selection of raw materials and rubber mouldings

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Materials technology: VMQ [silicone]

Silicone rubber is generally non-reactive, stable, and resistant to extreme environments and temperatures while still maintaining its useful properties:

  • excellent electrical properties
  • resistant to high temperatures
  • flexible to low temperatures
  • poor tensile and abrasion resistance.

At DP Seals we pride ourselves on being able to provide specialist advice in selecting and developing exactly the right blend of materials to meet a vast range of performance requirements. If you are unsure about what material might be best, call us on +44 (1202) 674671 or email our .

Cost ££
Hardness: Shore A (Hint) 30 - 85
Tensile Strength (1000psi) 1.5
Tear Resistance Fair
Impact Resistance Poor
Compression Set (Method B, %) 10
Electrical Resistance (Ω/cm2 1*1014 - 1*1016
Low Temperature (°C) -100
High Temperature (°C) 250
intermittent High (°C) 275
Ozone (protected) Excellent
Weather and Sunlight Excellent
Gas Permeation Fair
Water Excellent
Acid/Base - Dilute Excellent
Acid/Base Concentrated Fair
Solvent - Aliphatic Poor
Solvent - Aromatic Poor
Oils and Gasoline Poor
This information is only a guide to the more common materials, their primary characteristics and uses.
The relationship between material, product performance and blend options is complex - talk to DP Seals.

Every customer receives the same high level of service from DP Seals: uncompromising quality control.

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