类别:聚合物;薄膜;热塑性;亚克力(PMMA);弹性体,热塑性弹性体
材料说明:说明:有机玻璃®透明膜99845,以甲基丙烯酸甲酯和丙烯酸丁酯的弹性体,是绝对清楚。有机玻璃®透明膜99845表现出很好的耐候性,并提供了良好的保护,对天然紫外线辐射,它吸收了超过98%。此外,该膜是抗应力美白。紫外线吸收剂是化学结合,不容易迁移。
这种材料的具体说明:有机玻璃®电影99845适合用于彩色或晶PVC型材紫外线和天气的保护膜,保护由PVC或玻璃纤维增强聚酯板材和型材。它为花园家具提供紫外线保护,以及紫外线防护和升级的表面硬度。
物性表:
图:

物性表:
Physical Properties | Metric | English | Comments | ||
---|---|---|---|---|---|
Density | 1.13 g/cc | 0.0408 lb/in³ | ISO 1183 | ||
Mechanical Properties | Metric | English | Comments | ||
Film Tensile Strength at Yield, MD | 45.0 MPa | 6530 psi | no direction given; ISO 527 | ||
Film Elongation at Break, MD | 25 % | 25 % | no direction given; ISO 527 | ||
Film Elongation at Yield, MD | 4.0 % | 4.0 % | no direction given; ISO 527 | ||
Tensile Modulus | 1.00 GPa | 145 ksi | ISO 527 | ||
Electrical Properties | Metric | English | Comments | ||
Volume Resistivity | >= 1.00e+13 ohm-cm | >= 1.00e+13 ohm-cm | No thickness given; IEC 250 | ||
Surface Resistance | >= 1.00e+13 ohm | >= 1.00e+13 ohm | IEC 250 | ||
Dissipation Factor ![]() |
0.030 @Frequency 1e+6 Hz |
0.030 @Frequency 1e+6 Hz |
IEC 250 | ||
0.040 @Frequency 100 Hz |
0.040 @Frequency 100 Hz |
IEC 250 | |||
Thermal Properties | Metric | English | Comments | ||
CTE, linear | 150 µm/m-°C @Temperature 0.000 - 50.0 °C |
83.3 µin/in-°F @Temperature 32.0 - 122 °F |
DIN 53752A | ||
Specific Heat Capacity | 1.50 J/g-°C | 0.359 BTU/lb-°F | |||
Vicat Softening Point | 104 °C | 219 °F | ISO 306, Method B 50 | ||
Optical Properties | Metric | English | Comments | ||
Refractive Index | 1.49 | 1.49 | ISO 489 | ||
Haze | <= 1.0 % | <= 1.0 % | ASTM D1003 | ||
Yellow Index | <= 0.40 % | <= 0.40 % | ASTM D1925 | ||
Transmission, Visible | 92 % | 92 % | DIN 5036 | ||
UV Transmittance | <= 2.5 % | <= 2.5 % | DIN 5036 | ||
De |
|||||
Pencil Hardness | 3H-4H | ASTM D3363 |

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