PE-UHMW（超高分子量聚乙烯）俗称UPE。 
PE-UHMW (ultra high molecular weight polyethylene) is commonly known as UPE.

特性：抗冲击性（抗冲击性居塑料之首）、耐腐蚀性好、优异的耐化学性能、密度比其他热塑性塑料低,摩擦系数低、优越的脱模性能、极底的吸水率、极好的电绝缘性和抗静性、适中的机械强度、刚性的耐蠕变性能，优异的机械加工性能、连续自然性、良好的抗高能量辐射性能.作为一种新型工程塑料，集多种优异性能于一身 
Characteristics: impact resistance (impact resistance is the first of plastics, good corrosion resistance, excellent chemical resistance, density than other thermoplastic plastics, low friction coefficient, excellent demoulding performance, extreme bottom water absorption, Excellent electrical insulation and static resistance, moderate mechanical strength, rigid creep resistance, excellent machining performance, continuous nature, good resistance to high energy radiation. As a new type of engineering plastics, it has many excellent properties

1. 耐磨性居塑料之冠，比尼龙66和聚四氟乙烯高4倍，比碳钢高6倍； 
1. Wear resistance is the highest in plastics, 4 times higher than nylon 66 and polytetrafluoroethylene, 6 times higher than carbon steel.

2.冲击强度列塑料之首，为PC的2倍，ABS的5倍，且能在液氮温度（－196℃）下保持高韧性； 
2. The impact strength of plastics is 2 times that of PC and 5 times of that of ABS, and it can keep high toughness at liquid nitrogen temperature (-196 ℃).

3.自润滑性与聚四氟乙烯相当， 
3. The self-lubricity of PTFE is comparable to that of PTFE.

4.冲击能吸收值在所有塑料中为最高值，消音效果很好； 
4. Impact energy absorption value in all plastics is the highest value, the effect of sound is very good;

5.化学稳定性很高，在一定温度和浓度范围内能耐各种腐蚀介质及有机介质的作用。 
5. Chemical stability is very high, in a certain temperature and concentration range can resist various corrosion media and organic media.

6.抗粘附能力极强，仅次于聚四氟乙烯； 
6. The anti-adhesion ability is extremely strong, second only to PTFE;

7.完全卫生无毒，可用于接触食品和药物； 
7. Completely hygienic and non-toxic, can be used for contact with food and medicine;

8.密度在所有工程塑料中最小，比聚四氟乙烯轻56％。 
8. The density is the smallest of all engineering plastics, 56 times lighter than polytetrafluoroethylene.