Shree TNB Polymers Limited

Quality Policy

Shree TNB Polymers Limited is fully committed to operating with a strong focus on safety, reliability, and product quality. Our primary objective is to consistently meet customer requirements, ensuring long-term growth and sustainability of the company.

At TNB, quality is a measure of our performance as experienced by our customers. Every employee is a responsible member of our team and ensures that all products comply with contractual, legal, and internal quality standards.

Customer needs guide our processes and decision-making. Regular evaluation and benchmarking are carried out based on best industry practices, while a preventive and proactive approach is applied across all operations to maintain consistent product quality and performance.

Facility and laboratory

The company has a well-equipped laboratory of international standards to conduct all stringent tests required as per BIS standards for piping and micro irrigation systems. The lab also performs various tests in accordance with international standards, ensuring superior product quality and long-term durability.

This advanced testing infrastructure helps us deliver high-performance, reliable, and trouble-free products for irrigation and piping applications.

At TNB, we are committed to delivering products and services that ensure total customer delight, focusing on:

Product quality
Cost efficiency
Timely delivery
Reliable after-sales support

The company follows globally recognized ISO certification standards:

ISO 9001:2015 – Quality Management System
ISO 14001:2015 – Environmental Management System

BIS Licenses & Standards

Our products comply with major BIS standards for piping and irrigation systems:

ISO 4427 – HDPE Pipes
IS 13488:2008 – Emitting Pipes
IS 12786:1989 – Lateral Pipes
IS 14151 (Part-2): 2008 – Sprinkler QAC Pipes
IS 4984:2016 – PE Pipes for Water Supply
IS 14333:2022 – HDPE Pipes for Sewerage

Tests Performed

Below are the types of tests performed in our laboratory for HDPE pipes, PP pipes, and drip irrigation systems to ensure quality, strength, and durability:

Carbon Black Content / Dispersion Test
Oxidation Induction Test (OIT)
Internal Pressure Creep Rupture Test
Tensile Strength Test (Butt/Fusion Joint)
Impact Strength Test (IZOD/Charpy)
Slow Crack Growth Resistance Test
Resistance to Tension at Elevated Temperature
Creep Strength Test
Heat Reversion Test
Hydrostatic Pressure Test (for pipes and emitting pipes)

Testing Equipment & Apparatus

The laboratory is equipped with advanced and precise instruments, including:

Air Circulating Oven
Hydrostatic Pressure Testing Machine
Hot Water Bath
Melt Flow Index (MFI) Tester
Carbon Black Content & Dispersion Tester
Microscope
Hot Plate
Oxygen Index Tester
IZOD / Charpy Impact Tester
Tensile Testing Machine (UTM)
Heat Distortion Temperature Tester
Vicat Softening Point Tester
Environmental Stress Cracking Resistance Tester
Specific Gravity Tester
Hot Compression Molding Machine
Bulk Density Tester
Shore D Hardness Tester
Micrometer & Vernier Caliper
Precision Measuring Instruments

Details

“NOBLE” Brand Piping Systems

The company uses state-of-the-art pipe extrusion technology from globally recognized manufacturers such as Kabra Extrusiontechnik Ltd. (in collaboration with Germany-based Battenfeld Extrusiontechnik), along with advanced machinery from American and German companies.

These facilities enable the production of high-quality HDPE and PP pipes and fittings ranging from 20 mm OD to 630 mm OD.

“TIRUPATI” Brand Solid Polymer Sheets

Equipped with advanced AMUT Italy sheet extrusion lines, the company manufactures high-quality solid extruded polymer sheets using modern technology.

“WELLPACK” PP Hollow Profile Sheets

Two advanced production lines sourced from Taiwan-based companies ensure the manufacturing of high-quality PP hollow profile sheets, supported by imported accessories and machinery.

Tester

Our laboratory is equipped with a wide range of advanced and precision testing instruments to ensure accurate evaluation of piping systems, raw materials, and irrigation components. These testing facilities help maintain strict quality standards as per BIS and international specifications.

Computerized Hydrostatic Pressure Testing Machine (0–100 kg/cm² range)
Hydraulic Press with Dumbbell Die for UTM
Air Circulating Oven (Model: HAO-A)
Fully Automatic MFI Tester
Electronic Specific Gravity Balance
Carbon Black Dispersion Tester
Digital Hot Press for Density Testing
Stainless Steel Hot Water Bath with End Fittings
Density Tester
Digital Charpy Impact Tester
Digital VSP / HOT Tester
Bulk Density Tester
OIT Tester
Chemicals & Glassware for Testing

Frequently Asked Questions

Shree TNB Polymers follows ISO 9001:2015 and ISO 14001:2015 standards, along with multiple BIS certifications for piping and irrigation systems.

The laboratory conducts tests like hydrostatic pressure testing, carbon black testing, tensile strength, and impact resistance to ensure product quality.

Yes, all products are tested and manufactured as per BIS standards for HDPE pipes, emitting pipes, and irrigation systems.

Strict testing, advanced equipment, and continuous monitoring ensure durable, safe, and high-performance products.

Quality Control