Description

Technical Authority Overview: James Heal BHT Free Polythene Film 63 Microns

The James Heal BHT Free Polythene Film 63 Microns (706-792) is the global gold standard for phenolic yellowing testing in the textile industry. This specialized polyethylene (PE) film is engineered specifically to be free from Butylated Hydroxytoluene (BHT), a common antioxidant found in standard plastics that is the primary culprit behind the yellowing of white and pastel-colored garments. When conducting an ISO 105-X18 or M&S C20B test, the integrity of the wrapping material is paramount. Using standard plastic film can lead to false positives and catastrophic quality control failures during garment transit or storage.

This film measures exactly 400x200mm and has a thickness of 63 microns (µm). This precise gauge ensures that the film provides a sufficient barrier against external atmospheric pollutants while remaining flexible enough to wrap test specimens securely. As a leading laboratory equipment supplier, we ensure that every box of 100 pieces is genuine and sourced directly to maintain the strict compliance required by international retailers like TESCO, Marks & Spencer, and Arcadia.

Industry Compliance and Standards

The reliability of your textile lab depends on the consumables you use. The James Heal 706-792 film is designed to meet and exceed:

• ISO 105-X18: Textiles — Tests for color fastness — Assessment of the potential to phenolic yellowing of materials.

• M&S C20B: Marks & Spencer standard for phenolic yellowing.

• Next TM43: Specific requirements for Next plc suppliers.

• TESCO TM/137/01: Compliance for high-street retail quality assurance.

Feature	Specification
Brand	James Heal (UK)
Part Number	706-792
Material	BHT-Free Polyethylene
Thickness	63 Microns (µm)
Dimensions	400 x 200 mm
Quantity	100 Pieces Per Box
Application	Phenolic Yellowing Resistance Test

Engineering Precision in Phenol Yellow Test Film

In the competitive landscape of the textile lab consumables market, James Heal remains the “original” developer of this technology, originally formulated by Courtaulds Research. The Phenol Yellow Test Film serves as a critical component of the yellowing test kit. During the test, fabric samples are sandwiched between impregnated test papers and then wrapped tightly in this 63-micron film. The package is placed in a perspirometer and heated in an incubator at 50°C for 16 hours.

If the film contained even trace amounts of BHT, the chemical reaction between the BHT and atmospheric nitrogen oxides (NOx) would produce yellow nitro-phenols, staining the fabric and ruining the test results. By using the James Heal BHT-Free Polythene Film 63 Microns, lab technicians eliminate this variable, ensuring that any yellowing observed is a true result of the fabric’s own chemical finish or environmental sensitivity.

Critical Importance of BHT Free Polythene Film 63 Microns Price in Bangladesh

For garment exporters in Dhaka and Gazipur, maintaining a consistent supply of James Heal test materials in Bangladesh is vital for meeting shipment deadlines. The James Heal BHT-Free Polythene Film 63 Microns price in Bangladesh is an investment in risk mitigation. Exporting a container of garments that later develops “storage yellowing” can lead to massive financial claims and damage to your brand reputation.

As a dedicated laboratory equipment seller, we understand that price sensitivity is important, but quality cannot be compromised. Buying genuine 63-micron polythene sheets for lab use ensures that your results are reproducible and legally defensible in the event of a quality dispute with international buyers.

Why Choose 63 Microns Over Thinner Films?

The 63-micron thickness is not an arbitrary number. This specific gauge offers:

1. Puncture Resistance: It prevents the corners of glass plates in the perspirometer from tearing the film, which would expose the test sample to oxygen and moisture.

2. Barrier Integrity: It creates a controlled micro-environment for the impregnated papers to react correctly with the fabric.

3. Durability: The film remains stable under the 50°C heat of the laboratory incubator without stretching or thinning.

Usage and Storage Guidelines for Laboratory Polythene Film

To maintain the “BHT-free” status, this film must be handled with care. We recommend the following best practices for laboratory technicians:

• Storage: Keep the box in a cool, dry place away from direct sunlight and industrial fumes.

• Shelf Life: Use the film within 12 months of opening the original packaging to ensure maximum chemical stability.

• Handling: Always use clean gloves when handling the film. Contaminants from skin oils can interfere with the sensitivity of the phenolic yellowing test.

• Disposal: While the film is high-quality polyethylene, it is intended for single-use in testing to avoid cross-contamination between different batches of fabric.

Sourcing from a Trusted Laboratory Equipment Supplier in Bangladesh

Finding a reliable James Heal lab equipment shop in Tikatuli, Dhaka or through an authorized James Heal textile testing consumables dealer in BD is essential to avoid counterfeit products. Counterfeit films often claim to be BHT-free but use inferior recycled plastics that contain stabilizers that can leach into your fabrics.

When you buy James Heal BHT Free Polythene Film online in Bangladesh from an authorized source, you are guaranteed the 706-792 part number with full traceability. This ensures that your ISO standard test fabrics are protected during the assessment process. Whether you are looking for the wholesale price of James Heal BHT free film 100 pcs or a single box for small-scale sampling, choosing a supplier with deep roots in the scientific community is the only way to ensure accuracy.

Application in Diverse Industrial Testing

While the primary use is in textile garments and RMG (Ready-Made Garment) sectors, this precision measuring instrument accessory is also used in:

• Yarn Production: Testing the sensitivity of white synthetic yarns.

• Footwear Industry: Assessing the yellowing potential of white sneaker materials and linings.

• Quality Control Tools: Used by third-party inspection agencies to verify factory claims regarding chemical finishes.

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