陶瓷坩埚 正方形 氧化铝

名 称	氧化铝坩埚
化学成分	al2o3	≥99
	r2o	≤0.2
	fe2o3	≤0.1
	sio2	≤0.2
体积密度（g/cm2）		≥3.80
显气孔率（%）		＜1
抗弯强度（mpa）		＞350
抗压强度（mpa）		＞12000
介电常数∑（1mhz）		2
Zui高使用温度（℃）		1800

产品描述:

氧化铝陶瓷坩埚,刚玉陶瓷坩埚有：弧形氧化铝坩埚，方形氧化铝坩埚，长方形氧化铝陶瓷坩埚，圆柱形陶瓷坩埚，等等各种异形氧化铝陶瓷坩埚， 刚玉陶瓷坩埚系列：适用于各种实验室金属、非金属样品分析及熔料用。坩锅系列——用于化验室及各种工业分析。

氧化铝坩埚刚玉瓷坩埚特点：
1、纯度高：al2o3＞99%，耐化学腐蚀性好2、耐温性好，长期使用在1600℃，短期1800℃3、耐急冷急热性好，不易炸裂4、注浆成型密度高高纯氧化铝坩埚,99%刚玉陶瓷坩埚规格有：5ml 10ml 15ml 20ml 25ml 30ml 50ml 100ml 150ml 200ml- 2500毫升。

产品包装：

产品用途：适用于各种实验室金属、非金属样品分析及熔料用。
刚玉坩埚特点：
1、纯度高：al2o3＞99%，耐化学腐蚀性好
2、耐温性好，长期使用在1600℃，短期1800℃
3、耐急冷急热性好，不易炸裂
4、注浆成型密度高

alumina corundum crucibles, 99 ceramic crucibles
high purity: al2o3> 99%, good chemical resistance 2, good temperature endurance, long-term operation at 1600 ℃, short-term 1800 ℃ 3, good rapid thermal shock resistance, not easy to burst 4, slip casting with high density high-purity alumina crucible, 99% corundum ceramic crucible specifications: 5ml 10ml 15ml 20ml 25ml 30ml 50ml 100ml 150ml 200ml-2500ml.
suitable for sample analysis and melt of laboratory metal, non-metallic materials.

alumina crucibles’ features:
1, high purity: al2o3> 99%, good chemical corrosion resistance
2, good temperature endurance, long-term use at 1600 ℃, 1800 ℃ short-term
3, good rapid thermal shock resistance, not easy to burst
4, slip casting with high density
product description:
arc straight alumina ceramic crucibles’ basic functions:
name: straight alumina crucibles
chemical composition al2o3 ≥ 99
r2o ≤ 0.2
fe2o3 ≤ 0.1
sio2 ≤ 0.2
volume density (g/cm2) ≥ 3.80
apparent porosity (%) <1
bending strength (mpa)> 350
compressive strength (mpa)> 12000
dielectric constant σ (1mhz) 2
the highest operation temperature (℃) 1800
best roast container for making powder tv, rare earth materials, precious metals, and roasting high, medium and low ceramic capacitors, ntc, ptc piezoelectric ceramic and lithium cobalt oxide, lithium manganese oxide powder