搪瓷管的电流击穿试验电压为3000V,直径在φ60㎜以下的管子应确保每米击穿点不超过2点,整根管子不能超过5个点,力学抗机械冲击性:≥0.22J。
The current breakdown voltage test of enamel pipe is 3000V, the diameter of each meter should ensure the breakdown point of not more than 2 points in a 60 mm below the tube, the tube should not exceed 5 points, mechanical mechanical shock resistance: more than 0.22J.
4. 外搪瓷管搪瓷层厚度:0.30±0.06mm,内搪瓷管搪瓷层厚度:0.25±0.05mm。
4 tube outer enamel enamel layer thickness: 0.30 + 0.06mm, inside the enamel pipe enamel thickness: 0.25 + 0.05mm.
5. 管子耐酸指标:≤2.0g/(m2.d)。
5 tube acid index: less than 2.0g/ m2.d.
6. 耐温度急剧变化性能:在500℃恒温5min后自然冷却各种指标无变化。
6 high temperature variation: natural cooling performance indicators showed no change in the constant temperature of 500 DEG C after 5min.
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