While Burchard was experimenting with refrigerator insulation, he came up with a novel way of molding low-density foam.
那年伯查德正在做有关冷冻机隔热材料的实验，实验中他使用新的方法做出一种低密度的泡沫材料。
High density foam core provides insulation and sound attenuation;
高密度海绵内芯有效隔热和隔音；
Footbed is equipped with anti-moisture fabric, dual-density foam and EVA comfort system.
鞋底装有防潮布，双密度泡沫和EVA舒适系统。
Materials, including high-density foam, wires, air conditioning pipes, shower pipes, and gas pipes, cost about 3000 yuan.
盔甲材料为高密度泡沫、电线以及空调管、淋浴管、煤气管等，材料费约3000元。
High-density foam solid silicon rubber sealing ring, high level of dustproof and waterproof, IP65, electrical insulation protection is 1 degree.
高密度发泡实心硅胶密封圈，防尘防水等级高，灯具防护等级IP65,1级电气绝缘保护。
High-density foam solid silicon rubber sealing ring, high level of dustproof and waterproof, IP65, electrical insulation protection is 1 degree.
高密度发泡实心硅胶密封圈，防尘防水等级高，灯具防护等级IP65,1级电气绝缘保护。
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