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Rubber Molding Processes

Home Rubber Molding Processes

– Precision Molding
– Design Engineering
– Reduced Waste
– Produce Part in All Polymers Available
– Mold Design & Build
– Application Optimization
– Low to High Volume Production
– Component Assembly
– Bonding & Slitting
– Material Development
– New Product Development
– Engineering Assistance
– Custom Rubber Compounding
– Custom Color Matching
– Custom Rubber Molding
– Compression Molding
– Insert and Over Molding
– Bonding of Rubber to Metal and Other Substrates
– Quality Assurance
– Secondary Operations

Manufacturing Technologies

– Assemblies: Auto & Manual
– Flashless | Wasteless Molding Process
– Injection Molding of Plastic
– Laboratory Testing

Test Method: ASTM

# Test Test Range Units Reference Bs Std. Reference IS Std. Reference ASTM Std.
1 Hardness 0 to 99 Shore ‘A’ BS 903 A 26 IS 3400 Part 2 ASTM D 2240
2 Hardness 0 to 99 Shore ‘D’ BS 903 A 26 IS 3400 Part 2 ASTM D 2240
3 Tensile strength Max 250 Kg/Cm² Kg/Cm²(N/mm², MPa, psi) BS 903 A 2 IS 3400 Part 1 ASTM D 412
4 Elongation at break Max. 1500 % BS 903 A 2 IS 3400 Part 1 ASTM D 412
5 Modulus Kg/Cm² BS 903 A 2 IS 3400 Part 1 ASTM D 412
6 Specific Gravity 9m/cc BS 903 A 1 IS 3400 Part 9 ASTM D 372
7 Compression set Temp 23°C to 250°C and Time 24 Hrs. to 72 Hrs. % BS 903 A 6 IS 3400 Part 10 ASTM D 392
8 Rebound Resilience 0 to 100 % IS 3400 Part IX ASTM D 2632
9 Ash Content 8°C for 2 Hrs. % ASTM D 297
10 Ageing Properties in Air (Hardness Change) Temp 23°C to 250°C and Time 24 Hrs. to 672 Hrs. Points BS 903 A 19 IS 3400 Part IV ASTM D 573
11 Ageing Properties in Air (Tensile Strength Change) Temp 23°C to 250°C and Time 24 Hrs. to 672 Hrs. % BS 903 A 19 IS 3400 Part IV ASTM D 573
12 Ageing Properties in Air (Elongation Change) Temp 23°C to 250°C and Time 24 Hrs. to 672 Hrs. % BS 903 A 19 IS 3400 Part IV ASTM D 573
13 Fluid Resistance (Hardness Change) Temp 23°C to 250°C and Time 24 Hrs. to 672 Hrs. / Testing Medium:- ASTM Oil – 1, ASTM Oil – 3, Liquid 101, Liquid A, Liquid B, Liquid C, Liquid D & Petrolium Oil. Points BS 903 A 16 IS 3400 Part 6 ASTM D 471
14 Fluid Resistance (Tensile Strength Change) Temp 23°C to 250°C and Time 24 Hrs. to 672 Hrs. / Testing Medium:- ASTM Oil – 1, ASTM Oil – 3, Liquid 101, Liquid A, Liquid B, Liquid C, Liquid D & Petrolium Oil. % BS 903 A 16 IS 3400 Part 6 ASTM D 471
15 Fluid Resistance (Elongation Change) Temp 23°C to 250°C and Time 24 Hrs. to 672 Hrs. / Testing Medium:- ASTM Oil – 1, ASTM Oil – 3, Liquid 101, Liquid A, Liquid B, Liquid C, Liquid D & Petrolium Oil. % BS 903 A 16 IS 3400 Part 6 ASTM D 471
16 Fluid Resistance (Volume Change) Temp 23°C to 250°C and Time 24 Hrs. to 672 Hrs. / Testing Medium:- ASTM Oil – 1, ASTM Oil – 3, Liquid 101, Liquid A, Liquid B, Liquid C, Liquid D & Petrolium Oil. % BS 903 A 16 IS 3400 Part 6 ASTM D 471
17 Resistance to Ozone Cracks BS 903 A 23 ASTM D 1171
18 Brittleness test in Low Temperature Cracks BS 903 A 25 ASTM D 137
19 Water Resistance (Hardness Change) Temp 23°C to 100°C / Time 24 Hrs. to 72 Hrs. / Testing Medium – Mineral Water, Sea Water. Points BS 903 A 16 IS 3400 Part 6 ASTM D 471
20 Water Resistance (Tensile Strength Change) Temp 23°C to 100°C / Time 24 Hrs. to 72 Hrs. / Testing Medium – Mineral Water, Sea Water. % BS 903 A 16 IS 3400 Part 6 ASTM D 471
21 Water Resistance (Elongation Change) Temp 23°C to 100°C / Time 24 Hrs. to 72 Hrs. / Testing Medium – Mineral Water, Sea Water. % BS 903 A 16 IS 3400 Part 6 ASTM D 471
22 Water Resistance (Volume Change) Temp 23°C to 100°C / Time 24 Hrs. to 72 Hrs. / Testing Medium – Mineral Water, Sea Water. % BS 903 A 16 IS 3400 Part 6 ASTM D 471
23 Tear Resistance N/min. BS 903 A 3 IS 3400 Part 12 ASTM D 624
24 Abrasion Resistance Weight difference BS 903 A 9 IS 3400 Part 3 ASTM D 429

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