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牌号简介 About |
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Baydul- 661 IBS是一种用于反应注射成型(RIM)工艺的灰色、刚性聚氨酯结构泡沫体系。该系统包括一个专门设计的交互式吹扫系统(IBS),作为两个反应性液体成分提供。A组分为聚合物二苯基甲烷二异氰酸酯(PMDI),B组分为不含CFC-或HCFC发泡添加剂的配方多元醇体系。注意:由于可能存在颜料沉淀,在将桶内物质输送至日计量箱之前,应彻底搅动成分B。Baydur 661 IBS系统用于交通、工业和娱乐市场。这些应用通常利用了材料的强度、优异的表面光洁度和大零件性能。与任何产品一样,在给定应用中使用Baydur 661 IBS系统必须由用户提前进行测试(包括现场测试等),以确定适用性。 Baydur 661 IBS is a gray-pigmented, rigid polyurethane structural foam system used in the reaction injection molding (RIM) process. This system incorporates a specially engineered interactive blowing system (IBS) and is supplied as two reactive liquid components. Component A is a polymeric diphenylmethane diisocyanate (PMDI), and Component B is a formulated polyol system containing no CFC- or HCFC-blowing additives. Note: Component B should be agitated thoroughly prior to delivery of drum contents to day tank due to possible pigment settling. The Baydur 661 IBS system is used in transportation, industrial, and recreational markets. The applications typically take advantage of the material's strength, excellent surface finish, and large-part capability. As with any product, use of the Baydur 661 IBS system in a given application must be tested (including field testing, etc.) in advance by the user to determine suitability. |
技术参数 Technical Data | |||
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物理性能 PHYSICAL |
额定值 Nominal Value |
单位 Units |
测试方法 Test Method |
密度 Density |
0.718 | g/cm³ | ASTM D792 |
收缩率 Shrinkage |
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MD:6.35 mm MD:6.35 mm |
0.30 到 0.50 | % | ASTM D955 |
冲击性能 IMPACT |
额定值 Nominal Value |
单位 Units |
测试方法 Test Method |
简支梁无缺口冲击强度 Charpy Unnotched Impact strength 2 |
16 | kJ/m² | 内部方法 |
机械性能 MECHANICAL |
额定值 Nominal Value |
单位 Units |
测试方法 Test Method |
邵氏硬度 Shore hardness |
ASTM D2240 | ||
邵氏 D,6.35 mm Shaw D, 6.35 mm |
71 | ASTM D2240 | |
邵氏 D,12.70 mm Shore D, 12.70 mm |
74 | ASTM D2240 | |
拉伸强度 tensile strength |
ASTM D638 | ||
断裂,6.35 mm Fracture, 6.35 mm |
MPa | ASTM D638 | |
断裂,12.70 mm Fracture, 12.70 mm |
MPa | ASTM D638 | |
拉伸应变 Tensile strain |
ASTM D638 | ||
断裂,6.35 mm Fracture, 6.35 mm |
% | ASTM D638 | |
断裂,12.70 mm Fracture, 12.70 mm |
% | ASTM D638 | |
弯曲模量 Flexural Modulus |
ASTM D790 | ||
6.35 mm 6.35 mm |
MPa | ASTM D790 | |
12.70 mm 12.70 mm |
MPa | ASTM D790 | |
弯曲强度 Flexural Strength |
ASTM D790 | ||
6.35 mm 6.35 mm |
MPa | ASTM D790 | |
12.70 mm 12.70 mm |
MPa | ASTM D790 | |
压缩强度 compressive strength |
ASTM D695 | ||
6.35 mm 6.35 mm |
MPa | ASTM D695 | |
12.7 mm 12.7 mm |
MPa | ASTM D695 | |
热性能 THERMAL |
额定值 Nominal Value |
单位 Units |
测试方法 Test Method |
热变形温度 HDT |
ASTM D648 | ||
0.45 MPa,未退火,6.35 mm 0.45 MPa, unannealed, 6.35 mm |
℃ | ASTM D648 | |
0.45 MPa,未退火,12.7 mm 0.45 MPa, unannealed, 12.7 mm |
℃ | ASTM D648 | |
热固组件 Thermosetting components |
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部件 A Component A |
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部件 B Component B |
备注 |
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1 一般属性:这些不能被视为规格。 |
2 0.5 |
3 0.25 in |
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