Rubber Cone | 18 inch traffic cone | 28 inch safety cone | 12 inch pe cone | weighted safety cone

1.0 Physical Dimensions & Tolerances

Parameter	Value	Tolerance	Notes
Total Height (A)	750 mm	± 10 mm	Measured from base contact point to apex.
Base Length (B)	380 mm	± 5 mm	Square base dimension.
Base Width (C)	380 mm	± 5 mm	Square base dimension.
Base Height / Thickness	40 mm	± 2 mm	Uniform thickness of rubber base.
Apex Hole Diameter	30 mm	± 2 mm	For optional mounting or flag insertion.
Wall Thickness	2.5 mm	± 0.3 mm	Consistent gauge via rotational molding.

*(Refer to Diagram D-1 for dimension callouts)*

Diagram D-1:

text

(A)

750mm

/ \

/________\

/__________\

/_[ Rubber ]_\

/____(C)_______\

| 380mm |

2.0 Material Specifications

2.1 Cone Body

Material: High-Density Polyethylene (HDPE)
Grade: UV-Stabilized Copolymer Resin
Density: 0.955 g/cm³ (ASTM D792)
Melt Flow Index (MFI): 6.5 g/10 min (190°C/2.16kg, ASTM D1238)
Pigmentation: In-mold, masterbatch colourant. PANTONE® 152C (Fluorescent Orange).
Additives: UV inhibitors (HALS - Hindered Amine Light Stabilizers) ≥ 2% by weight.

2.2 Base

Material: Solid, Non-Cellular Rubber Compound
Type: Carbon-Black Filled Styrene-Butadiene Rubber (SBR)
Specific Gravity: 1.45
Durometer (Hardness): 65 Shore A (ASTM D2240)
Binding Method: Co-molded during the rotational molding process for inseparable integration.

3.0 Performance & Test Data

3.1 Mechanical Properties

Tensile Strength (Cone Body): 24 MPa (ASTM D638)
Elongation at Break: > 600% (ASTM D638)
Impact Strength (Izod Notched): 90 J/m (ASTM D256) | Resists shattering upon impact.
Compression Set (Base): 25% (ASTM D395, Method B, 22 hrs @ 70°C) | Base maintains shape under prolonged load.

3.2 Stability & Environmental Testing

Tip-Over Wind Speed: > 80 km/h (50 mph) | Tested in a wind tunnel per simulated conditions.
Operating Temperature Range: -40°C to 80°C | No cracking or significant deformation observed.
Weathering Resistance: > 2000 hours (ASTM G154, Cycle 4) | Minimal colour shift (Delta E < 3).
Water Absorption: < 0.01% (ASTM D570) | Virtually non-absorbent.

3.3 Photometric Properties (Reflectivity)

Reflective Material: 3M™ Diamond Grade DG³ Reflective Sheeting (Series 4000)
Collar Width: 75 mm (3 inches)
Coefficient of Retroreflection (Ra):
- Observation Angle: 0.2° | Entrance Angle: -4° | Ra Value: > 500 cd/lx/m²
- Meets and exceeds ASTM E810 and MUTCD standards for intensity.

4.0 Weights & Logistics

5.0 Compliance & Standards

This product is manufactured to conform to the following guidelines and specifications (as applicable):

Manual on Uniform Traffic Control Devices (MUTCD): Conforms to Type I, II, or III cone dimensions and reflectivity requirements.
Occupational Safety and Health Administration (OSHA): 29 CFR 1910.144 and 1926.200 for accident prevention signs and tags.
American Society for Testing and Materials (ASTM): D638, D256, D570, G154.
Federal Highway Administration (FHWA): Guidelines for temporary traffic control devices.

Note: It is the buyer's responsibility to ensure the product meets specific local or project requirements.

6.0 Quality Assurance & Certifications

Process Control: 100% inspection for visual defects, colour consistency, and reflective collar application.
Batch Testing: Random samples from each production batch undergo mechanical and photometric testing.
Certification: Certificate of Compliance (CoC) provided with each shipment upon request.

7.0 Ordering Information

Product Code: RK-PE750-RB
Standard Color: Fluorescent Orange (PANTONE 152C)
Minimum Order Quantity (MOQ): 100 units for standard product.
Lead Time: 2-4 weeks for standard orders. Please inquire for custom options.

Customization Options (MOQ Applies):

RUBBER-KU RUBBER PRODUCTS
Engineering Precision in Safety.

Send us your enquiry if you have questions or comments about our products and services.

Other Products