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Standard Qualitative Filter Paper Grade 302, Johnson

Name: Standard Qualitative Filter Paper Grade 302, Johnson
SKU: 98915286
Availability: InStock

Grade 302 is a thick smooth paper, suitable for the removal of fine particles. This paper is made with 100% pure cellulose fibres that have been strengthened to resist the pressure when they are used in filter press systems. There is therefore no contamination danger during transfer steps. This high absorbency grade is twice as thick as Grade 301 with a bigger pore size. The extra thickness gives higher wet strength and loading capacity, enabling more precipitate to be held without clogging the filters and better handling. Grade 302 is also highly suitable for use in Buchner funnels and dye filtration.

In Stock: Yes

Categories: Filter Paper|Tags: Filter Paper, Filtration, Grade 302, Johnson, laboratory supplies, Standard Qualitative|

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Key Specification

Product Code	Diameter (mm)	Johnson Grade	Speed Class	Thickness (mm)	Pore Size (μm)	Weight (g/m²)	*Filtration Speed (sec)**	Burst Strength (Kg/cm²)
302055	55	302	Medium Filtering	0.3	12-16	150	65	3.90
302070	70	302	Medium Filtering	0.3	12-16	150	65	3.90
302090	90	302	Medium Filtering	0.3	12-16	150	65	3.90
302110	110	302	Medium Filtering	0.3	12-16	150	65	3.90
302125	125	302	Medium Filtering	0.3	12-16	150	65	3.90
302150	150	302	Medium Filtering	0.3	12-16	150	65	3.90
302185	185	302	Medium Filtering	0.3	12-16	150	65	3.90
302240	240	302	Medium Filtering	0.3	12-16	150	65	3.90
302300	300	302	Medium Filtering	0.3	12-16	150	65	3.90
302320	320	302	Medium Filtering	0.3	12-16	150	65	3.90

Description

Product Code	Diameter (mm)	Johnson Grade	Speed Class	Thickness (mm)	Pore Size (μm)	Weight (g/m²)	*Filtration Speed (sec)**	Burst Strength (Kg/cm²)
302055	55	302	Medium Filtering	0.3	12-16	150	65	3.90
302070	70	302	Medium Filtering	0.3	12-16	150	65	3.90
302090	90	302	Medium Filtering	0.3	12-16	150	65	3.90
302110	110	302	Medium Filtering	0.3	12-16	150	65	3.90
302125	125	302	Medium Filtering	0.3	12-16	150	65	3.90
302150	150	302	Medium Filtering	0.3	12-16	150	65	3.90
302185	185	302	Medium Filtering	0.3	12-16	150	65	3.90
302240	240	302	Medium Filtering	0.3	12-16	150	65	3.90
302300	300	302	Medium Filtering	0.3	12-16	150	65	3.90
302320	320	302	Medium Filtering	0.3	12-16	150	65	3.90

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