Moulded solid rubber soles and heels

There are many factors through which solid PVC soles and heels can be categorized and these are the intended use, the design, and the general performance of the shoe soles and heels. It also assists the manufacturers in choosing the right material for different footwear purposes.

Different classifications of solid PVC Soles

• Casual Footwear Soles: Intended for casual use which provides comfort and good looks.
• Industrial Footwear Soles: Designed to withstand conditions that would harm others thereby improving their longevity and safety.
• Sports Footwear Soles: It is particularly fabricated to give more secure traction and cushioning during episodes of sports or any rigorous task.

To understand these classifications is pertinent for manufacturers who need to address consumers’ needs.

From IS 6719:1972, specifications in regard to performance are essential so that solid PVC soles and heels can meet different test conditions without compromising the overall structure. Key performance indicators include:

Key Performance Requirements

• Hardness: This was done with the use of a Shore A durometer to gauge the stiffness of the material.
• Tensile Strength: Tests how the material behaves when pulled apart, in terms of its strength to break.
• Compression Set: Defines the ability of the material to maintain its appearance after compression has been done.
• Flexibility: Determines its flexibility, by testing its ability to flex without fracturing or breaking.
• Water Absorption: Another one shows how much water the material can take in through the process of absorption within the given time frame.

There are certain performance indicators that assist the manufacturers in gauging the satisfaction levels of consumers, the quality of the product that is being delivered to the consumer, and the level of safety of the products.

In order to check compliance with the technical requirements of IS 6719:1972 some tests are required to be conducted. These tests are designed to simulate real-world conditions that solid PVC soles and heels may encounter during their lifecycle:

• Hardness Test: It is a tool that measures simply on a scale of how hard the material being tested is also known as a durometer.
• Tensile Strength Test: Strengths are determined by pulling a sample to rupture it, hence putting samples under tension until they break.
• Compression Set Test: The material is compacted under a certain load for a certain period of time after which it is quantified in terms of recovery.
• Flexibility Test: The material is flexed and flexed again and again to determine the material’s limit in flexing without the possibility of failure.
• Water Absorption Test: Samples of the different types of materials are soaked in water for a given time with the aim of determining the absorption capacity.

These tests help to provide the manufacturers with adequate ways to determine whether their product complies with BIS standards.

Manufacturers need to keep a laboratory to conduct tests using the right testing equipment as stated in IS 6719:1972. This facility should maintain a high level of cleanliness and operational prowess to ensure that results are as accurate as expected. Professionals working in laboratories need to be aware of certain testing protocols and certain aspects of BIS standards in order to conform to the evaluations that are being conducted. The management may also ensure that the testing practices undergo auditing often by the BIS representatives to check compliance with regulations.:

As usual, the rubber micro-cellular sheets should be labeled or marked in the right manner so as to fit the provisions of IS 6719:1972. Each product must carry specific information including:

Key Labeling Requirements

• Manufacturer's name
• Product Type
• Other standards (for example ISI mark)
• Batch number

It helps in traceability and enables the consumers to have confidence that their products are safe and have met the required standards.

To obtain BIS certification for spoke wheel rims, manufacturers must prepare and submit several essential documents:

BIS certification serves multiple purposes:

• Quality Assurance: It gives an assurance to consumers that the products being bought meet the required safety and quality.
• Market Access: It is common for retailers to lay down conditions that no product is sold in their store without clearing the BIS standards.
• Consumer Trust: Certified goods usually have high consumer confidence because they presume the quality of the products is high.

As the marketplace becomes more saturated, a BIS certificate can work wonders for any manufacturing company or brand in the market

The compliance of the manufacturers with the laid down standards such as IS 6719:1972 grants bearings manufacturers market entrée and also saves manufacturers from the wrapped ramifications of law for negligence in compliance with the standard. By adhering to these standards:

• Manufacturers can minimize product recalls resulting from quality failures.
• They can improve their brand image through the provision of quality products.
• Compliance helps to meet international trade standards in case of exporting the products.