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Dongguan Mingzhen Rubber & Plastic Products Co., Ltd.

18 yearsFocus on R & D and production of silicone rubber products

Become a respected supplier of silicone rubber products

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+86-136 6988 8704

Dongguan Mingzhen Rubber & Plastic Products Co., Ltd.
18 years focus on silicone rubber products research and development and production
Professional customization

Dongguan Minz Rubber & Plastics Co., Ltd.

Add.: No.4, New Industrial Road, Shipai Tangwei, shipai town, Dongguan City
Tel: +86-0769-8665 2688
Fax: +86-796-8180 6477
Contact: Miss Li +86-136 6988 8704
Mailbox:lixiaoxia@dgminz.com.cn

The reason for the dark mark of silica gel is to judge whether it is of high quality.

The reason for the dark mark of silica gel is to judge whether it is of high quality.

2021-01-12 17:00:55

The dark marks of silicone products belong to a kind of poor appearance, which is manifested as two colors or messy ripples on the surface after molding, and the ripple distribution is disorderly, which will affect the overall appearance. Generally speaking, silicone products are related to production, but there are some small reasons worthy of attention. The temperature resistance of the color masterbatch is too poor, resulting in water ripples on the surface of silicone rubber products. The silicone raw materials of silicone products can be divided into ordinary silicone and meteorological silicone according to the performance of silicone keys. The cold resistance of O-ring: ordinary rubber is delayed by -20-30, that is, silicone rubber still has good elasticity at -60-70, and silicone rubber with some special formulations of sealing ring can also withstand extremely low temperatures. Widely used in occasions requiring heat resistance, hot water bottle sealing ring, pressure pot ring heat-resistant handle, rubber material prone to dark marks during molding, liquid silica gel is made of more than two kinds of color masterbatch. If the temperature resistance of several color masterbatches is too far apart, this will lead to some color masterbatches not changing color during high temperature molding, while some color masterbatches change color because the temperature resistance of the silica gel product factory is too poor, the phenomenon of water ripples on the surface of silicone rubber products after molding. What kind of silicone products are of high quality, and what standards or factors are there to judge whether a molded silicone key manufacturer is good. 1. Whether the burr of the self-unthreading of the product feels rough or not, the size of the clamping line determines the mold workmanship of the product, and the mold workmanship determines the overall effect of the product. The self-unthreading is very heavy. 2. The vulcanization effect of the product, the uneven hardness and softness of the product, the poor tensile rebound strength and the poor rebound effect are related to the problem of vulcanization time and raw materials of the manufacturer. 3. The color and smell of Yan rubber products and the uniformity of the color blending of silica gel products depend on the uniformity of the mixing process. The longer the time, the better the color saturation. 4. The silicone raw material is non-toxic and tasteless rubber keys. However, the raw material will have a little glue smell when adding vulcanizing agent and passing through the high-temperature oil pressure molding process of the silicone manufacturer. However, it will gradually disappear after secondary sulfur addition and long-term placement, so it is normal that there is no smell.

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Rubber product performance requirements for fillers

Rubber product performance requirements for fillers

2020-12-05 16:36:20

Rubber, together with plastic and fiber, is called the three major synthetic materials. It is the only polymer material with high flexibility and excellent elasticity. Silicone product manufacturers are easy to clean: silicone cake mold products can be washed with clean water after use, and silicone products can also be cleaned in dishwashers. Long life: silicone material properties are very stable, made of cake mold products, than other materials have a longer life. Soft and comfortable: thanks to the softness of silica gel material, cake mold products feel comfortable, very flexible, no deformation, silica gel products with silica gel keys open porous structure, can absorb many substances, is a good desiccant, adsorbent and catalyst carrier. The adsorption effect of silica gel is mainly physical adsorption, which can be regenerated and used repeatedly. Seal ring acid is added to alkali metal silicate (such as sodium silicate) solution to acidify it, and then a certain amount of electrolyte is added to stir, I .e. silicic acid gel is generated, or acid or ammonium salt can be added to concentrated sodium silicate solution to generate silicic acid gel. The biggest characteristic of rubber is that the elastic modulus is very small and the elongation is high. Silica gel products have an open porous structure, can absorb many substances, is a good desiccant, adsorbent and catalyst carrier, the adsorption of silica gel is mainly physical adsorption, can be regenerated and used repeatedly, in alkali metal silicate (such as silica gel products factory sodium) solution plus acid, so that acidification, and then add a certain amount of electrolyte stirring, that is, the formation of silicic acid gel, alternatively, the addition of an acid or ammonium salt to a more concentrated sodium silicate solution can also produce a silicic acid gel. The reinforcing filler particles should have strong chemical active silica gel key manufacturer in name, can produce good combination with rubber, can improve the mechanical function, aging resistance function and adhesive function of vulcanized rubber, silica gel products have open porous structure, can adsorb many substances, is a good desiccant, adsorbent and catalyst carrier, the adsorption effect of sealing silica gel is mainly physical adsorption, can be regenerated and repeatedly used. Add acid to alkali metal silicate (such as sodium silicate) solution to acidify it, and then add a certain amount of electrolyte to stir to generate silicic acid gel, or add acid or ammonium salt to concentrated sodium solution of silicone rubber products to generate silicic acid gel. The non-reinforcing filler particles are chemically inert in name, do not produce chemical combination with rubber, and do not affect the mechanical function, weather resistance, acid and alkali resistance and water resistance of vulcanized rubber. Individually, the finer the rubber key particles of the reinforcing filler, the larger the nominal product, the larger the contact area with the rubber, and the better the reinforcing consequences. The finer the non-reinforcing filler particles, the better the mixing consequences after adding rubber, but the evacuation must be uniform. If the evacuation is uneven, even if the particles are very fine, the mixing consequences are not good.

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Rubber products production process common raw materials

Rubber products production process common raw materials

2020-12-05 16:23:10

The process of converting plastic rubber into elastic rubber by vulcanization is called vulcanization. It is to add a certain amount of vulcanizing agent (such as sulfur, vulcanization promoter, etc.) to the semi-finished product made of raw rubber (carried out in a vulcanization tank), heat and keep warm at the temperature of the designated silica gel product, so that the linear molecules of raw rubber are crosslinked to form a broken network structure through generation and sulfur bridges, so that the plastic rubber into the existence of high elastic vulcanized rubber. Silicone products manufacturers are easy to clean silicone keys: silicone cake mold products can be washed in clean water after use, and can also be cleaned in the dishwasher. Long life: silicone material properties are very stable, made of cake mold products, seals than other materials have a longer life. Soft and comfortable: thanks to the softness of the silicone material, the cake mold product feels comfortable to the touch, is extremely flexible and does not deform. Silica gel products have an open porous structure and can absorb many substances. It is a good desiccant, liquid silica gel adsorbent and catalyst carrier. The adsorption of silica gel is mainly physical adsorption, which can be regenerated and used repeatedly. Acid is added to the alkali metal silicate (such as sodium silicate) solution to acidify it, and then a certain amount of electrolyte is added into the silica gel product factory for stirring to generate silicic acid gel, or in a more concentrated sodium silicate solution with acid or ammonium salt can also generate silicic acid gel, because the crosslinking bond is composed of sulfur, so called, vulcanization. Silica gel products with open silica gel key manufacturers of porous structure, can absorb many substances, is a good desiccant, adsorbent and catalyst carrier, silica gel adsorption is mainly physical adsorption, can be regenerated and used repeatedly. Butyl rubber IIR. Advantages of seals: they are impermeable to most individual gases, have good resistance to sunlight and odor, can be exposed to animals or animal oil or gasifiable chemicals, problems: they are not advocated to be used at the same time as petroleum solvents, kerosene and aromatic hydrogen rubber products, and are used for inner tubes, leather bags, rubber paste paper, window frame rubber, steam hoses, heat-resistant conveyor belts, etc. EPDM. Advantages: good weather resistance and ozone resistance, excellent water resistance and chemical resistance of rubber buttons, alcohols and ketones, high temperature vapor resistance, good non-permeability to gas, silica gel products with open porous structure, can absorb many substances, is a good desiccant, adsorbent and catalyst carrier.

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Application of rubber products in automobiles

Application of rubber products in automobiles

2020-12-05 16:13:15

Rubber is a hot-soluble thermosetting elastomer, while plastic is hot-soluble and cold-curable. Silicone products are easy to clean by manufacturers: silicone cake mold products can be washed with clean water after use, and can also be cleaned in a dishwasher. Long life: silicone material properties are very stable, made of cake mold silicone products, than other materials have a longer life. Softness and comfort: thanks to the softness of silica gel material, cake mold products feel comfortable to touch, are extremely flexible and do not deform. rubber has a commensurate gap in the temperature range of molding and curing due to different sulfide varieties. even silica gel keys can be affected by scene changes and indoor temperature and humidity. therefore, the production premise of rubber finished products needs to be adjusted appropriately at any time. if not, differences in product quality may occur. Rubber products are mixed rubber made from rubber raw materials after internal mixer mixing. The formula is designed according to the characteristics of the required rubber products during rubber mixing, and the required product hardness is determined. Silica gel products have an open porous structure and can absorb many substances. It is a good desiccant, adsorbent and catalyst carrier. The adsorption effect of silica gel is mainly physical adsorption, it can be regenerated and used repeatedly. Acid is added to the alkali metal silicate (such as sodium silicate) solution to acidify it, and then a certain amount of electrolyte is added to stir it to generate silicic acid gel, or acid or ammonium salt is added to the concentrated sodium silicate solution. Rubber products use natural and synthetic rubber as raw materials to produce various rubber products. It also includes rubber products reproduced from waste rubber. Silica gel products have an open porous structure and can absorb many substances. It is a good desiccant. It absorbs silica gel key manufacturers and catalyst carriers. The adsorption effect of silica gel is mainly physical adsorption and can be regenerated and used repeatedly. With the development of automobile in ancient times, the request of automobile rubber products is becoming more and more strict and harsh, but the request exists all kinds of special function of rubber materials satisfactory seal car new skills request, but also request rubber materials have higher physical and mechanical function, such as aging resistance, high resistance, low temperature, new fuel resistance and excellent dynamic fatigue function, long service life and so on. In fact, every high function of rubber products in ancient automobiles has to be guaranteed by the technical progress and supply of rubber products. The function and quality of automobile rubber products play an extremely vital role in improving the quality level of automobile vehicles. It is worth pointing out that the role of rubber products is always accessories, but this accessory always controls the technical progress and skill level of rubber keys of the main engine. In the automotive industry, rubber products can be divided into seven categories: tires, sealing products, shock-absorbing products, insurance products, tape products, hose products and other products such as wipers, fenders, adhesives, sealants and interior products Wait.

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Method of low temperature trimming in the manufacture of rubber products

Method of low temperature trimming in the manufacture of rubber products

2020-12-05 15:20:44

When rubber products are molded, they are suppressed by great pressure, and their internal cohesion is helplessly eliminated due to the elastomer. When molding away from the mold, they often produce extremely weak contraction (the contraction rate of rubber varies due to different types of rubber), which must be passed through a period of time after silicone products. The ability slowly and firmly comes down. Silica gel products have an open porous structure and can absorb many substances. It is a good desiccant, adsorbent and catalyst carrier. The adsorption of silica gel is mainly physical adsorption. It can be regenerated and repeatedly used for pressing silica gel. Acid is added to alkali metal silicate (such as sodium silicate) solution to acidify it, and then a certain amount of electrolyte is added for stirring to generate silicic acid gel, or adding acid or ammonium salt to a concentrated sodium silicate solution can also generate silicic acid gel. Therefore, when the sealing ring is designed as a rubber product, no matter the formula or mold, it is necessary to carefully calculate the coordination, otherwise. It is easy to produce products size is not firm, resulting in low quality products, it is a hot thermosetting elastomer. The plastic is a liquid silicone hot melt cold solid, rubber due to the different varieties of sulfide, the temperature of its molding and curing category. There is also a commensurate gap, even due to the change of scene and the influence of indoor temperature and humidity. Therefore, the production premise of rubber products, silicone products factories need to make moderate adjustments at any time. If they do not adjust, differences in product morality may occur. Rubber products are widely used in the production of shock-absorbing complete machines, and are used in liquids with hydroxyl such as automobile brake oil and ethanol. Silicone products manufacturers are easy to clean: silicone cake mold silicone keys manufacturers can restore clean after rinsing with clean water, and can also be cleaned in dishwashers. Long life: silicone material properties are very stable, made of cake mold products, than other materials have a longer life. Soft and comfortable: thanks to the softness of the silicone material, the seal cake mold product feels comfortable to the touch, is extremely flexible and does not deform. Low-temperature drum trimming: also known as drum freezing trimming, it is the earliest low-temperature trimming method. it uses the impact force of the drum rotation process and the friction force between the products, so that the brittle rubber edge of the rubber products has been frozen to break off. silica gel products have an open porous structure and can absorb many substances. it is a good desiccant, adsorbent and catalyst carrier. the adsorption effect of silica gel is mainly physical adsorption, can be recycled and repeated use of rubber keys. Low temperature vibration trimming: also known as vibration freezing trimming, it is the use of the famous vibration grinding method of metal products on rubber products. It uses the impact between products and between products and abrasives in spiral vibration to cause frozen brittle rubber edges to fall.

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