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Felt Industry Standards

Mar 15, 2017

1. g / cm3 means the unit weight (total density) T that special products

2. Density range T112-32-44

112-9-25 expressed as fine wool first-class goods second-class goods

3. Density range T122-24-38

122-24-30 said semi-coarse wool first-class second-class goods

4. Density range T132-24-36 said coarse wool second-class goods

5. When ordering, please be prompted, specifications, models and numbers can be

6. Provide drawings and picture details at the same time

7. Felt barrels, filter elements, felt parts, oil seals, gaskets, felt pieces, felt strips are generally available for samples.

8. Allow the description of the deviation

★ density above 0.30g / cm3

Thickness 1.5-2.5mm positive and negative deviation of 20% first class goods

Positive and negative deviation of 27% second grade goods

Thickness of 2.6-25mm positive and negative deviation of 11% -14% first class goods

Positive and negative deviation of 15% -17% second class goods

★ density below 0.30g / cm3c

Thickness 1.5-2.5mm positive and negative deviation of 25% first class goods

Positive and negative deviation of 30% second grade goods

Thickness of 2.6-25mm positive and negative deviation of 11% -18% first class goods

Positive and negative deviation of 15% -25% second grade goods

9. The content of free sulfuric acid can be expressed as required

10. The above implementation standards according to the People's Republic of China textile industry

Industrial Felt FZ / T25001-92Z implementation