Rubber Parts Refers To The Production Of All Kinds Of Rubber Parts From Natural And Synthetic Rubber, Including The Rubber Parts. Of Reproduction Using Waste Rubber Synthetic Rubber Has Produced Much More Than Natural Rubber, The Largest Of Which Is Styrene-Butadiene Rubber.
The General Use Of Simple Rubber Production Of Accessories Called Rubber Parts, But According To The Different Use Environment, The Need To Attach Rubber To The Metal Surface, Or Steel Parts Surface, We Call Rubber Coated Steel Parts. Or Rubber Inlaid In The Steel Parts To Increase The Overall Support Capacity Of The Part, We Call Rubber Lined Parts..So The Rubber Parts We Introduce Here Also Include Rubber Lined Parts And Rubber Coated Parts
Characteristics
1.Rubber Parts Forming, After High Pressure Pressing, It Can Not Be Eliminated Because Of The Cohesion Of The Elastomer, When Forming Off The Mold, Often Produce Extremely Unstable Shrinkage (Rubber Shrinkage, Due To Different Types Of Rubber), It Must Take a Period Of Time Before It Can Be Gentle And Stable. As a Result, When a Rubber Parts Of Design, Regardless Of Formula Or Mold, Should Be Carefully Calculated, If Not, It Is Easy To Produce Product Size Instability, Resulting In Low Product Quality.
2. Rubber Is a Thermo-Soluble Thermosetting Elastomer And Plastics Are Thermolysis-Solid. The Temperature Range Of Forming And Curing Of Rubber Is Quite Different Because Of Different Kinds Of Sulfide, And It Can Even Be Affected By Climate Change And Indoor Temperature And Humidity. Therefore, The Production Conditions Of Rubber Finished Products Need To Be Adjusted Moderately At Any Time, If Not, It May Produce Product Quality Differences.
3. Rubber Products Are Made Of Rubber Raw Materials After The Mixer Rubber As Raw Materials, In The Rubber Refining According To The Characteristics Of The Required Rubber Parts To Design The Formula, And Set The Required Product Hardness. The Product Is Molded By Rubber Plate Vulcanizing Machine. After The Product Molding, The Final Flash Treatment, The Product Surface Treatment Smooth Without Burr.
4.Rubber Parts Aging Test Belongs To The Category Of Aging Test, Rubber Aging Refers To The Rubber And Products In The Process Of Processing, Storage And Use, Due To The Combined Action Of Internal And External Factors Caused By The Change Of Performance Structure, And Then The Loss Of Use Value Phenomenon. Performance For Crack, Sticky, Hardening, Softening, Pulverization, Discoloration, Long Mold And So On.
Development
Europe's Debt Crisis Continued To Spread In 2011, With Sensitive International Market Responses And a Domestic Macroeconomic Downturn, Inevitably Affecting Rubber Parts Industries That Are Widely Used And Play An Important Role In The National Economy. At The Same Time, The Three Upstream Natural Rubber Exporting Countries Have Formed a Strategic Alliance To Raise The Price Of Rubber, Resulting In The Rubber Parts Industry Due To Increased Production Costs To Reduce Production And Production; Downstream Auto Manufacturing Industry Is Facing The Risk Of Policy Regulation, While The Real Estate Industry Macro-Control Policy Has Not Been Relaxed. a Number Of Factors Together, Resulting In a Slowdown In The Development Of The Rubber Parts Industry.
Production And Operation Of 10 Key Domestic And Foreign Tire Enterprises In January 2013: Tire Production Fell 0.53 Per Cent From a Month Earlier, An Increase Of 32.22 Per Cent From a Year Earlier, Of Which Radial Tire Production Increased 44.28 Per Cent From a Year Earlier; Tire Export Delivery Increased 30.55 Per Cent From a Year Earlier; And Inventory Value Of Finished Products Fell -7.46 Per Cent From a Year Earlier, Making It a Success.
January Data Is Better Than The Same Period Last Year, Industry Warming Trend Is Obvious: In January This Year, China's Tire Production Increased Significantly Year-On-Year, Exports Improved Significantly, The Value Of Finished Goods For The First Time Negative Growth. Because Last Year Spring Festival In January, The Effective Working Day Is Small, Thus Causes The Base To Be Low, The Increase Is Big. In Recent Months, The Volume Of Radial Tire Production Has Basically Maintained An Increase Of More Than 10%, And The Value Of Finished Products Has Continued To Decline, Indicating That The Demand For Tyres In China Has Continued To Improve, Warming At That Time.
Products
Sponge Rubber Is a Porous Elastomer Material, Commonly Known As Foam Rubber, Foamed Rubber Or Microporous Rubber, It Is The General Name Of All Kinds Of Rubber With Hole Structure. Astm d1055 And Astm d1056 Defined And Classified Latex Sponge And Dry Rubber Sponge, Respectively, And Developed Routine Physical Properties Measurement Methods.
This Standard Defines That The Holes Of This Kind Of Porous Material Should Be All Over The Material As a Whole. According To The Structure Of The Holes, It Can Be Divided Into Three Types: Closed Hole (Not Connected Between The Hole And The Hole), Open Hole (Not Completely Separated By The Hole Wall Between The Hole And The Hole, With a Certain Degree Of Compatibility) And Mixed Hole (Both Open And Closed). According To This, Microporous Rubber Mainly Includes Expansion Rubber And Sponge Rubber. Because Of The Different Usage Habits, The Meaning Of "Sponge Rubber" In Domestic Scientific And Technological Literature Does Not Distinguish The Opening And Closing Mechanism Of Bubble Hole.
Classification
There Are Many Varieties Of Sponge Rubber And Various Classification Methods:
Bubble Hole Mechanism
Perforated Microporous Rubber And Perforated Microporous Rubber;
Foaming Rate Class
Low Foaming (Visual Density ≥0.5 g/ Square Centimeters) And High Foaming (Visual Density <0.5 Square Centimeters);
Rubber Matrix
Nr Rubber (Natural Rubber), Sbr Rubber (Styrene-Butadiene Rubber), Epdm Rubber (Epdm), Nbr( Nbr), Silicone Rubber Sponge, Rubber Sponge, Rubber And Plastic Sponge, Etc.
Performance And Performance Class
Soft Sponge, Hard Sponge, Micro Bubble Sponge, Conductive Sponge, Magnetic Sponge, Water Expansion Sponge, Composite Sponge, Etc.
Comparison
Compared With Solid Rubber, Sponge Rubber Has Many Special And Valuable Properties Because Of Its Structural Particularity, That Is, Porosity,
(1) Low Visual Density And Low Quality;
(2) It Is Elastic And Flexible And Has Excellent Sealing Functions Such As Dustproof And Waterproof Gas;
(3) Improved Thermal Insulation With Low Thermal Conductivity;
(4) Improved Ability To Absorb Impact Loads With Excellent Cushioning And Damping Performance;
(5) Improve Sound Insulation And Sound Absorption;
(6) Improve Touch And Comfort;
(7) Spongy Rubber With a Wide Range Of Physical Properties And Corresponding Properties Can Be Obtained By Changing The Apparent Density Or Bubble Structure.
As a Result, Sponge Rubber Parts Is Widely Used In Many Aspects, Such As Sealing, Shock Absorption, Heat Insulation, Sound Insulation, Printing And Dyeing, And Even Ion Exchange, And It Is Widely Used In Aviation, Automobile, Instrument, Instrument, Home Appliance And Packaging Industry.
Its Shape Has Plate Shape, Strip Shape, Tubular, Roller, Washer And So On, The Specification Is Various, The Shape Is Different. Different Conditions Of Use Require Different Hole Structure And Pore Size. To This End, The Formulation Design And Processing Technology Should Be Adjusted To Achieve The Corresponding Performance.
Structure Composition
Linear Structure: Universal Structure Of Unvulcanized Rubber. Because Of The Large Molecular Weight, It Is Fine Mass Without External Force. When The External Force, Remove The External Force, The Entanglement Of The Fine Group Changes, The Molecular Chain Rebound, Resulting In a Strong Tendency To Recover, Which Is The Origin Of Rubber High Elasticity.
Branched Chain Structure: Aggregation Of Branched Chains Of Rubber Macromolecular Chains To Form Gels. Gel Is Unfavorable To The Properties And Processing Of Rubber. In The Process Of Rubber Refining, All Kinds Of Compounding Agents Often Progress The Gel Region, Forming Local Blank, Forming No Reinforcement And Crosslinking, And Becoming The Weak Part Of The Product.
Cross-Linking Structure: Linear Molecules Are Connected To Each Other By Bridging Some Atoms Or Groups Of Atoms To Form a Three-Dimensional Network Structure. With The Vulcanization Process, This Structure Is Continuously Strengthened. In This Way, The Free Activity Capacity Of The Chain Segment Decreases, Plasticity And Elongation Decrease, Strength, Elasticity And Hardness Rise, Compression Permanent Deformation And Swelling Degree Decrease.
Industry Development
Rubber Industry Is One Of The Important Basic Industries Of National Economy. It Not Only Provides People With Essential Daily Life, Medical And Other Light Industrial Rubber Products, But Also Provides a Variety Of Rubber Production Equipment Or Rubber Parts To Mining, Transportation, Construction, Machinery, Electronics And Other Heavy And Emerging Industries. It Can Be Seen That The Rubber Industry Has a Wide Variety Of Products, And The Backward Industry Is Very Broad.
In Recent Years, The Rubber Industry Has Been a Lot Of Development, The Existing Subdivision Industry Has Steadily Improved, The New Rubber Subdivision Industry Is Developing Rapidly, But At The Same Time, The Rubber Industry Also Has Environmental, Resource, Disaster, Innovation And Other Problems.
In 2004, The Total Area Of Natural Rubber Cultivation In China Was 696200 Hectares, The Cutting Area Was 451900 Hectares, And The Dry Rubber Production Was 573300 Tons. Among Them, The Cultivated Area Of Rubber Is 411000 Hectares, And The Private Sector Is 285200 Hectares, Accounting For 59.03% And 40.97% Of The Total Rubber Area Of The Whole Country, Respectively.
In 2005, Hainan Suffered 50 Years Of Rare Drought And a Hundred Years Of Typhoon Disaster, Natural Rubber Production Suffered Heavy Damage. In Order To Tap The Development Potential Of Natural Rubber Planting And Processing In China And Increase Self-Sufficiency, China's Rubber Industry Has Made Unremitting Efforts To Conscientiously Implement The Principles Of National Safety, Energy Conservation, Environmental Protection And Clean Production, And Has Achieved Significant Results.
Especially The Rubber Auxiliaries Industry Has Actively Adjusted The Product Structure, The Green Environmental Protection Auxiliaries Have Increased Significantly, The Proportion Of Production Of Good Varieties Of Anti-Aging Agents Has Reached 80%, The Accelerator Has Reached 50%, The Production Of Toxic, Harmful And Highly Carcinogenic Nobs Has Been Effectively Controlled; The Comprehensive Utilization Ratio Of Waste Rubber Has Reached More Than 65%, And The Field Of Processing And Utilization Of Recycled Rubber And Rubber Powder Has Expanded.
In 2006, The Sixth Session Of The China Rubber Industry Association Of The Third Session Of The Council Discussed The Adoption And Release Of The "11th Five-Year Plan For The Scientific Development Of The Rubber Industry Of China "And The Rubber Industry "11th Five-Year Plan" For The Implementation Of The Famous Brand Strategic Plan. This Is The First Industry Plan To Be Organized By The Association.
The Plan Shows That The Rubber Industry Should Take The Road Of Independent Innovation During The 11th Five-Year Plan Period, And The Whole Industry Should Be Effectively Transferred To The Track Of Scientific Development, So That China Can Become a Powerful Country In The World Rubber Industry.
The Development Prospect Of Rubber Industry In China Is Broad. By 2010, The Total Consumption Of Natural Rubber In China Will Reach 2.3 Million Tons, And The Product Structure Of The Rubber Industry Will Be Greatly Changed, With The Increase Of New Products, Replacement Products, New Materials And New Technology Applications, And The Obvious Progress In Production Technology.
According To Statistics, In January-May 2010, China's Rubber Parts Industry Achieved a Cumulative Revenue Of 220.504 Billion Yuan In Product Sales, An Increase Of 35.38 Percent Over The Same Period Last Year, An Increase Of 31.57 Percentage Points Over The Same Period Last Year.
Under The Pull And Stimulation Of Conveying Tape And Hose, Rubber Sealing Products, Small Seals, Building Shock Absorption Rubber Parts 、 Automobile Rubber Manufacturing Industry, China's Rubber Parts Industry Has Emerged From The Adversity Of The Global Financial Storm And Developed Rapidly And Upward.
The Characteristics Of The Rubber Industry Determine That When a Country's Rubber Industry Matures, The Boom Of The Industry Will Remain Strongly Correlated With The Performance Of The Whole Economy: The Length Of Its Development Cycle Is The Same As The Length Of The Country's Economic Cycle, And The Trend Is The Same; But Because The Rubber Industry Belongs To The Basic Industry, Its Cycle Changes Are Slightly Ahead Of The Change Of The Economic Cycle. In Addition, Because The Rubber Industry Is At The Front End Of The Production Chain Of The National Economy, The Amplitude Of The Periodic Fluctuation Is Smaller Than That Of The Industry At The End Of The Industrial Chain And The Whole Economy. Therefore, From The Perspective Of Industrial Investment, The Mature Rubber Industry Is Closer To The Income-Based Investment Industry.
Silicon Rubber Parts Is The Activity Of Producing All Kinds Of Silicon Rubber Parts With Silica Gel And Rubber As The Main Raw Material. Silicon Rubber Parts Is Closely Related To People's Life. Remote Control, Keyboard, Pos Machine, Scanner, Mobile Phone, Electronic Dictionary, Mobile Phone Set And So On Are All Related To Silicon Rubber Parts.
Rubber Parts
Rubber Is Divided Into Natural Rubber And Synthetic Rubber. Natural Rubber Mainly Comes From Three-Leaf Rubber Tree, When The Skin Of This Rubber Tree Is Cut Open, It Will Flow Out Milky White Juice, Called Latex, Latex After Condensation, Washing, Molding, Drying To Get Natural Rubber. Synthetic Rubber Is Made By Synthetic Method, Different Kinds Of Rubber Can Be Synthesized By Different Raw Materials (Monomer). The Chemist c.d. Harris (Harris) In 1900~1910 Determined That The Structure Of Natural Rubber Was a Polymer Of Isoprene, Which Opened The Way For Synthetic Rubber. Russian Chemist Sv Lebedev (Lebedev,1874—1934) Used Sodium Metal As a Initiator To Polymerize 1,3-Butadiene Into Butadiene Rubber In 1910, And Many New Varieties Of Synthetic Rubber, Such As Cis-Butadiene Rubber, Neoprene Rubber, Butadiene Rubber And So On, Have Emerged. Synthetic Rubber Has Produced Much More Than Natural Rubber, The Largest Of Which Is Styrene-Butadiene Rubber.
General Purpose Rubber
Any Of Several Or All Types Of Rubber Used In Place Of Natural Rubber, Such As Styrene-Butadiene Rubber, Cis-Butadiene Rubber, Isoprene Rubber, Etc., Used Mainly In The Manufacture Of Tyres And General Industrial Rubber Parts.. General Rubber Is The Main Variety Of Synthetic Rubber.
Styrene Butadiene Rubber
Butadiene Rubber Is Made By Copolymerization Of Butadiene And Styrene. It Is The Most Widely Used Synthetic Rubber With The Largest Yield, Including Milk Polybutadiene Rubber, Soluble Polybutadiene Rubber And Thermoplastic Rubber (Sbs).
Ebutadiene Rubber
Butadiene Was Prepared By Solution Polymerization. Cis-Butadiene Rubber Has Excellent Cold Resistance, Wear Resistance And Elasticity, And Also Has Good Aging Resistance. Most Of Cis-Butadiene Rubber Is Used To Produce Tyres, And a Few Are Used To Make Cold-Resistant Products, Cushioning Materials, As Well As Tape, Rubber Shoes And So On. The Disadvantage Of Cis-Butadiene Rubber Is That It Has Poor Tear Resistance And Poor Moisture Resistance.
Isoprene Rubber
Isoprene Rubber Is The Abbreviation Of Polyisoprene Rubber, Which Is Produced By Solution Polymerization. Isoprene, Like Natural Rubber, Has Good Elasticity And Wear Resistance, Excellent Heat Resistance And Good Chemical Stability. The Strength Of Isoprene Rubber Raw Rubber (Before Unprocessed) Is Significantly Lower Than That Of Natural Rubber, But The Quality Uniformity, Processing Performance And So On Are Superior To Natural Rubber. Isooprene Can Be Used Instead Of Natural Rubber To Make Heavy And Off-Road Tyres And Can Be Used To Produce Various Rubber Parts..
Epdm
Ethylene Propylene Rubber Is Synthesized With Ethylene And Propylene As The Main Raw Materials, With Outstanding Aging Resistance, Electrical Insulation And Ozone Resistance. Epdm Can Be Filled With Oil And Filled With Carbon Black In Large Quantities, The Price Of Products Is Low, The Chemical Stability Of Epdm Is Good, The Wear Resistance, Elasticity, Oil Resistance And Styrene-Butadiene Rubber Are Close. Epdm Has a Wide Range Of Applications And Can Be Used As Tire Side, Rubber Strip And Inner Tire As Well As Auto Parts, As Well As Wire, Cable Prepuce And High Voltage And Ultra High Voltage Insulation Materials. Also Can Make Rubber Shoes, Sanitary Products And Other Light Color Products.
Neoprene Rubber
It Is Made From Chlorobutadiene By Homopolymerization Or a Small Amount Of Other Monomers. Such As High Tensile Strength, Heat Resistance, Light Resistance, Aging Resistance, Oil Resistance Are Better Than Natural Rubber, Butadiene Rubber, Cis-Butadiene Rubber. It Has Strong Flammability And Excellent Flame Retardancy, Its Chemical Stability Is High And Water Resistance Is Good. The Disadvantages Of Neoprene Are Electrical Insulation, Poor Cold Resistance And Unstable Raw Rubber During Storage. Neoprene Has a Wide Range Of Applications, Such As Making Transport Belts And Transmission Belts, Wrapping Materials For Wires And Cables, Making Oil-Resistant Hose, Gaskets And Equipment Linings Resistant To Chemical Corrosion.
Silicone Products
Purpose
Silicon Rubber Parts Belongs To Biocompatible Materials, So Qualified Silicon Rubber Parts Can Do Artificial Organs, Can Be User Beauty Industry And Physiotherapy Industry And So On.
Nontoxic
Silicon Rubber Parts Is Generally Not Toxic, But If Manufacturers Add Some Cheap And Inferior Chemicals For Convenience, Then There Will Certainly Be Some Toxicity, And The Color Will Not Be Colorless, There Are Some Impurity Colors, As Long As The Colorless Silicon Rubber Parts Are Non-Toxic.
Equipment Required For Production
Mixer: Used For Mixing And Cutting Materials;
Hydraulic Press: Used For Forming Silicon Rubber Parts;
Boxer: Secondary Vulcanization For Silicon Rubber Parts;
Screen Printing Machine: For Silicon Rubber Parts Screen Printing;
Spraying Machine: For Spraying Silicon Rubber Parts, There Are Manual Spraying Machine And Automatic Spraying Machine;
Radium Carving Machine: Radium Carving For Silicon Rubber Parts;
Load Machine, Life Meter: For Product Quality Inspection.
