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ALCOM® PBT 700/2 WT31-956LB

1 of 363 products in this brand
MOCOM Compounds ALCOM® PBT 700/2 WT31-956LB is a Polybutylene Terephthalate base polymer with a special filler/additive system that provides high stiffness and a highly reflective, opaque finish. It is used in the automotive and various other market segments for applications such as lighting, light blocking components, light guides, and reflectors. It can be processed for injection molding with a melt temperature of 250-270°C and a mold temperature of 80-120°C. For optimal performance, it should be stored in a dry and light-protected environment.

Polymer Name: Polybutylene Terephthalate (PBT)

Processing Methods: Injection Molding

Fillers Included: Mineral, Proprietary

Flexural Modulus: 2700.0 - 2700.0 MPa

Technical Data Sheet

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Knowde Enhanced TDS

Identification & Functionality

Chemical Family

Polyesters

Fillers Included

Mineral,

Proprietary

Polymer Name

Polybutylene Terephthalate (PBT)

Plastics & Elastomers Functions

Resin

Technologies

Plastics

Product Families

Plastics — Engineering & Specialty Polymers

Polyesters & Copolyesters

Features & Benefits

Labeling Claims

Azo Colorants-free,

Azo Dyes-free,

Conflict minerals-free,

PAH-free,

PFOA-free,

PFOS-free,

Persistent Organic Pollutants (POP)-free

Materials Features

Excellent Opacity,

Good Light Reflection,

High Reflectivity,

High Stiffness,

Light Blocking

Applications & Uses

Markets

Automotive & Transportation

Applications

Automotive & Transportation — Automotive

Aftermarket Parts & Components,

Automotive Lighting,

Exterior & Body

Plastics & Elastomers End Uses

Automotive Applications,

Automotive Exterior Parts,

Light Blocking Components,

Light Guides,

Reflectors

Plastics & Elastomers Processing Methods

Injection Molding

Properties

Mechanical Properties
ValueUnitsTest Method / Conditions
Flexural Modulus2700.0MPaISO 178
Flexural Stress (3.5% Strain)79.0MPaISO 178
Tensile Modulus2800.0MPaISO 527
Tensile Stress at Yield55.0MPaISO 527
Tensile Elongation at Yield3.5%ISO 527
Tensile Elongation at Break11.0%ISO 527
Impact Strength (Charpy, at 23°C)125.0kJ/m²ISO 179/1eU
Impact Strength (Charpy, at -40°C)40.0kJ/m²ISO 179/1eU
Notched Impact Strength (Charpy, at 23°C)5.0kJ/m²ISO 179/1eA
Notched Impact (Charpy, at -40°C)3.5kJ/m²ISO 179/1eA
Physical Properties
ValueUnitsTest Method / Conditions
Density1440.0kg/m³ISO 1183
Thermal Properties
ValueUnitsTest Method / Conditions
Vicat B50180.0°CISO 306
HDT / A (1.8 MPa)60.0°CISO 75-1/-2
DSC (Melt Point)225.0°CISO 11357
Typical Properties
ValueUnitsTest Method / Conditions
Moisture Contentmax. 0.02%—
Optical Properties
ValueUnitsTest Method / Conditions
Tristimulus Value Y10 of Reflection92.0%DIN 5033
Tristimulus Value Y10 of Transm.,d=0.5mm0.4%ISO 13468
Processing Information (Injection Molding)
ValueUnitsTest Method / Conditions
Melt Temperature250 - 270°C—
Mould Temperature80 - 120°C—
Rheological Properties
ValueUnitsTest Method / Conditions
Melt Index (MVR)25.0cm³/10minISO 1133
MVR Temperature250.0°C—
MVR Load2.16kg—
Shrinkage (Lengthwise, 24h)1.8 - 2.2%ISO 294-4
Shrinkage (Lateral, 24h)1.7 - 2.1%ISO 294-4

Regulatory & Compliance

Certifications & Compliance

Directive 2011/65/EC amended through EU/2015/863 (RoHS),

EC No.1907/2006,

IATF 16949,

ISO 13485,

ISO 14001,

ISO 17025,

ISO 45001,

ISO 50001,

ISO 9001,

REACH (Europe),

REACH (UK),

RoHS Compliant,

SVHC Compliant

Technical Details & Test Data

Pre-Drying Conditions
  • In a dry air (dessiccant) dryer 100-120 °C for 2-4 h
  • In an air circulatIng dryer 100-120 °C for 4-8 h

Storage & Handling

Storage Conditions

Store in dry, protected from light.