Silicon carbide (sic), also known as carborundum, is a compound of silicon and carbon with chemical formula sic. It occurs in nature as the extremely rare mineral moissanite. Silicon carbide powder has been mass-produced since 1893 for use as an abrasive. Grains of silicon carbide can be bonded together by sintering to form very hard ceramics  that are widely used in applications requiring high endurance, such as car brakes, car clutches and ceramic plates in bulletproof vests. Electronic applications of silicon carbide as light-emitting diodes (leds) and detectors in early radios were first demonstrated around 1907. Today sic is used in semiconductor electronics applications that are high-temperature, high-voltage or both. Large single crystals of silicon carbide can be grown by the lely method; they can be cut into gems known as synthetic moissanite. Silicon carbide with high surface area can be produced from sio2 contained in plant material.
Addition Cure rtv-2 Liquid Silicone Rubber for Concrete & Stone moulds Artificial Stone & Concrete Casting Silicone Rubber Features: Amazing fluidity and easy to operate Platinum-based, food-grade silicone (environmental friendly, odorless -and non-toxic) Delicate design available Mixing ration: 1:1, easy to mix Easy de-molding Excellent tension and tear strength High performance in duplication Shrinkage is almost zero (below 0.1) Excellent resistance to weather, temperature, aging, acid and aging-proofing. High resistance to high temperature and aging(resist -60â?? to 250â??) Appearance: Part A:a non-toxic and odorless liquid with translucent color and platinum inside. Part B: a non-toxic and odorless liquid with translucent color. ATT: We can do any curing time as your requirements. Technical Data Characteristics of the non cured product Properties G-820 G-825 G-830 G-835 G-840 A B A B A B A B A B Appearance low viscous liquid Colour translucent Density [g/cm 3 ] at 23 �°C, approx 1.10 1.10 1.10 1.10 1.10 Viscosity [mPa�·s] at 23 �°C, approx 5000�±1000 6000�±1000 7000�±1000 8000�±1000 9000�±1000 Polymerisation Curing conditions: 1h at 80 �°C Properties G-820 G-825 G-830 G-835 G-840 Hardness Shore A 20�±2 25�±2 30�±2 35�±2 40�±2 Tensile strength [N/mm 2 ] 45�±10 50�±10 55�±10 55�±10 60�±10 Elongation [%] 500�±50 500�±50 450�±50 450�±50 450�±50 Tear strength [N/mm] 22�±2 24�±2 26�±2 24�±2 12�±2 Application: GC RTV silicone G-8 series are great for artificial stone casting. They are widely used for architectural elements, block-outs & hole former, concrete counter tops, flexible form liners, GFRC, manufactured stone veneer, ornamental precast & statuary, stamped & textured concrete, etc. Operation Method: Both pouring and brushing operation methods for our artificial stone casting silicone are available. You can choose the best one as your preference, we can provide thixotropic agent for brushing. Notice What is the hardness should I choose? Normally 20~40 Shore A will be the best, but it also should according to your size and pattern design. Warm Tips: The surfaces with which the material comes in contact must be perfectly clean, free of grease and dry. Close the bottles after use so as not to confuse the cap of the catalyst with that of the base when re-sealing. Be aware of possible cross-contamination; it's highly recommended to use only dedicated gear when processing poly-addition RTV2 silicone rubber (including degassing devices). Be aware that contact with certain material can inhibit the curing of the RTV2 poly-addition silicone rubber. Common contaminants to be avoided include: -Natural or synthetic rubber, vulcanized with sulphur derivatives. -Poly-condensation RTV catalyzed with metallic salts. -PVC stabilizing agents. -Amine cured epoxies. -Sulphur, tin and amines derivatives. -In case of doubt, carry out a small test by pouring the mixture onto a small area of the object.
HYDROPHILIC SILICONE EMULSION DL3111 Physical and chemical property: Appearance: Clear to yellowish Liquid Ionic properties: Cationic Active content: 53 1% Product characteristics: Soluble in cold water, impart surface smooth, inner soft and elasticity Super yellowing-resistant, shearing resistant and warm water washing Processing PH range from 1-11, high temperature 90-100 resistant Improve sewing ability, especially suitable for cotton woven fabric Highly resistant to electrolytes, suitable for resin finishing Non-toxic to cellulase Usage Method: Padding recommended usage: 5-20g/l, 1g/l acetic acid as well Exhausting: 0.5%-2% (O.W.F), 20 minutes Adjust dosage according to different fabric and requirements Package And Storage: 200kgs per plastic drum, store in a cool and ventilated warehouse, avoid sun exposure, 6 months of storage expiry.
Black silicon carbide use quartz sand and petroleum coke as the main raw material, smelting the raw material at high temperature electric resistance furnace . Black silicon carbide contains SiC about 95%. The toughness is higher than that of green silicon carbide, black crystals. The microhardness is HV3100-3280kg / mm², brittle and sharp and has a certain electrical conductivity and thermal conductivity. Abrasive made of black silicon carbide is suitable for grinding cast iron, nonferrous metals and rubber, leather, plastic, wood, minerals and other non-metallic materials. Additionally, you can make advanced refractory material and so on.
Green Silicon Carbide is produced basically in the same way as black silicon carbide in a resistance type electric furnace with petroleum coke, quartz sand and other materials. It has a good hardness, strong cutting ability, stable chemical properties and excellent heat-conducting property.
High transparent addition cure silicone for Jewelry mold making is a kind of two part silicone rubber in addition cure or platinum cure type with mixing ratio of 10:1. It can be cures at room temperature as well as under heat. It's a kind of food grade silicone ,And mainly used for jewelry mold making. High transparent addition cure silicone for Jewelry mold making is pourable, addition-curing, two-component silicone rubber that vulcanizes at room temperature or by heating. Non-toxic, odorless.Resistance high temperature is 250, shrinkage rate lower than 0.1%. It is great to make molds either with simple or intricate patterns,like artificial jewelry, resin Jewelry , artificial necklace, artificial bracelet etc. silicone molds serve very good performance in reproduction process with every fine detail on designing models.
The basic principle of the hydrocyclone is to separate the two-phase or multi-phase mixture of liquid-liquid, liquid-solid, liquid-gas and so on with a certain density difference under the action of centrifugal force. The mixed liquid is tangentially flowed into the cyclone with a certain pressure, and a high-speed rotating flow field is generated in the cylindrical cavity. The high density components in the mixture under the action of the swirling flow at the same time along the axial downward movement along the radial outward movement in the reach of the cone down along the wall along the wall, and from the bottom outlet, thus forming The small vortex component moves toward the central axis and forms an upwardly moving internal vortex in the center of the axis, and then is discharged from the overflow port, thus achieving the purpose of two-phase separation. Polyurethane characteristics: 1, the hardness range is wide, and the elongation and elasticity of the rubber are still under high hardness. The hardness range of polyurethane board is Shao A10-D80. 2, high strength. In rubber hardness under their tensile strength, tear strength and bearing capacity rubber is much higher than general. Under the high hardness the impact strength and flexural strength and is much higher than that of plastic. 3, wear resistance. The wear resistance is very good, about 3-5 times of the rubber. 4, oil resistance. Polyurethane board is a strong polar polymer, and the affinity of non polar mineral oil, in fuel oil and mechanical oil is almost no corrosion. 5, good resistance to oxygen and ozone. 6, excellent absorption performance, can be used to reduce the vibration, buffer effect. In the mold manufacturing industry, alternative rubber and spring. 7, it has good low temperature performance. 8, radiation resistance, high energy - ray properties of the polyurethane, the use of the 10-10 radiation dose is still satisfactory. 9, have good mechanical processing performance. (car, milling, grinding, drilling can be) Application: widely used in machinery, transportation, oil, mining, construction, textile, sports and other fields. The company to undertake a variety of specifications of the size of polyurethane products custom processing.
Platinum cure molding rubber silicone rtv is used for prototyping and the reproduction of parts. Silicone moulds can be constructed in many different forms depending on the shape of the part you are making. In this section we will outline how to create the easiest one part flat back mould. Features of platinum cure molding rubber silicone rtv 1. Good characteristics of easy-operation 2. Light viscosity and good flowability 3. Low shrinkage 4. Favorable tension 5. No deformation 6. Favorable hardness 7. High temperature resistance, acid and alkali-resistance and ageing resistance 8. Food grade, non-toxic Why platinum cure molding rubber silicone rtv Silicone is the first choice of material when casting 3 dimentional shapes that contain undercuts as it exhibits excellent release properties, a high level of surface detail, very good chemical and high temperature resistance. It comes in a two-component system (base + catalyst) available in a hardness range of very soft to medium. It is available for making moulds that are poured, brushed or sprayed
Description of Platinum Cure Silicone Foams Platinum Cure Silicone Foams is a soft, two-component platinum silicone flexible foam that is versatile and easy to use. HY-F663 Platinum Silicone Foams expands 3.5 times its original volume and develops a uniform 20 lb./cu. ft. cell structure (320 kg/m3). Vibrant colors can be achieved by adding Silc-Pig Typical Applications for Platinum Cure Silicone Foams Platinum cure Silicone Foams can be used for a variety of industrial and special effects applications including making foam filled appliances, padding/seat cushioning, orthotics/orthopedics, potting and encapsulation of electrical circuits and vibration dampening.
Electronic Potting Silicone Rubber is a kind of low viscosity, Inherent flame resistance, two components addition cured potting silicone with heat-conducting. It cures with both on room temperature and heated temperature. It has the feature of the higher temperature the faster of the curing time. It can be applied to electronic components for insulation, waterproofing, fixed and flame retardant. It mainly applied in electronic components surface with materials of PC(Poly-carbonate)ã??PPã??ABSã??PVC, etc. and metal materials. 2. Typical Application of Electronic Potting Silicone Rubber HY-9055 electronic potting silicone rubber could be applied to - high powered electronics, - DC/DC module and circuit board which requires heat dissipation and high temperature resistance. -It can be broadly used for LED screen, Wind Power Generator, PCB substrate, etc.
LSR RH6250-60 A/B is food grade silicone rubber be used to manufacture the gaskets and seals used in industrial cooking appliances.It is a widely used elastomer prized for its high-temperature resistance and flexible, non-stick nature. LSR RH6250-60 liquid silicone rubber are platinum cured(vulcanized) materials which are mixed in a 1:1 ratio by weight.
1. Product Feature of Electronic Potting Silicone Rubber Electronic Potting Silicone Rubber is a kind of low viscosity, Inherent flame resistance, two components addition cured potting silicone with heat-conducting. It cures with both on room temperature and heated temperature. It has the feature of the higher temperature the faster of the curing time. It can be applied to electronic components for insulation, waterproofing, fixed and flame retardant. It mainly applied in electronic components surface with materials of PC(Poly-carbonate)PPABSPVC, etc. and metal materials. 2. Typical Application of Electronic Potting Silicone Rubber HY-9055 electronic potting silicone rubber could be applied to - high powered electronics, - DC/DC module and circuit board which requires heat dissipation and high temperature resistance. -It can be broadly used for LED screen, Wind Power Generator, PCB substrate, etc. 3. Technical Guidelines of of Electronic Potting Silicone Rubber a, Pls put part A and part B in separate container and stir evenly before mixing the two part together. b, Mixing Ratio: part A: part B = 1:1 c, Deaeration the mixture in vacuum pump under 0.08 MPa for 3-5 minutes.Then the mixture could be used for pouring. Note: The thickness of the silicone affects the curing time. If the silicone used is a little thick,then the curing time will be a little longer.The temperature also affects the curing time.When in lower temperature, we suggest customers appropriately heat the mixture to accelerate vulcanization. With temperature of 80ï½?100, the silicone will cure in 15 minutes; while in 25 room temperature, the silicone will cure around 8 hours. 4.Notes of Electronic Potting Silicone Rubber a.The following material may hinder the curing of HY-9055, So pls use after the test. When necessary, pls clean the application areas. Organotin compound or Condensation silicone with organotin Sulphur, sulfide and sulfur rubber materials. Amine compounds as well as contains the amine materials. Pewters solder flux b. HY-9055 should be sealed storage.The mixture should be used up disposably to avoid causing waste. c. HY-9055 belongs to non-dangerous goods, but keep away from mouth and eyes. d. When it gets stratified after a period of storage, Please mix it evenly before using,which does not affect the performance
Platinum cure molding rubber silicone rtv is used for prototyping and the reproduction of parts. Silicone moulds can be constructed in many different forms depending on the shape of the part you are making. In this section we will outline how to create the easiest one part flat back mould. Features of platinum cure molding rubber silicone rtv 1. Good characteristics of easy-operation 2. Light viscosity and good flowability 3. Low shrinkage 4. Favorable tension 5. No deformation 6. Favorable hardness 7. High temperature resistance, acid and alkali-resistance and ageing resistance 8. Food grade, non-toxic Datasheet of platinum cure molding rubber silicone rtv ModelColorMixing ratioPot life (mins)Demouled time (hrs)Hardness(A0)Tensile-strength (kgf/cm2)Tear-strength (kgf/cm)Viscosity (cps)Elongation (%) HY-E625translucent1 : 130-604±125±235±225±26000±3000?¥400 HY-E630translucent1 : 130-604±130±240±223±27000±3000?¥395 HY-E635translucent1 : 130-60 4±135±247±2 22±28000±3000470
Application of Medical Grade liquid silicone rubber for shoe insoles The product is a two component high elongation silicone gel designed for silicone food care products, such as silicone insole. This product cured at room temperature to a soft track gel with the addition of curing agent. The soft nature and cushioning effect offer this product provides excellent protection for our food health care. Technique Data of HY-Q625# Medical Grade liquid silicone rubber for shoe insoles Model HY-Q625 Appearance Transparent Mixing Ratio 1:1 Operating time (Mins 25°C) 30-40 Curing time (Mins 25°C) 2-4h Hardness (A°) 25±2 Density ( g/cm 3 ) 1.08 Viscosity (CS) 6000 ± 2000 Tensile-strength( kgf/cm2 ) 3.3 Tear-strength (kgf /cm ) 8±2 Elongation-break(%) 420 Retractility(%) ?¤0.1 Features of Medical Grade liquid silicone rubber for shoe insoles 1.convenient 1:1 mixed ratio by weight 2. high elongation gel 3. low viscosity easily pourable 4.room temperature vulcanized and heat acceleration 5. soft track and selcky gel 6. absorbs shock and protets delicate mechanical component 7. no creativ by product, no concerns nogarding corrosion
China liquid Silicone mold making material for concrete/artificial stone casting Artificial Stone & Concrete Casting Silicone Rubber 1. Description C-825/C-830/C-835 Silicone Rubber is a two-part, tin-catalyzed, liquid silicone system that cures (RTV) to a white, Shore A25-A35 rubber. This is a pourable rubber, but it can be easily thickened with Liquid Thickener or for brush-on application. Popular product options is C-825/C-830/C-835 are the mold material of choice for high-volume veneer stone production (manual or automated manufacturing). These two-component mold rubbers capture excellent surface detail, offer exceptional dimensional stability and have unmatched lifetime and durability compared to hot melt and polypropylene systems. Molds made from these room temperature curing systems can be completed in a much shorter timeframe (~4 hour demold) compared to latex rubber molds. When properly maintained, these molds can last for years and produce thousands of stones. 2. Technical Datasheet Note: This is a 100A:3B mix ratio product that must be measured by weight. The choosing of suitable hardness should be according to the size and pattern design of the products. If large products and therefore multiple-piece molds are needed by customers, silicone rubber with higher hardness will be required for the molds. Conversely, soft silicon is indispensable for molds with complicated pattern and delicate details. The amount of curing agent admixture depends on the actual need of customers. More will be added for speedy drying and fast release and less when otherwise. 3.Application
Factory price rtv2 silicone rubber for crafts molding Crafts Molding Silicone 1.Description 2. Technical Datasheet Typical general characteristics Inspection MethodValue Product data (Catalyzed A+B)C-820C-825 HardnessShore A20±225±2 Mix RatioA:B100:3100:3 Color/WhiteWhite Pot life25 °C (77F)30-40mins30-40mins Curing time25 °C (77F)3-4 hours3-4 hours Mixed viscositymPa.s16000±100020000±1000 Tear-strengthkg/cm20±222±2 Tensile-strengthM.pa3.6±0.54.0±0.5 Elongation%400±50450±50 Shrinkage%?¤0.3?¤0.3 Note: This is a 100A:3B mix ratio product that must be measured by weight. The choosing of suitable hardness should be according to the size and pattern design of the products. If large products and therefore multiple-piece molds are needed by customers, silicone rubber with higher hardness will be required for the molds. Conversely, soft silicon is indispensable for molds with complicated pattern and delicate details. The amount of curing agent admixture depends on the actual need of customers. More will be added for speedy drying and fast release and less when otherwise. 3. FEATURES Low viscosity,great flexibility,Extra low shrinkage,Chemical resistance,release properties, Easy to work with,High tear strength,Heat Resistance,various color is available,High reproduction rate 4.SHELF LIFE: When stored at or below 32°C (89.6°F) in the original unopened containers, C-8 series Silicone Base and its Curing Agents have a usable life of I0 months. 5.Package Silicone base:1kg/drum; 20kg/drum;25kg/drum;200kg/drum. Curing Agent: 30g/bottle; 1kg/bottle
Cheap liquid silicone rubber to make molds for lost was casting Lost Wax Casting Silicone 1.Description GC RTV silicone C-825 are good for lost wax casting. They are widely used for lost wax process of bronze casting to make accurate reproductions of original sculpture. 2. Technical Datasheet Typical general characteristics Inspection MethodValue Product data (Catalyzed A+B)C-825 HardnessShore A25±2 Mix RatioA:B100:3 Color/White Pot life25 C (77F)30-40mins Curing time25 C (77F)3-4 hours Mixed viscositymPa.s20000±1000 Tear-strengthkg/cm22±2 Tensile-strengthM.pa4.0±0.5 Elongation%450±50 Shrinkage%?¤0.3 Note: This is a 100A:3B mix ratio product that must be measured by weight. The choosing of suitable hardness should be according to the size and pattern design of the products. If large products and therefore multiple-piece molds are needed by customers, silicone rubber with higher hardness will be required for the molds. Conversely, soft silicon is indispensable for molds with complicated pattern and delicate details. The amount of curing agent admixture depends on the actual need of customers. More will be added for speedy drying and fast release and less when otherwise. 3. FEATURES Low viscosity,great flexibility,Extra low shrinkage,Chemical resistance,release properties, Easy to work with,High tear strength,Heat Resistance,various color is available,High reproduction rate 4.Appearance Part A: Silicone rubber is a white liquid Part B: Catalyst is a non-toxic and odorless liquid, white transparent color. ATT: We can provide fast/medium/slow catalyst of for hot, warm or cold season. 5.SHELF LIFE: When stored at or below 32C (89.6F) in the original unopened containers, C-8 series Silicone Base and its Curing Agents have a usable life of I0 months. 6.Package Silicone base:1kg/drum; 20kg/drum;25kg/drum;200kg/drum. Curing Agent: 30g/bottle; 1kg/bottle
China supplier Rtv mould making Silicone rubber for Taxidermy Molding Taxidermy Molding Silicone 1.Description 2. Technical Datasheet Typical general characteristics Inspection MethodValue Product data (Catalyzed A+B)C-810C-825C-830 HardnessShore A10±225±230±2 Mix RatioA:B100:3100:3100:3 Color/WhiteWhiteWhite Pot life25 °C (77F)30-40mins30-40mins30-40mins Curing time25 °C (77F)3-4 hours3-4 hours3-4 hours Mixed viscositymPa.s6000±100020000±100023000±1000 Tear-strengthkg/cm12±222±223±2 Tensile-strengthM.pa2.0±0.54.0±0.55.0±0.5 Elongation%320±50450±50460±50 Shrinkage%?¤0.3?¤0.3?¤0.3 Note: This is a 100A:3B mix ratio product that must be measured by weight. The choosing of suitable hardness should be according to the size and pattern design of the products. If large products and therefore multiple-piece molds are needed by customers, silicone rubber with higher hardness will be required for the molds. Conversely, soft silicon is indispensable for molds with complicated pattern and delicate details. The amount of curing agent admixture depends on the actual need of customers. More will be added for speedy drying and fast release and less when otherwise. 3. FEATURES 1.Low viscosit 2.great flexibility 3.Extra low shrinkage 4.Chemical resistance 5.release properties 6.Easy to work with 4.High tear strength 5.Heat Resistance 6.various color is available 7.High reproduction rate 4.SHELF LIFE: When stored at or below 32°C (89.6°F) in the original unopened containers, C-8 series Silicone Base and its Curing Agents have a usable life of I0 months. 5.Package Silicone base:1kg/drum; 20kg/drum;25kg/drum;200kg/drum. Curing Agent: 30g/bottle; 1kg/bottle
1.100% food grade platinum silicone, does not contain any toxic substances on the human body to meet the ROHS, SGS and UL environmental requirements certification. 2.Easy to clean, reusable, long service life. 3. Non-slip, shock, impermeable water, heat, not aging, easy to fade. 4.Temperature range:Heat resistant to 260°C / Freezer Proof to -40°C 5.Color, style and diverse, according to customer requirements to customize the color of different products. Product Name 2017 Popular dog bone shape or other different Shape silicone ice cube tray Material : 100%Food Grade Silicone Color: Pantone Color Size:Customized Size Feature Eco-Friendly, Stocked Packaging Opp bag Service : OEM Why Choose us ? 1.Our value massage is'' Quality is our culture'' 2.Our core competencies is silicone products ,graphite products ,and thermal products 3.With us your money in a safe your bussiness in safe. 4.Competitive advantage products 5.Condidentiality agreement Bussiness Secrect Contract" 6.Free sample offer ; small order welcomed 7.Quality assurance contarct Packing&Delivery Within 5-15 working days after your payment Packing Details :Standard ; customized Port: Shenzhen or other ports in China 2017 Popular dog bone shape or other different Shape silicone ice cube tray Our Certifications Q: Are you trading company or manufacturer A: We are manufacturer Q: How long is your delivery time A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity. Q: Do you provide samples is it free or extra A: Yes, we could offer the sample for free charge but do not pay the cost of freight. Q: What is your terms of payment A: Payment=1000USD, 30% T/T in advance ,balance before shippment. If you have another question, pls feel free to contact us as below:
Model530 Colorwhite Mixing ratio (%)2% Pot life (mins, under 2530-40 Curing time(hrs, under 25)3-4 Hardness ( shore a )30±2 Tensile-strength (mpa)4.2 Tear-strength (kn/m)26±2 Viscosityafter a/b mixed , mpa.S27000±2000 Shrinkage rate (%0.2% Elongation450
