Polyethylene fiber is known for its high strength and durability features. The material is used in a variety of applications, for example, envelopes, medical and industrial packaging, and as protective apparel.
The polyethylene sheet is made by spinning extremely fine high-density polyethylene fibers fused together to produce a strong uniform web. Inside the sheet antistatic agent is applied as a thin microporous film on a coarse fabric consisting of millions of small pores.
Before the antistatic agent is applied, it must be diluted to a 1.5 or 2.5 % solution by the addition of water. Vaisala K-PATENTS® Process Refractometer PR-43-GC is used to measure the concentration of antistatic agent after it is diluted, and before it is applied to the polyethylene sheet.
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