pa66/n-277/(图)
pp中石化茂名epc 30r-h-gd
gpps湛江新中美525(蓝底)
pa66美国杜邦htn53g50lr wt358
pa66旭化成(苏州)fr370
pa66德国巴斯夫a3x2g7
pbt宝理330ep-ef2001
pp韩华道达尔bj100
pa66/n-277/(图)
pp新加坡埃克森美孚3980fl
lcp住友化学e4008
abs电气化学tp-801
tpe美国吉力士g7960-1001-00
pa66/n-277/(图)
pa12 瑞士ems tr90lxs
ppsk r140m
tpe德国胶宝tc6coz
etfe 杜邦 230
injection speed: in order to reduce internal stress&deformation, high speed injection should be chosen, but some grades of pp& are not applicable (bubbles&air lines). low velocity injection&higher mold temperature should be used if the surface of the pattern has a bright&dark fringe that is spread by the gate.、unevenly contractive products:、tpee汽车配件tpee具有优异的耐热油性,优异的高低温曲挠疲劳性能,耐磨耗,高韧。用tpee制作的汽车的各类弹性体制件具有比橡胶制件异的综合性能,其耐温等级更高,低温特性,是tpee的疲劳性能是其它弹性体所的。在汽车配件中主要用于:cvj防尘罩、球头防尘罩、悬臂护套、拉杆护套等各种防尘罩和护套;球头腕;空气软管发动机进气风管安全气囊、安全带部配件,汽车前大灯,汽车门锁,卡箍,门把手密封环、防震减磨板、消音齿轮、管塞、堵塞、窗玻璃减震座、减震底盘、底盘耐石击涂层等。东丽、tpee 2551、tpee 4047、tpee 4057、tpee 4767、tpee 4767bk、tpee 4767w、tpee 4777、tpee 5556w、tpee 5556wbk、tpee 5557、tpee 5557bk、tpee 5557m、tpee 5557wbk、tpee 5557whb399、(3) machinery industry: for shell, structural parts, wear-resistant parts&sealing materials, including pump body, valve, bearing, bearing bracket, piston ring&gear.、nozzles: 290~300 c、recycling: can、flexural modulus 3100 mpa astm d790、2, reduce the temperature of the material&reduce the temperature of the nozzle.、pvc塑胶原料有分解。塑胶原料碎屑卡入柱塞和料筒间。塑胶原料受到污染或带进杂质。塑胶原料颗粒匀。模腔排气变形。模具温度太高、冷却时间不够。制品壁厚厚薄悬殊。顶针推出位不当,制品受力匀。模腔不光滑,脱模不顺畅,力太。性能塑胶原料问世仅一百多年,但其发展得却非常的快,这是因为塑胶原料具有许多而的性能所赋予的。塑胶原料的品种很多,其性能也有差异,这里主要介绍塑胶原料的一些共性。、10) the forming shrinkage rate of ppo is small, which is generally 0.2% 1 0.7%, so the product has good size stability.、construction industry. since entering 90s, the market application of pmma in construction industry has developed greatly. consumption has increased rapidly. in 2000, it has reached 85 thousand tons, including 29 thousand tons of pouring boards, 25 thousand tons of extruded plates,&31 thousand tons of moulded plastics (excluding extrusion moulds). it is expected that in the next few years, the growth rate of the chinese acrylic plexiglass market will remain above 6% annually. the market capacity of acrylic plexiglass in china is estimated to be 110 thousand tons by 2005, of which construction industry accounts for about 60% to 70%.、volume resistivity, omega cm、 、& amp
、nowadays, there are many circulation on the market, which can also achieve the physical properties of raw materials,&the price is also much cheaper than raw materials, which ses a lot of money to merchants.、liquid nitrogen in the united states、hdpe product performance、sex low density polyethylene (english: linear low density polyethylene for short, lldpe,)、ppo通过与其它工程塑料,如聚pa、聚对乙二醇酯pet、聚对丁二醇酯(pbt)、聚pps等共混制备的ppo合金,即第二代ppo合金。另外,可以按组分间的相容性将聚醚合金分为:1相容体系,主要是指ppo/ps;2非相容体系,包括ppo/pappo/pbt、ppo/pet、ppo/聚ptfe、ppo/聚烯po等;3部分相容体系,包括ppo/聚pc、ppo/pps,ppo/--共聚物s,ppo/--共聚物abs、ppopmma、ppo/-共聚物san等。、the proportion of 1.18 g/cm3 astm d792
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