双向拉伸聚苯乙烯（BOPS）薄膜(窗口膜， 信封膜） 

 BOPS窗口膜亮光/新型环保双向拉伸聚苯乙烯(PS)窗口膜(包括信封窗口膜、食品包装用窗口盒等)
环保型双向拉伸聚苯乙烯(BOPs)窗口膜的基体是聚苯乙烯(PS)。
聚苯乙烯本身具有无毒、无味、高透明度、耐水、耐化学品性能、易加工成型、电性能好，密度较低等特点。强度高、刚度大、透明性好、加工方便、易于着色、热封可靠等优点，比重轻(1.05g/cm3)、透明度好(90%)，成型饱满、挺括，并且具有无毒无味等优点。同时它又是一种国际公认的符合美国FDA标准的环保级的包装材料。
采用填充增强、添加特殊助剂等措施，可使该窗口膜具有高强度、高透明度。该产品生产过程符合环保要求，产品本身又具有良好的耐水性和抗静电性 
我司BOPS产品通过ISO9001、ISO14000体系论证。

用途：
1.） 是快递信封用窗口膜或者礼品包装盒子用窗口膜。大量的商业信函需要开窗口设计，各类邮寄资费的通知，比如：邮电，银行，政府机关等。又原来的盒式包装转向现在的开窗包装。在信封开窗包装和各类礼品等开窗包装商业需求下，BOPS窗口膜应运而生并不断壮大。

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BOPS窗口膜亮光

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BOPS window envelope film (Biaxially oriented polystyrene film)

1. BOPS window envelope film (environmental protection type)
BOPS film including BOPS window envelope film,BOPS film, BOPS shrink film
2. Feature of BOPS film:
- Has a very good anti-static ability.
- The smoothness of a good film, the production process in an envelope will rarely produce
a result of thin film and mechanical standstill.
- Film slitting good, with high-intensity endurance, meanwhile horizontally easily torn,
very suitable for the production of high-speed operation of the envelope.
- Low-cost, in China and Japan are using the standard 25um thickness, and other companies
produced BOPS Materials 27um, 29um, compared the cost of a cheap film envelopes 8% ~ 16%.
3. Spec. sizes of BOPS film :
BOPS film (Biaxially oriented polystyrene film),
Normal Roll sizes for BOPS film:25UM*105,110,120,125,130,135MM*4000M
Density :1.04(g/CM3)   Color: Clear/ transparent or printed color logos
Thickness of BOPS film: 27 g/m2 ( 30 Microns ),29 g/m2 ( 32 Microns),35 g/m2 ( 39 Microns),
Width of BOPS film rolls:100,105,115,120,125,130,135,150 MM. Length of BOPS film rolls:3000-4000M .
BOPS were most suitable use for the envelope window film thin, a very perfect read rates, can improve efficiency, thereby creating economic benefits. Whether it
is an envelope manufacturer, bulk mail, the mail sorting business, postal operators, OPS
film can bring you better work efficiency and economic benefits.

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BOPS窗口膜亮光
www.boppfilmsales.com

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