production cycle undergoes a 5-point quality verification process:

• Spectroscopic analysis of raw material purity prior to batch blending.

• Continuous ultrasonic core density checking during thermal pressing.

• Gas chromatography testing for VOC and aldehyde emission profiles.

• Accelerated hydro-thermal chamber exposure for 72 hours.

• Impact and scratch tolerance verification per mill run.

The product line carries complete CE marking, Intertek safety clearances, and third-party laboratory documentation required for LEED v4 and WELL Building Standard submittals.