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An ISO 9001:2015 & ISO 14001 :2015Certified Company

Quality Control

Shree “TNB” Polymers Limited is fully committed to operating in ways that place particular emphasis on safety, reliability, and the quality of the products we supply. Our primary aim is to confer to our customer's requirements, which will in turn ensure the future growth and prosperity of the company. For team “TNB”, quality is a measure of our performance as experienced by our customers.

Every employee in the company is a responsible member of our team and ensures that the products we supply confer to our contractual, legal, and internal quality requirements. Customer's needs guide our ways of working. Regular comparison and evaluation are performed based on the best industry practice. A preventive and proactive approach is always applied.


The company has a well-equipped LAB of international standard to carry out all stringent tests required as pe BIS Standards for piping and micro-Irrigation Systems. The lab also helps conduct various quality tests as per international Standards. This helps us to maintain superior quality and to ensure the trouble-free performance of our products.

We at “TNB” are committed to providing our customers with products and services that lead to total customer delight rather than just customer satisfaction in terms of quality, cost, delivery, and after-sale services. The company follows ISO certification guidelines of 9001:2015 & 14001:2015.

    BIS LICENCE

  • ISO 4427 (HDPE Pipe)

  • IS 13488:2008 (Emitting Pipes)

  • IS 12786: 1989 (Laterals Pipes).

  • IS 14151 (Part-2) : 2008 (Sprinkler QAC Pipes)

  • IS 4984:2016 (PE Pipes for Water Supply)

  • IS 14333:2022 (HDPE Pipes for Sewerage)


Below are the types of tests for HDPE, PP Pipes, and drip lines performed in our laboratory:

  • Carbon Black Content/ Dispersion Test - Oxidation Induction Test

  • Internal Pressure Creep Rupture Test - Tensile Strength for Butt/Fusion - Impact Strength

  • Slow Crack Growth Rate Test - Resistance to Tension at Elevated Temperature.

  • Creep Strength - Heat Reversion - Resistance of Emitting Pipe to Hydrostatic Pressure Our Ultra-Modern Testing Laboratory monitored & run by experienced Technicians consists of following latest Test



Apparatus:

  • Air Circulating Oven

  • Hydrostatic Pressure Testing M/C

  • Hot Water Bath

  • Melt Flow Index Tester

  • Carbon Black Content Tester

  • Microscope

  • Hot Plate

  • Oxygen Index Tester

  • IZOD Charpy Impact Tester

  • Tensile Testing M/C/UTM

  • Heat Distortion Temperature

  • Vicat Softening Point Tester

  • Environment Stress Cracking

  • Resistance Tester

  • Specific Gravity Tester

  • Hot Compression Molding M/C

  • Bulk Density Tester

  • Shore D Hardness Tester

  • Micrometer

  • Vernier Caliper

  • Measuring Instruments


PLANT & MACHINERIES

"NOBLE" Brand Piping Systems
State of the art pipe extruder of world renowned mis. Kabra - Extrusiontechnik ltd. (collaboration with germany based co. Mis. Battenfeld extrusiontechnik) with other accessories / Machines from american and german companies. Plants proudce best quality hope / pp pipes and pipe-fittings From 20mm od to 630mm od.

"TIRUPATI" Brand solid extruded polymer sheets
State of the art technology based "amut-italy" sheet extrusio line and other best technology based sheeting lines.

"WELLPACK" Brand pp hollow profile sheets
Two state of the art pp hollow pofile sheet lines from taiwan based companies and all imported accessories / machines.


List of Testing Equipments:

  • Computerized HYDRO-STATIC Pressure Testing Machine with Nine Outlets With QRC Pressure Range: 0- 100 Kg/cm2,

  • Resolution: 0.1 Kg/cm2 and Temperature Indicator.

  • Hydraulic Press with Dumbbell Die for UTM.

  • Air Circulating Oven, Model: HAO-A.

  • Fully Auto MFI Tester.

  • Electronic Specific Gravity Balance.

  • Carbon Black Dispersion Tester.

  • Carbon Black Dispersion Tester.

  • Digital Hot Press for Density.

  • S.S. Hot Water Bath with End Fittings.

  • Density Tester.

  • Chemicals & Glassware.

  • Digital Charpy Impact Tester.

  • Digital VSP / HOT Tester.

  • Bulk Density Tester.

  • End Fittings.

  • OIT Tester.

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