How Can We Truly Identify TPR Soles, MD Soles And MD Rubber?
First explain the meaning of several abbreviations of shoe sole (for shoe sole material interpretation).
MD, EVA
1. first, what is MD:MODEL or PHYLON?
2. then what is PHYLON: (commonly known as flying dragon) is a sole sole material for shoemaking, a mixture made of heated and compressed EVA foam. (EVA two high pressure molding) is characterized by light weight, good elasticity and seismic performance, and hardness is controlled by foaming temperature.
3. what is EVA:Ethylene Vinyl Acetate- vinyl acetate fiber? Light and flexible chemical synthetic material.
So: MD shoes must contain EVA, and the bottom of MD is also called PHYLON bottom.
For example, MD=EVA+RB or EVA+RB+TPR, and some shoes are RB+PU and so on.
RB, PU, PVC, TPU, TPR, TR
1. what is RB:RB is the abbreviation of English Rubber (rubber); rubber contains natural rubber and synthetic glue (see Appendix I for details).
Rubber: used for sole of all kinds of sports shoes.
2. what is PU:Polyurethane macromolecule polyurethane synthetic material, which is often used in the middle sole of the back palm, and is based on foam rubber high density durable material.
3. what is PVC:polyvinyl Chloride PVC, its natural color is yellow, plucent and glossy.
Albinism occurs at inflection points.
4. what is TPU: the total thermoplastic polyurethane elastomer (Thermoplastic Polyurethane) is a linear polymer material produced by the reaction of diisocyanate and macromolecular polyols and chain extenders.
5. what is TPR: Thermoplastic Rubber, is a material with both rubber and thermoplastic properties, and the properties of rubber can be processed and recycled according to thermoplastics. It can be manufactured by ordinary plastic molding machine by means of injection molding, extrusion molding and blow molding.
The 6. is the synthetic material of TR:TPE and rubber. It has many features, good feel, bright color, high gloss, high technical content, and can be recycled 100%. It belongs to the environment - friendly shoe sole material.
Identification and characteristics of soles of various materials:
Recognition of PU, PVC, TPR, RUBBER and so on!
Light, the holes on the back of the sole are round, and the sole of the.PVC material is heavier than that of the TPR. The elasticity of the sole of the material is better than that of the PVC, and the sole of the shoe is better than the PVC. If it can be played, the sole of the PVC material is cheaper than the TPR, but the quality is bad. Especially in winter, it is very easy to break the bottom. The sole of the.PVC material is characterized by no injection hole, and the smell of the nose. It will also have long white objects. The surface of the sole is very bright. PU is the lightest and most wearable. Of course, the price is also the most expensive.PU material. The soles are very well recognized.
Weight: RUBBER (rubber) is the heaviest, PU and EVA are the lightest. Material: PU is expensive, EVA, TPR is moderate, PVC is the cheapest.
Technology: TPR is a molding, and PVC is processed, ABS is generally high heel shoe material, expensive and hard.
Application: PVC is mostly used in the material or non weight bearing parts, or in the manufacture of children's shoes; PU leather can be applied to the fabric or weight bearing parts of shoes.
In bags, more PVC leather is applicable.
This is because the goods in the bag are different from the feet in the shoes, which do not emit hot air, and do not bear personal weight.
The difference between PU and PVC is relatively easy. From the side angle, the bottom cloth of PU is much thicker than PVC. There is also a difference in hand feeling. PU feels softer; PVC has a harder handle; it can also be burned with fire, and PU tastes much lighter than PVC.
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