Standard No.: Q/DJ11-115-1999
DP10 is biaxially oriented polyethelene terephthalate (PET) film.
DP10 has excellent mechanical property, heat resistance and dimension stability.
1 Technical requirements
1.1 Appearance
The film is supplied in reel form. Its surface should be flat and smooth. The film should be free of defects such as creases, laceration, dents, bubbles, holes, and contaminations. Edges of rolls must show clean cuts.
1.2 Thickness range and tolerance
Special requirements for thickness can be settled upon negotiation between sellers and buyers.
Recommended nominal thickness is as follows: 125μm 、188μm.
Thickness tolerance: ±5%
1.3 Splices and minimum length
The splices and minimum length can be settled upon negotiation between sellers and buyers. There is no splice without negotiation.
1.4 Property requirements
Be as shown in Form 1
Form 1 The properties of film
|
No. |
Properties |
Units |
Values |
|||
|
40μm～100μm |
>100μm～190μm |
>190μm |
||||
|
1 |
Tensile strength |
MPa |
150 |
140 |
110 |
|
|
2 |
Elongation at break |
% |
≥60 |
≥80 |
≥80 |
|
|
3 |
Shrinkage |
MD |
% |
≤1.5 |
≤2.0 |
≤2.0 |
|
TD |
≤1.0 |
≤1.5 |
≤1.5 |
|||
|
4 |
Transmittance |
% |
8～75 |
7～70 |
6～65 |
|
|
Note: Transmittance can be settled upon negotiation between sellers and buyers. |
||||||
2 Testing methods
2.1 Shrinkage
The period of treatment is 30min, and the temperature of treatment is 150℃±2℃.
2.2 Other items are as per Chapter 5 of Q/DJ11-115-2001 and GB 13950-1992.
3 Inspection, marks, package and storage
3.1 The product with the same lot resins, operators, processing condition and specifications is defined as a batch.
3.2 Inspection items are as per Chapter 1 of this film.
3.3 Storage life: 18 months from the date of dispatch
3.4 Other items should be in accordance with the relative stipulation of Chapter 6 and 7 of standard GB/T 13950—1992.
4 Remarks
4.1 This is a kind of white film. Upon requirements of clients, the product of transparence and semi-transparence film with various specification can be supplied.
4.2 This film is suitable for basic materials of printed film, labels, white panel, picture screen and supporting object of membrane switch, etc.
4.3 Avoid creases, contaminations of dust and oil while being slit and/or used.