Welcome to Supreme's world of polypropylene innovation with Silpack, our premium line of extruded polypropylene sheets. Designed to meet international standards, Silpack offers top-quality characteristics and versatility for various applications. These sheets are crafted for complete recyclability and customised solutions, making them ideal for industrial packaging, waterproofing protection, partition panels, false ceilings, insulation boards, advertising, printing, stationery, and more. Silpack features a unique construction with two outer layers and a vertical flute connecting them, ensuring durability and functionality.

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Silpack

Silpack is an extruded polypropylene sheet. Usually called flute board

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Supreme's Silpack range sets the standard for polypropylene sheet performance in India. Manufactured to high-quality standards, Silpack earns the trust of procurement managers, packaging engineers, print professionals, and construction buyers. They need materials that perform well in extreme temperatures, various load conditions, and tough applications.

Silpack’s polypropylene plastic sheet offers a reliable, recyclable, and non-toxic solution suitable for many uses, including industrial transit packaging, architectural interior lining, ESD-sensitive component handling, and large-format advertising displays. Unlike commodity products, Silpack is engineered for specific purposes, enhanced by Supreme's robust manufacturing and technical know-how.

Silpack by Supreme — India's One-Stop Solution in the World of Polypropylene

Silpack by Supreme is India's go-to brand for polypropylene sheets. It is custom-made for industrial buyers who need more than just a PP flute board. The construction features two solid outer layers linked by a vertical flute, forming a twin-wall profile. This design provides high impact resistance and support without the weight issues found in similar options.

The material is 100% recyclable, non-toxic, and waterproof. It comes in food-grade compatible options, suitable for applications where compliance and hygiene are crucial alongside mechanical performance. As a polypropylene sheet manufacturer in India with nationwide distribution, Supreme provides Silpack with customisation options, technical support, and the reliable supply chain that bulk buyers need.

 

H-Line, S-Line, Silboard — Three Silpack Polypropylene Products, Infinite Applications

The Silpack product line has three main categories, each optimised for distinct end-use needs. All three maintain the same high-quality polypropylene sheet and recyclability. Their differences lie in grade structure, size range, and available surface treatments.

H-Line Silpack — Industrial Grade

H-Line Silpack is the primary industrial-grade. It offers thicknesses from 2 mm to 10 mm and GSM values ranging from 250 to 3,500. The H-Line is ideal for industrial packaging, reusable storage, transit protection, and structural interior applications. The maximum sheet width is 1,500 mm. It includes various grades: Common Treated, Corona Treated, Anti-Static, Conductive, and UV Stabilised PP sheet, each catering to different performance needs in demanding environments.

S-Line Silpack — Print and Advertising Grade

S-Line Silpack shares the material quality of H-Line, but is optimised for printing and signage applications. It's specifically designed for commercial print processes, enabling clear results across offset, digital, and screen printing. This product is favoured by display houses, advertising agencies, and stationery manufacturers who need a lightweight, rigid, and printable substrate.

Where Is Silpack Polypropylene Sheet Used?

Industrial Packaging

In industrial packaging, H-Line Silpack is commonly used for transit and storage packaging. Its waterproof and moisture-resistant features make it an excellent material for reusable boxes, transit crates, component separators, and protective liners. The closed-cell vertical rib structure helps the board maintain its shape during repeated loading and handling, making it a durable choice compared to single-use corrugated fibreboard.

Construction and Interiors

Silpack's rigidity and low weight make it suitable for a wide range of applications. It can be used as a PP sheet for false ceiling systems, PP partition panel substrates, insulation layers in composite wall and floor assemblies, and as protective coverings for floors and walls during construction. Its non-toxic nature and easy fabrication make for hassle-free installation and removal, leaving no residue or damaging surfaces.

Advertising and Retail

In advertising and retail, S-Line Silpack is a preferred choice for applications such as hoarding panels, retail signage, point-of-sale displays, exhibition stands, and promotional boards. Its printability across different commercial processes, combined with the structural strength of the polypropylene, makes it a cost-effective solution for both large-format and short-run advertising needs.

Automotive and Electronics

In the automotive and electronics sectors, Silpack offers Anti-Static and Conductive-grade options for ESD-sensitive components. These meet the needs of buyers in automotive manufacturing, electronics assembly, and defence supply chains where material certification and reliable ESD performance are essential.

Stationery and Education

For stationery and educational uses, Silpack's non-toxic, lightweight properties make it ideal for products such as document folders, lever arch file covers, book covers, presentation boards, and institutional binders. The material is tough enough for regular handling, lightweight, and available in a colour range that suits both branded and unbranded needs.

Food Industry

In the food industry, compliance is the main requirement when packaging comes into direct contact with food. Silpack's food-grade PP sheets meet the criteria for direct contact uses, including fresh produce trays, dry food packaging inserts, bakery liners, and cold chain packaging. Food manufacturing and logistics managers who need certified materials should choose Silpack's food-grade options.

Silpack Specification Guide — Thickness, GSM, Grades and Customisation Options

The Silpack Specification Guide outlines the thickness, GSM, grades, and customisation options for H-Line Silpack and Silboard Bubble Guard. The tables below show the full specification matrix. For procurement managers and technical buyers seeking PP hollow corrugated sheets in bulk, these parameters define the standard options available, with custom specifications available upon request.

H-Line Silpack — Specification Matrix

Thickness

GSM Range

Max Width

Grade Options

2 mm

250–300 GSM

1500 mm

Common, Corona

3 mm

~400–600 GSM

1500 mm

Common, Corona

3.5 mm

~500–700 GSM

1500 mm

Anti-Static

4–4.5 mm

~600–900 GSM

1500 mm

Conductive

5–6 mm

~900–1500 GSM

1500 mm

UV Stabilised

8–10 mm

Up to 3500 GSM

1500 mm

All grades

S-Line has the same dimensions and grades as H-Line. Custom widths and thicknesses are available on request.

 

Silboard Bubble Guard — Specification Matrix

Parameter

Silboard Bubble Guard Specification

Thickness range

2 mm to 18 mm

Maximum width

2000 mm

GSM range

Up to 6000 GSM

Material

100% virgin polypropylene

Core structure

Honeycomb bubble core

Box forms

Foldable box, M-Fold, Z-Fold, custom

Volume reduction (collapsed)

Up to 75%

Custom box forms and dimensions are also available. Contact Supreme for specific project needs.

Grade options across both lines include Common Treated, Corona Treated PP sheets for improved adhesion in printing, Anti-Static PP sheets for ESD protection, Conductive PP sheets for grounded ESD areas, and UV Stabilised PP sheets for outdoor and high-UV-exposure applications. All Silpack grades are 100% recyclable, waterproof, non-toxic, and produced to high-quality standards.