材料性能	BNC石英石	天然花岗石	合成岗石	亚克力人造石	检测方法
Performance	Verona Quartz Surface	Granite	Compound stone	Acrylic Surface	Testing Method
比  重	2.37－2.5	2.3－2.7	1.6－1.7	1.7－1.75	检测是否有石头的沉重感
Specific Gravity					The weight like the stone
表面硬度	★★★★★	★★★★	★★	★★	用铁制利器挤压表面，查看破坏情况
Hardness					Use iron sharp-pointed object to squeeze the plate and observe the damaged point
抗刮性	★★★★★	★★★★	★★	★★	用铁棒摩擦表面，查看划痕情况
Scratch Resistance					Use iron stick to scrub surface of the materials and observe the mar
防渗透性	★★★★	★★	★★★	★★★★	在石材表面洒少许水，24小时后观察变色状况
Water Resistance					Spray some water on the surface of the table and after 24 hours observe the albescent condition of the materials.
耐高温性	★★★★	★★★★	★★	★★	将盛满开水的不锈钢杯置于台面，30分钟后观察变色情况
Flame Spread					Place a stain-steel cup full of boiling water on the surface of the table for 30mins.and observe.
耐火性	★★★★	★★★★	★★★	★★★	用10mm×200mm的细条放于明火上做燃烧测试
Fire Resistance					Put the small strips of 10mm×200mm on the fire for combustion test.
热变性	★★★★	★★★★	★★	★★	用10mm×200mm的细条加热至130℃，30分钟后观察弯曲变化
Heat Deformation Resistance					Heat the small strips of 10mm×200mm to the 130℃ and after 30mins. Conduct bending comparison.
抗开裂性	★★★★	★★★	★★★	★★	用200mm×200mm的方块从离地1.5m处往硬质地面用力投掷，观察破裂情况
Crack Resistance					Drop in full force the square pieces of 200mm×200mm onto hard floor at a height of 1.5m from the floor surface and observe the break condition of materials.
抗变形性	★★★★	★★★★	★★★	★★	固定50mm×500mm板条两端，中间放1千克重物，8小时后观察变形情况
Load Test					Fasten the two ends of the strip of 50mm×500mm put heavy objects of 1kg on the middle of the surface and after 8 hours observe the deformation condition of materials.
环保性	★★★★	★	★★	★★★	能否提供绿色环保认证
Environment Protection					If offer the E.P.C.
加工性	★★★★	★★★★	★★★★	★★★★★	用切割锯检测切割难度及切片情况
Machinable					Use routers to cut the plate and observe condition of pushing and plate slices.
表面光洁度	★★★★	★★★★	★★	★★	光线下对比光亮度
Glossiness					Put in the light place and then compare their fineness.
外观	★★★★	★★★★	★★★★	★★	触摸表面，并在光线下观察期通透性
Appearance					Touch the materials with hands and observe under the lamp to see whether it has a feeling of jade.

★★★★★ 优异Excellent    ★★★★ 好Good    ★★★ 普通 Moderate    ★★ 差 Poor    ★ 很差 very bad