PALLFLEX滤膜7221 7222现货总代理-耗材-金山科研平台 Thermo Fisher官网Nunc、QSP、Nalgene、Invitrogen、Gibco耗材试剂授权一级代理

PALLFLEX滤膜7221 7222现货总代理

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美国PALLFLEX滤膜7221 7222 Emfab过滤膜大气检测滤膜汽车尾气检测滤膜

Emfab™ Filters

Withstands folding for weighing and transport.
Every filter flushed with DI water to remove water-soluble residue.
Low air resistance for use in critical aerosol sampling tests such as diesel exhaust.

美国PALLFLEX滤膜7221 7222 Emfab过滤膜大气检测滤膜汽车尾气检测滤膜技术参数：

Description	Tissuquartz Filters	Emfab Filters*	Fiberfilm Filters
Filter Media	Pure quartz, no binder	Borosilicate glass microfibers reinforced with woven glass cloth and bonded with PTFE	Heat resistant borosilicate glass fiber coated with fluorocarbon （TFE）
Diameter	25 – 142 mm and 8 x 10 in.	12 – 142 mm and 8 x 10 in.	25 – 100 mm and 8 x 10 in.
Typical Thickness	432 µm （17 mils）	178 µm （7 mils）	203 µm （8 mils）
Typical Filter Weight	5.8 mg/cm2	5.0 mg/cm²	3.4 mg/cm²
Typical Water Flow Rate 0.35 bar （35 kPa, 5 psi）	220 mL/min/cm2	32 mL/min/cm²	220 mL/min/cm²
Typical Air Flow Rate 0.7 bar （70 kPa, 10 psi）	73 L/min/cm²	68 L/min/cm²	180 L/min/cm²
Maximum Operating Temperature – Air	1093 ºC （2000 ºF）	260 ºC （500 ºF）	315.5 ºC （600 ºF）
Typical Aerosol Retention**	99.90%	99.95%	96.40%
pH in Boiled Water Extract	6.5 – 7.5	–	–

* The TX40HI45 and TX40HI75 are made from the same materials but were developed in conjunction with the U.S. EPA （Method 26） when a need arose to sample the exhaust gases from the stacks at incinerator facilities. These two grades are made with higher levels of the PTFE binder resin than the TX40HI20WW to withstand the corrosive atmosphere. The TX40HI75 has a higher level of binder than the TX40HI45 and both have a higher level than the TX40HI20WW.

订购信息

7258	TX40HI20WW, 12 mm	100/pkg
7219	TX40HI20WW, 25 mm	100/pkg
7217	TX40HI20WW, 37 mm	100/pkg
7256	TX40HI20WW, 41 mm	100/pkg
7220	TX40HI20WW, 44 mm	100/pkg
7221	TX40HI20WW, 47 mm	100/pkg
7222	TX40HI20WW, 70 mm	100/pkg
7218	TX40HI20WW, 81 mm	100/pkg
7234	TX40HI20WW, 85 mm	100/pkg
7223	TX40HI20WW, 90 mm	100/pkg
7225	TX40HI20WW, 110 mm	100/pkg
7252	TX40HI20WW, 142 mm	100/pkg
7224	TX40HI20WW, 8 x 10 in.	100/pkg
7259	TX40HI45, 25 mm	100/pkg
7262	TX40HI45, 47 mm	100/pkg
7253	TX40HI45, 82.6 mm	100/pkg
7260	TX40HI45, 83 mm	100/pkg
7254	TX40HI45, 110 mm	100/pkg
7263	TX40HI75, 25 mm	100/pkg
7264	TX40HI75, 47 mm	100/pkg
7265	TX40HI75, 82.6 mm	100/pkg
7266	TX40HI75, 110 mm	100/pkg

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PALLFLEX滤膜7221 7222现货总代理

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