Precision Components For A More Reliable Tomorrow
Sealing possibilities in a broader tomorrow
Elastomer Components Built for Reliability & Accuracy
HiFit specializes in custom-moulded rubber and silicone components designed for applications where fitment accuracy, compound stability, and repeatable output directly impact system performance.
- Precision O-Rings & Profile Rings
- Custom Geometry Capability
- Material Stability Across Conditions
- Dimensional Consistency at Scale
- RoHS-Compliant Standard Components

HiFit Product Range

O-Rings
O-rings are among the most widely used sealing components in industrial systems, valued for their simple geometry, reliable sealing, and versatility across static and dynamic applications.

Profile Rings
Precision-molded sealing components designed for applications where a standard O-ring geometry is insufficient.
- Specialized cross-sections, including quad rings, D-rings, and custom profiles
- Enhanced sealing contact
- Reduced friction
- Improved stability under dynamic loads

Connector Seals
Elastomer components designed to protect electrical connections from moisture, dust, and contaminants, maintaining connection integrity across demanding environmental conditions.
- Used across automotive wiring systems
- Used in electric mobility assemblies
- Used in industrial control panels
- Applied where connector protection directly influences system reliability

Wire Seals
Precision-molded elastomer components designed to seal individual wire entries in connector housings.
- Prevent moisture ingress
- Prevent fluid contamination across the wire-to-connector interface
Silicone Seals
Silicone gaskets are molded sealing components valued for:
- Exceptional thermal stability
- Flexibility across a wide temperature range
- Resistance to environmental ageing
Used in applications where rubber compounds would degrade prematurely.

Custom Molded Components
Application-specific elastomer parts, developed where standard geometries, sizes, or compounds are insufficient to meet the performance or fitment requirements of a particular assembly. Rather than working within a fixed catalog, HiFit engineers each component to the customer's specification.

O-Rings
O-rings are among the most widely used sealing components in industrial systems, valued for their simple geometry, reliable sealing, and versatility across static and dynamic applications.

Profile Rings
Precision-molded sealing components designed for applications where a standard O-ring geometry is insufficient.
- Specialized cross-sections, including quad rings, D-rings, and custom profiles
- Enhanced sealing contact
- Reduced friction
- Improved stability under dynamic loads

Connector Seals
Elastomer components designed to protect electrical connections from moisture, dust, and contaminants, maintaining connection integrity across demanding environmental conditions.
- Used across automotive wiring systems
- Used in electric mobility assemblies
- Used in industrial control panels
- Applied where connector protection directly influences system reliability

Wire Seals
Precision-molded elastomer components designed to seal individual wire entries in connector housings.
- Prevent moisture ingress
- Prevent fluid contamination across the wire-to-connector interface
Silicone Seals
Silicone gaskets are molded sealing components valued for:
- Exceptional thermal stability
- Flexibility across a wide temperature range
- Resistance to environmental ageing
Used in applications where rubber compounds would degrade prematurely.

Custom Molded Components
Application-specific elastomer parts, developed where standard geometries, sizes, or compounds are insufficient to meet the performance or fitment requirements of a particular assembly. Rather than working within a fixed catalog, HiFit engineers each component to the customer's specification.
Application Challenges vs HiFit Solutions
Challenge
Hifit Solution
Inconsistent sealing performance
Stable compound formulation aligned to operating conditions
Fitment variation across batches
Precision tooling and controlled dimensional systems
Premature wear or deformation
Material optimization based on pressure, temperature, and load
Batch-to-batch inconsistency
Structured compounding and production control
Difficulty scaling from trial to production
Validated processes ensuring repeatable output at scale
Application Challenges vs HiFit Solutions
HiFit works with elastomer materials selected based on how they perform in use, not just specifications.
Material
Chemical Name
Typical Temperature Range
Typical Hardness (Shore A)
Key Characteristics
NBR
Nitrile Butadiene Rubber
-30°C to +100°C
40–90
Strong oil and fuel resistance, good abrasion resistance, limited ozone/weathering resistance
HNBR
Hydrogenated Nitrile Butadiene Rubber
-30°C to +150°C
55–90
Improved heat, ozone and chemical resistance over NBR
EPDM
Ethylene Propylene Diene Monomer Rubber
-50°C to +150°C
30–90
Excellent weather, ozone, water, and steam resistance, poor oil/fuel resistance
FKM
Fluoroelastomer
-20°C to +200°C
60–90
Excellent chemical, fuel, and high-heat resistance
VMQ
Silicone Rubber
-60°C to +200°C
30–80
Outstanding thermal stability and ageing resistance, lower tear/abrasion strength
NR
Natural Rubber
-50°C to +80°C
30–90
High resilience and tensile strength, poor oil and ozone resistance
ACM
Polyacrylate
-20°C to +150°C
40–90
Good heat and oil resistance, limited cold resistance
HiFit components are formulated based on the customer’s requirements. Standard HiFit compounds are RoHS compliant.

Dimensional Precision
Component geometry is controlled through in-house precision tooling and validated before production release. HiFit’s dimensional tolerances are maintained in line with ISO 3302-1 standards. Standard O-ring and profile ring sizing follows ISO 3601 and DIN 3771 metric conventions, in addition to fully custom dimensions engineered to specification.
- Tolerance Standard ISO 3302-1
- O-Ring Sizing ISO 3601
- Profile Ring Sizing DIN 3771
- Custom Dimensions Engineered to Spec
From Requirement to Repeatable Production Output
-
1
Application Understanding
-
2
Design & Material Alignment
-
3
Tooling Execution
-
4
Validation Before Release
-
5
Stable Production Output
-
1
Application Understanding
-
2
Design & Material Alignment
-
3
Tooling Execution
-
4
Validation Before Release
-
5
Stable Production Output
From Specification To Production-Ready Output
Regardless of geometry, size, or application, HiFit develops, validates, and produces rubber components aligned to your specifications.
Request Samples