Item.

    DF-17

Grade A

Qualified

1

Smoothness & Cleaness

Clean and white surface, even texture, total impurity quantity

 ≤6.impurity quantity(0.5mm-2mm)≤2 impurity

quantity(2mm-3mm)≤1

2

Tensile Strength,(Mpa)  ≥

29

27.4

3

Elong.At Rupture(%)≥

300

280

4

Volume Density,(g/L)

300-450

5

Residue on sieve(65 μ m)(%)≤

3

6

Moisture Content.(%)≤

0.04

7

Melting Point(°C

327 ± 5

8

Stand Relative Density

2.130-2.160

9

Thermal Inst,Index ≤

20

10

For check

Execute according to requirement of HG/T2903-1997

11

For process

For  Molding

12

usage..

 The resin are mainly used as packing products resource and

packing pelletized resuorce,which can be processed to film, the

products of thin wall, seal,gasket,club,panel,tube,axletree,seal

ring,and loop etc.

13

Packing, Storage

Transporation

1. PTFE is packed in double layer PVC bags indide and in hard  

   circular barrels outside,on the barrel,there should be

   attached label and quality certificate,on which there are

   brand,trademark,executive criterion.type,grade,lot NO.and

   net content,pack date, checker,,packager.

2. PTFE should be stored in clean dry warhouse to prevent from

   dust,moisture,etc,foreign matters.

3. The products are transported according to non-dangerous

    products,Heat,moisture,freezing and strong shock should

    be avoided during transportation.Over-bumpiness and

    compression is apt to make the resin bind together.