green garbage bags
邮箱: green garbage bags| zhejiangningbo – 英语 – 亚美尼亚 | 125437349921 | |
| 斯里巴加湾市 (文莱) - 安哥拉 (??) | 斯里巴加湾市 (文莱) - 恩贾梅纳 (乍得) |
| 斯里巴加湾市 (文莱) - 普拉亚 (佛得角) | 斯里巴加湾市 (文莱) - 阿斯马拉 (厄立特里亚) |
| 斯里巴加湾市 (文莱) - 布拉柴维尔 (刚果) | 斯里巴加湾市 (文莱) - ??? (喀麦隆) |
| 斯里巴加湾市 (文莱) - 班吉 (中非共和国) | 斯里巴加湾市 (文莱) - 阿達瑪 (埃塞俄比亚) |
| 斯里巴加湾市 (文莱) - 马拉博 (赤道几内亚) | 斯里巴加湾市 (文莱) - 莫罗尼 (科摩罗) |
| 斯里巴加湾市 (文莱) - 埃塞俄比亚 (???) | 斯里巴加湾市 (文莱) - 布卡武 (刚果民主共和国) |
| 斯里巴加湾市 (文莱) - 本吉拉 (安哥拉) | 斯里巴加湾市 (文莱) - 博博迪乌拉索 (布基纳法索) |
| 斯里巴加湾市 (文莱) - 哈博罗内 (博茨瓦纳) | 斯里巴加湾市 (文莱) - 吉布提 (吉布提) |
| 斯里巴加湾市 (文莱) - 布琼布拉 (布隆迪) | 斯里巴加湾市 (文莱) - 科托努 (贝宁) |
that is, some polymers, such as polyethylene (PE), polyvinyl chloride (PVC), polypropylene (PP), polystyrene ) Commonly known as hard plastic, acrylonitrile butadiene styrene copolymer (ABS), polyethylene - vinyl acetate (EVA), polyamide (PA) commonly known as nylon, in addition to some additives and dyes, the structure is more complex species Many. Polyethylene (PE) Polyethylene, referred to as PE, is a thermoplastic resin obtained by the polymerization of ethylene. PE bag is a kind of garbage bag, PE bag is divided into high density and low density. High-density more tough, high transparency, feel stiff, the price is relatively expensive. General supermarket plastic bags are high-density PE bag. Low-density PE bags are the most common type of soft-bag sold in the market. Quality is inferior, transparency is poor, and the price is low. Procter & Gamble choose the most intermediate density between the two, tough but less transparent. PVC (pvc) resolution method: PVC trash bags transparency, stretchability and viscosity than PE trash bags. PVC garbage bags in the use of fire, the flame black, black smoke, pungent odor, will not drip, leave the fire will automatically extinguished. The PE garbage bag burning yellow flame, tasteless, will drip, and left the fire after burning can continue. Garbage bag classification: 1, environmentally friendly and non-environmentally friendly:
green garbage bags
Activity: garbagebag
