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Specifications
A fully biodegradable resin for moulding and extrusion applications.For use in applications where compostability is required
Biograde T-BM
Rigid Moulding or Sheet grade Resin-Biodegradable
- A fully biodegradable resin for rigid moulding and extrusion applications.
- For use in applications where compostability is required
Description
BIOGRADE TBM is a fully biodegradable plastic based on a blend of thermoplastic
starch (TPS), aliphatic polyesters (AP), filler and natural plasticizers (glycerol and sorbitol). This grade of resin is compatibilised to offer a high level of mechanical strength, good elongation properties and toughness. The resin is based on corn starch which is a renewable material. The resin does not contain polyolefins.
Applications
- Injection moulded products such as cutlery, toothbrushes, combs, golf-tees, etc.
- Horticultural products such as flower pots and stakes
- Injection moulded caps and closures
- Extruded sheet for disposable plates and produce trays
- Extruded tubes for aquatic applications
Processing Conditions
BIOGRADE TBM resin can be processed on standard injection moulding machines or extrusion (sheet or profile)
Suggested Max Moisture (%) 0.2
Middle Temperature (°C) 160 to 170 deg.C
Front Temperature (°F) 140 to 150 deg.C
Nozzle Temperature (°C) 170 to 180 deg.C
Processing (Melt) Temp (°C) 160 to 165 deg.C
Mold Temperature (°C) 10 to 15 deg.C
Specific Instructions for Moulding of BIOGRADE T-BM Resin:
Before moulding the resin, the injection moulders barrel needs to be purged and cleaned of residual polyethylene or other polymers and then the BIOGRADE T-BM resin can be used as the last cleaning step, after which the temperature can be adjusted to the correct settings.
Other Comments
- Printability of Biograde TBM is excellent without the need for surface treatment such corona discharge.
- Wet TBM resin should be dried at 60-70 deg.C for 2-3 hrs before processing.
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