Poly Propylene
Alias Polypropylene Resin
Poly Propylene( PP )　

Physical and chemical properties: polypropylene are crystal polymers of regular structure. They are white granules, and are smell-less, nontoxic and light-weighted thermoplastic resins. The density is 0.904g/cm3, the apparent density is ≥0.38g/cm3.They have good mechanic properties with large antitension intensity(≥22MPa), great surface hardness, good elasticity and wear hardness. They have good thermostability with a melting point over 160℃ and a softening point over 120℃. They have good chemical stability. Polypropylene hardly absorb any water, they do not react with most chemicals and are resistant to bases, acids and organic solvents. Polypropylene have good insulation property. The weakness of polypropylene is that they are easy to be embrittled and under low temperature, the impact strength of polypropylene is bad. However, these may be compensated by additives, co-blending and co-polymerization.

Quality standard: this product executes standard Q/SH C001-1998 of Sinopetroleum.

Product application: They may be processed by jet molding, squeeze molding, blow molding, thread-drawing. It is suitable for making various apparatus parts, the shells of TV sets and radio, anticorrosion pipelines, plankings, automobile components, turnover boxes, knitting package bags, thin-film packaging materials, various containers, clothing, carpets and artificial lawns.

Manufacturing methods: this plant uses fine propylene as the raw material, and produces by intermission liquid noumenon method with CS-1 catalyzers.

Toxicity and safety: polypropylene is a non-toxic and harmless product.

Packaging, storage and transportation: Polypropylene-covered knitting bags are used for packaging; Automobiles, trains and ships may be employed for transportation; Fire, water, insolation, dirt and contamination should be avoided during storage and transportation.