1·Measurements have been made to determine the relation of the tension, the compression and the shearing of PUR foam at low temperature with its density, direction and temperature.
测定了低温下聚氨酯硬泡沫塑料拉伸、剪切和压缩弹性模量与泡沫密度、方向以及温度的关系。
2·We provide hot melt adhesive: water-based adhesive and PUR adhesive, animal glue products apply for various types of the printing industry.
波士胶为印刷行业提供相关的热熔胶、水胶、聚氨酯、动物胶等产品，不仅满足各类应用，提供专业的粘合解决方案。
3·Line material is also very good, probably PUR.
线材也非常好，可能是聚氨酯。