由99%高纯硼硅复制成，可用于微量污染的详细化学分析。背景噪音低。为高流量空气采样机特别是PM-10空气采样机收集颗粒物和气溶胶样品而设计。石英滤纸QM-A
特纯适应纤维滤纸。特别是适合空气有机及无机污染物的监测工作。操作温度可达500°C。滤纸经热处理，无粘合剂。用于大气颗粒物。
| Typical Properties - Binder-Free Glass Microfiber Grades | |||||
| Grade | Description | Particle Retention in Liquid (µm) | Air Flow (s/100 mL/in²) | Typical Thickness (µm) | Basis Weight (g/m²) |
| QM-A | Quartz | 2.2* | 6.4 | 450 | 85 |
| EPM 2000 | Pure Borosilicate Glass | 2.0* | 4.7 | 450 | 85 |
*Particle Retention Rating at 98% efficiency
| Ordering Information - Air Sampling Filters and Quartz Filters | ||
| Catalog Number | Description | |
| ||
| 1851-025 | Grade QM-A Circles, 25 mm 100/pk | |
| 1851-032 | Grade QM-A Circles, 32 mm 100/pk | |
| 1851-037 | Grade QM-A Circles, 37 mm 100/pk | |
| 1851-047 | Grade QM-A Circles, 47 mm 100/pk | |
| 1851-050 | Grade QM-A Circles, 50 mm 100/pk | |
| 1851-055 | Grade QM-A Circles, 55 mm 100/pk | |
| 1851-070 | Grade QM-A Circles, 70 mm 100/pk | |
| 1851-082 | Grade QM-A Circles, 82 mm 100/pk | |
| 1851-085 | Grade QM-A Circles, 85 mm 100/pk | |
| 1851-090 | Grade QM-A Circles, 90 mm 100/pk | |
| 1851-101 | Grade QM-A Circles, 101.6 mm 100/pk | |
| 1851-110 | Grade QM-A Circles, 110 mm 100/pk | |
| 1851-118 | Grade QM-A Circles, 118 mm 100/pk | |
| 1851-150 | Grade QM-A Circles, 150 mm 100/pk | |
| 1851-865 | Grade QM-A Sheets, 8 x 10 inches 25/pk | |
| 1851-8866 | Grade QM-A Circles, 8 x 10 inches Numbered 100/pk | |
| ||
| 1882-047 | Grade EPM 2000 Circles, 47 mm 100/pk | |
| 1882-866 | Grade EPM 2000 Sheets, 8 x 10 inches 100/pk | |
| Supporting Documentation - Air Sampling Filters and Quartz Filters |
| Document Name |
 Technical Note PM10 Filters |
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