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Consulting for Compostable Plastic Manufacturing

Understanding the CPCB guidelines for manufacturing of compostable plastics. How to apply for Pollution Board CTE & CTO and then CIPET Lab test report

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Compostable Plastics Manufacturing Compliances

A Compostable Plastic Manufacturing Registration is an official authorization issued by the Central Pollution Control Board (CPCB) that allows a business to legally manufacture plastic products which are certified as compostable plastics. It is a Government Authorization that confirms your factory or company is legally allowed to manufacture compostable plastic items, such as bags, packaging materials, or other plastic products that can break down naturally into compost under specific composting conditions. To operate legally, such manufacturers must obtain a Registration from the CPCB before manufacturing any compostable plastic. It certifies that the plastic products (like carry bags, packaging, etc.) meet strict criteria, meaning they will genuinely break down into natural components (like carbon dioxide, water, inorganic compounds, and biomass) in a composting environment, without leaving harmful or toxic residue.

Difference between Compostable and Biodegradable plastics

Biodegradable things are any materials that breakdown in the environment when exposed to microorganisms, whereas compostable goods are especially organic matter that decomposes, with the end product having numerous useful uses such as fertilising and increasing soil health. Compostable plastics are not biodegradable plastics.

Common Questions

Frequently Asked Questions

The required tests for compostable plastics are grouped into four key criteria under International Standards like IS/ISO 17088 (India), ASTM D6400 (USA), and EN 13432 (Europe).
Types of Tests for Compostable Plastics
•    Disintegration Test: Assesses whether the plastic physically breaks down into fragments smaller than 2 mm during controlled composting. After 12 weeks (84 days) no more than 10% of the material’s original dry mass should remain as fragments larger than 2 mm.
•    Biodegradation Test: Measures how much of the plastic converts into CO2, water and biomass by microbial action. Minimum 90% biodegradation within 180 days under controlled composting conditions.
•    Heavy Metals and Hazardous Substance Test:  Analyzes the content of regulated heavy metals such as lead, cadmium, chromium & any hazardous substances within the plastics to ensure concentrations remain below set thresholds. This ensures the compost remains safe for agricultural use.
 

The Central Pollution Control Board (CPCB) recognizes the following Government laboratory as having acceptable testing facilities for compostable plastics in India:

• Central Institute of Plastics Engineering & Technology (CIPET): CPCB specifically mentions that currently “only CIPET … is the CPCB-recognized government laboratory having adequate testing facilities to conform to IS 17088:2008”.

• Accredited for this specific purpose by the National Accreditation Board for Testing and Calibration Laboratories (NABL).

• Status: CIPET, an institute under the Ministry of Chemicals and Fertilizers, Government of India, is the main government laboratory specified in CPCB's Standard Operating Procedures (SOPs) for the testing of compostable plastics.

• Role: CIPET centers across India, which have the necessary testing facilities, are recognized to conduct the full suite of tests (biodegradation, disintegration, Eco toxicity, and heavy metal analysis) required for CPCB certification.
 


 

The documents required for registration for compostable plastic manufacturing are:
•    GST Registration
•    KYC of Authorized signatory
•    CIN / Partnership deed
•    Company PAN Card
•    Site Layout Plan
•    Allotment letter / Rent Agreement + Rent NOC
•    Consent order under the Air and Water Acts from the concerned SPCB/PCC.
•    CIPET Lab test report
•    Raw Material details
•    Manufacturing Process details 

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