Technical specifications provide essential information about rubber products and materials. Understanding these specifications helps in selecting appropriate products and ensuring they meet application requirements.
Material Properties
Key material properties typically specified:
- Hardness: Measured in Shore A (soft) or Shore D (hard) scales
- Tensile Strength: Maximum stress before breaking (MPa or psi)
- Elongation: Percentage stretch before breaking
- Compression Set: Permanent deformation after compression (%)
- Tear Strength: Resistance to tearing (N/mm or lb/in)
Temperature Ratings
Temperature specifications indicate:
- Minimum operating temperature
- Maximum continuous operating temperature
- Peak temperature capability
- Temperature range for optimal performance
Chemical Resistance
Chemical compatibility information:
- Resistance ratings for various chemicals
- Compatibility with oils, fuels, and solvents
- Swelling characteristics
- Degradation indicators
Dimensional Tolerances
Tolerance specifications define:
- Standard dimensional tolerances
- Critical dimension requirements
- Geometric tolerances
- Surface finish requirements
Standards and Certifications
Reference standards and certifications:
- ISO standards compliance
- ASTM test methods
- Industry-specific standards
- Regulatory certifications
Reading Specifications
When reviewing specifications:
- Understand test conditions
- Consider application requirements
- Account for safety factors
- Consult with technical experts
Proper interpretation of technical specifications ensures products are selected and used appropriately for their intended applications.