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FAQ

What is food grade natural rubber?
Is mainly made of natural rubber, made of natural rubber products, through the relevant national food contact using rubber testing standards, to reach the food grade.
What are the uses of ethylene propylene rubber?
In the electrical and electronic industries, the main use of ethylene propylene rubber excellent electrical insulation, weather resistance and corrosion resistance, in many electrical components used in this kind of rubber. For example, the production of cables with ethylene propylene rubber, especially submarine cables, is replaced by EPDM or EPDM/PP instead of PVC/NBR. The insulation performance and service life of cables have been greatly improved. In the transformer insulation pad, electronic insulation sheath is also a large number of ethylene propylene rubber production.Ethylene propylene rubber combined with other rubber is also a great field of ethylene propylene rubber applications. EPDM can be used in conjunction with other rubbers to improve performance and reduce costs. But due to various complex agents on the affinity of different polymers, covulcanization depends on the polymer crosslinking efficiency of different polymers and may not reach the molecular level compatible blend, but there were no phase separation system. The unequal distribution of complexing agents has a major impact on the properties of ethylene propylene and rubber.
How to test the abrasion resistance of rubber?
As long as the amount of carbon black is added, the wear resistance will be increased. Have the Akron abrasion resistance test (the rubber disc shape small rubber wheels on the wheel rotating friction, turn a lap after the contrast test before and after the rubber wheel quality, poor quality of smaller, better resistance).
What is the lowest cost material for the synthesis of rubber?
Polypropylene ethylene propylene rubber, ah, as if a few domestic, oh, raw materials are not expensive, but the technology is difficult, but it is very simple to say, on the two synthetic. Jilin Petrochemical made decades of synthesis, products or not like us.
How to maintain and store the rubber material?
Rubber itself is a shelf-life, you can ask the supplier to warranty, above all, as fillers, such as calcium carbonate, carbon black, long time no problem, also have a shelf life of antioxidant promoter, especially individual species. When storing, pay attention to fire prevention, moisture-proof, away from the high temperature, avoid direct sunlight, of course, the general "first in first out" is a must follow the truth.
Is sandal rubber bottom good or polyurethane good?
Because rubber is a high molecular compound. Therefore, the sole has high elasticity, high wear resistance, can undergo repeated bending, stretching, compression without damage. It also has acid and alkali resistance, so it is suitable for wearing in rainy days. Like our boots is rubber shoes. The advantage of natural rubber is that it is very soft, elastic, excellent and suitable for all kinds of sports, but the disadvantages are also obvious, that is, it is very hard to wear. Indoor sports shoes, multi-purpose natural rubber. Synthetic rubber is also divided into wear-resistant rubber, environmental protection rubber, air rubber, viscous rubber, hard rubber, carbon rubber.
Does antirust oil affect rubber?
Rust proof oil is a kind of oil which is reddish brown and has anti rust function. It consists of oil soluble corrosion inhibitor, base oil and auxiliary additives. According to the characteristics and application of rust oil sample images can be divided into fingerprint to remove antirust oil, antirust oil, water dilution dilution solvent antirust oil, lubricating oil, seal antirust oil, antirust oil, replacement of thin oil, rust proof grease and rust proof oil. The rust proof oil commonly used inhibitor of fatty acid or naphthenic acid alkaline earth metal salt and naphthenic acid lead, zinc naphthenate, petroleum sulfonate, barium sulfonate, calcium sulfonate, three oleic acid, two tallow amine rosin amine etc..
Excuse me, what is in the rubber rubber, glue them, what is the difference?
The toughness greatly improved than rubber glue. If the car tire is cooked. Generally the same thickness, soft as glue.