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Cotton Roll
author:admin date:2016-03-24 10:17 from:未知
1. How many types of cotton roll? And what is the difference between them?
1) Two types of cotton roll: ordinary cotton roll, top crops cotton roll
2) Difference:
  A: Top crops cotton roll must control the square gram, both ends look trim and nice, and also it cost labor.
  B: Ordinary cotton roll is coreless, but top crops cotton roll has the core.
  C: The width is same, and also the thickness of two sides and inside is the same when the top crops cotton roll are unfolded.
2. What’s the technological process of cotton roll?
Blowing—carding—rolling—recombination—slitting—packaging—
encasement—storage
3. What’s the key point of the quality about decreasing cotton roll?
  Square gram, impurity, dark spot
4. How many grams must be controlled between about 500g cotton roll?
  Between 480g to 520g
5. How many types of inner packing about cotton roll? How many types of external packing about cotton roll? What’s the package of the common cotton roll?
1) Inner packing about cotton roll is paper or PE bag.
2) External packing about cotton roll is plastic film and carton.
3) The package of the common cotton roll: paper packaged, then pack into the carton with membrane lining.
6. What are the meanings of net weight and gross weight of each roll and each carton?
1) Net weight means the weight of the product’s own.
2) Gross weight means total weight of product and packing.
7. What’s the square gram scope of the white paper and blue paper we usually use?
1) White paper: 45g or 55g
2) Blue paper: 45g or 60g
8. What’s the effect of the cotton roll interleaved with paper?
  Easy to unfold and layer, and also more smooth after unfolding.
  Also interleaved with paper is easy to cut.
9. What are the common methods for sterilization in China?
  Steam sterilization, ethylene oxide, irradiation with Gamma ray.