PRODUCTS

Filter paper, chemical analysis filter paper, qualitative filter paper,quantitative filter-paper.

     Filter paper,chemical analysis filter paper, qualitative filter paper,quantitative filter paper.
Is manufactured with high grade fine cotton as raw material,through modern original paper making technology and advanced paper making equipment.It’s pure cotton paper of high purity&certain strength.the products are widely used for scientific research,industry,agriculture,medicine &hygiene,as well as environmental protection,etc.for use of qualitative &quantitative analysis as well as qualitative&quantitative chromatographic analysis and test.products through ISO 9001.UL,SGS certification .
According to the speed,divided into three kind:fast speed,medium speed,slow speed.
According to figure:round and square.
Round:Φ7cm,Φ9cm,Φ11cm,Φ12.5cm,Φ15cm,Φ18cm,Φ22cm,Φ24cm.
Square:600*600mm,300*300mm.


Item

Model

Size

Basis weight

Packing

 

 

 

 

Qualitative
filter paper

fast speed
101

 

Square (L x W): 600 mmx 600 mm,460mmx 570mm
Round (diameter): 70mm, 90mm, 110mm, 125mm, 150mm, 185mm,240mm

 

80g/m2

 

Square:100sheets/package
10packages/carton
Round:100sheets/box
50boxes/carton

moderate speed
102

slow speed
103

Ashless
filter paper

fast speed
201

Round (diameter): 70mm, 90mm,
110mm, 125mm, 150mm, 185mm

80g/m2

Round:100sheets/box
50boxes/carton

moderate speed
202

slow speed
203



Technical Data
项目
ITEMS
单位
UNIT
定性滤纸 Qualitative filter paper 定量滤纸Quantitative filter paper
快速
Fast speed
中速
Medium
慢速
Slow speed
快速
Fast speed
中速
Medium
慢速
Slow speed
No.101 No.102 No.103 No.201 No.202 No.203
定量
Basis weight
GSM 80 80 80 80 80 80
分离沉淀
Precipitate
  氢氧化铁
Coarse and Gelatinous
Precipitate
硫酸铅
Crystalline
热硫酸钡
Fine Crystalline
氢氧化铁
Coarse and Gelatinous
Precipitate
硫酸铅
Crystalline
热硫酸钡
Fine Crystalline
过滤速度≤
Filter speed
秒(S) 35秒以下
35
 
70 140 35 70 140
灰份≤
Ash Content
% 0.15 0.15 0.15 0.01 0.01 0.01
含铁量≤
Fe Content
% 0.003 0.003 0.003 0.003 0.003 0.003
水抽出物
Water Extracts
PH 6.5-7.5 6.5-7.5 6.5-7.5 5-8 5-8 5-8
孔径
Pore Size
μm 20~25 15~20 10~15 20~25 15~20 10~15
水溶性氯化物≤
Water Soluble Chloride
% 0.02 0.02 0.02 0.02 0.02 0.02
相当于英国瓦特曼牌号Similar to Whatman brand   No.4 No.1 No.5 No.41 No.40 No.42
No.44
  规格Size 规格Size
60X60CM
圆型滤纸直径为:
Diameter of Circular Filter Paper:
70.90.110.125.150.180MM
可按用户需要供应其他规格
We can supply other specifications according to the requirement of customers.
60X60CM
圆型滤纸直径为:
Diameter of Circular Filter Paper:
70.90.110.125.150.180MM
可按用户需要供应其他规格
We can supply other specifications according to the requirement of customers.