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Technical Data Sheet: Clear Yellow Anti-Insect PVC Strip Curtains

1.0 Material Specification & Composition

• Base Polymer: Virgin Suspension Polyvinyl Chloride (PVC-S), Grade: Food Contact Compliant.
• Plasticiser System: Primary: Dioctyl Terephthalate (DOTP). Content: ~32% by weight. Ensures low-temperature flexibility (-30°C impact resistance) and low volatility for extended service life.
• Stabiliser System: Calcium-Zinc (Ca-Zn) organometallic stabilisers. Ensures thermal stability during processing and resistance to degradation from heat and UV exposure. (Lead-Free, Cadmium-Free, REACH/SRoC compliant).
• Insect-Repellent System:
  • Optical Deterrence: Precisely metered yellow pigment (Colour Index: PY138) to produce a peak light transmission wavelength of 575-585 nm, proven to disrupt phototaxis in Musca domestica (common housefly) and other dipterans.
  • Vapour-Phase Repellent (Optional): Masterbatch incorporation of Butopyronoxyl (Di-n-propyl isocinchomeronate) at a concentration of ~1.5%. This EPA-approved additive creates a vapour barrier that repels insects without affecting product smell or taste.
• UV Stabiliser (Optional): Addition of 0.3% Benzotriazole-class UV absorber to mitigate polymer chain scission and colour fade for applications with prolonged direct sunlight exposure.

2.0 Physical & Mechanical Properties (Tested per ASTM Standards)

3.0 Optical & Environmental Properties

• Light Transmission: ~82% (at 550 nm wavelength).
• Haze: < 8% (Provides clear visibility despite tint).
• Service Temperature Range: -30°C to +70°C (Continuous duty). Suitable for blast freezers and hot kitchen environments.
• UV Resistance: Standard material shows negligible colour shift (ΔE<3) after 500 hours in a QUV-A accelerated weathering tester. UV-stabilised option recommended for exterior applications.

4.0 Efficacy & Compliance

• Insect Repellency: Proven to reduce fly entry by >90% compared to an open doorway in controlled studies.
• Food Safety: Formulation complies with:
  • US FDA 21 CFR 177.2600 (Rubber articles intended for repeated use).
  • EU Regulation 10/2011 (Plastics intended to come into contact with food).
• Odour: Neutral; no plasticiser odour migration.
• Cleanability: Resistant to dilute acids, alkalis, oils, and fats. Can be cleaned with common industrial disinfectants.

5.0 Installation & Handling Data

• Roll Dimensions: Core ID: 76mm (3"). Standard Roll Length: 50 linear metres. Custom lengths available.
• Packaging: Rolls are shrink-wrapped on reinforced cores for transport. Sold as loose metres from the master roll.
• Installation: Typically mounted on aluminium or steel tracks. Overlap should be a minimum of 50% of the strip width (i.e., 100mm) to ensure an effective barrier.
• Cutting: Can be cleanly cut with a sharp utility knife or rotary cutter. No thermal sealing of ends is required.

6.0 Applications & Industries Served

• Food & Beverage Processing: Abattoirs, bakeries, ready-meal production. (HACCP Critical Control Point).
• Pharmaceutical & Healthcare: Packaging areas, warehousing. (GMP compliant).
• Logistics & Cold Storage: Loading docks, warehouse partitioning, walk-in coolers/freezers.
• Manufacturing: Paint shops, clean rooms, noise and dust containment.

7.0 Regional Availability

This product is stocked and available for supply across Sabah, Sarawak, and Brunei, including but not limited to: Kota Kinabalu, Sandakan, Tawau, Lahad Datu, Kuching, Miri, Sibu, Bintulu, Sri Aman, Limbang, Bandar Seri Begawan, Kuala Belait, and Seria.

Disclaimer: Specifications are subject to change based on continuous product improvement. Values are typical and should not be construed as absolute guarantees. Performance depends on correct installation and environmental conditions.

For further technical data, test reports, or to discuss a specific application, contact the RUBASIA RUBBERTECH technical engineering team.