Cobb Size Tester

Product Name : Cobb Size Tester
Product Code :
PTA-NV10X
Details : Measure Water Absorbancy of Paper or Board (Standard or Automatic Clamping Jaw)
Standard and Methods :TAPPI T 441, ISO 535, SCAN P12, DIN 53132, EN 20535, BSEN 20535, PAPTAC F2
Categories :Board including Packaging, Paper
Manufacturer : Noviprofibre (The PTA Group)
Regional Availabilty : US/Can
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PTA-NV10X_-_Cobb_Size_Tester.pdf

Description

To measure the water absorbance of paper or board manually (NV100) or with automatic clamping jaws (NV102).

Available Models:

NV100 – Manual Cobb Size Tester
NV102 – Automatic Cobb Size Tester

 

• Quick sample clamping (by means of two springs).
• Sample test area of 100 cm2.
• 10 kg roll in stainless steel.
• Rubber sealing joint.
• Stainless steel construction.
• Weight (equipment only / with packaging): 13 kg / 15 kg
• Dimensions (W x L x H – equipment only / with packaging): 200 x 300 x 180 mm / 300 x 400 x 200 mm

 

Test Description:
The Cobb method application requires:
1. Apparatus built with rigid cylinder, lower section is 100 +/- 0.2 cm², weight about 5 cm with automatic clamping.
2. Reference NVR: roller in polish metal, 200 mm length, with 90 mm diameter +/- 10 mm and weight is 10 kg +/- 0.5 kg.
3. Reference NVB: blotting paper with basis weight equal at 250 g/m² +/- 25 g/m². Applicable standard ISO 5269-1
4. Basis weight with accuracy at 1 mg
5. Chronometer to read time in second until 30 minutes

 

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