Filtry do pomiaru si造 zap這nu Grade 2 IP

Certyfikowane filtry Grade 2 IP, testowane zgodnie z procedur ASTM E 2187-09 sekcje 9.3.1 i 9.3.2. Papier spe軟ia wymagania dotycz鉍e masy kondycjonowanej (26,1 0,5 g, SD 0,3 g), jak i suszonej (24,7 0,5 g, SD 0,3 g).
This certified Grade 2 filter is tested according to the procedure detailed in ASTM E 2187-09 Sections 9.3.1 and 9.3.2. The paper meets both the conditioned (26.1 0.5 g, SD 0.3 g) and dried (24.7 0.5 g, SD 0.3 g) weight requirements.
Grade Grade 2 
Grade Type Standard 
Typical Particle Retention in Liquid 8 µm 
Nominal Thickness 190 µm
Typical water flow rate 38 ml/min 
Nominal Basis Weight 97 g/m2
Nominal Air Flow Rate 20 s/100 ml/in2
Nominal Ash Content 0.06% 
Material Cellulose 
Typical Trace Element Levels Aluminium 3.6 µg/g Antimony <0.5 µg/g Arsenic <0.5 µg/g Barium <0.5 µg/g Boron <1 µg/g Calcium 27.5 µg/g Chromium 1 µg/g Copper 0.9 µg/g Iron 13.7 µg/g Lead <0.5 µg/g Magnesium 21 µg/g Manganese <0.5 µg/g Mercury <0.5 µg/g Potassium 6.2 µg/g Silicon 8.8 µg/g Sodium 32.3 µg/g Zinc 58.3 µg/g 
Application Used for monitoring specific contaminants in the atmosphere and in soil testing.
Product Product Name Format Dimensions
1002-147 Grade 2 Qualitative Filter Paper Standard Grade; circle; 150 mm; certified for IS testing Circles 150 mm