Tisester® PBT

Tisester® PBT is the registered trade mark for Polybutylene Terephthalate compounds produced by Tisan.

 

Polybutylene Terephtalate (PBT), partially crystalline saturated polyester. PBT has excellent resistance to a broad range of chemicals at room temperature, including aliphatic hydrocarbons, gasoline, carbon tetrachloride, perchloroethylene, oils, fats, alcohols, glycols, esters, ethers and dilute acids and bases. They are attacked by strong bases.

Tisester® PBT is crystalline, high molecular weight polymer that has an excellent balance of properties and processing characteristics. Because the material crystallizes rapidly, mold cycles are short and molding temperatures can be lower than for many engineering plastics. Tisester® PBT is excellent for its very good dimensional stability, low water absorption.
In some areas, Tisester® PBT is replacing other crystalline thermoplastics such as polypropylene, nylon and acetal because of the need for improved performance.
Tisester® PBT compounds with high tracking resistance make small contact distances possibles condition for increasing minimization.
Tisester® PBT formulations can also be developed to meet specific market needs.
Tisester® PBT is a fully recycable material and it can be reused after regrinding.
The user shall always verify that the compound obtained by mixing virgin and reground material is suitable for the specific application and that its properties meet the requirements.
Tisester® PBT grades can be provided fully colored in customized colors with narrow color specifications colorability even in light colors.


Main specifications

Modification of PBT by compounding with glass fiber, mineral fillers and modifiers produces a substantial change in the properties of the base material and gives to compositions based on Tisester® PBT the following properties;
Excellent stiffness and hardness, good mechanical strength, good creep and fatigue resistance, very good thermal stability, high wear resistance and low friction, good dimensional stability, very good chemical resistance, excellent flow and processing properties, low water absorption, very good surface finish, no tendency to form stress cracks, high tracing resistance, high good sliding properties, excellent heat ageing behavior. Flame retardant compound with halogen and halogen free, UL94 V-2 or V-0 classifications (UL approved grades), glow wire flammability index, glow wire ignition behavior (no flame), low smoke density.


Fillers / reinforcements / modifiers

Glass fibers-glass beads-carbon fibers-mineral fillers are available with varying contents in different combinations. And also filled materials containing PTFE available with appropriately low friction and improved wear. Heat stabilizers-hydrolysis stabilizers-lubricants-UV stabilizers, electrical conductive etc. are being used in non-reinforced and reinforced grades to increase specific material properties.

 

 F UNR K02 R02 PBT, unfilled, heat stabilized, black PDF Görüntüle
 F UNR K04 R02 PBT, unfilled, impact modified, black PDF Görüntüle
 F UNR K04 R01 PBT, unfilled, impact modified, natural PDF Görüntüle
 F 30D05 R01 PBT, 30% glass bead reinforced, natural PDF Görüntüle
 F 10D03 R01 PBT, %10 Glass fiber reinforced, natural PDF Görüntüle
 F 15D03 R01 PBT, 15% glass fiber reinforced, natural PDF Görüntüle
 F 15D03 K08 R01 PBT, 15% glass fiber reinforced, PTFE modified, natural PDF Görüntüle
 F 20D03 K02 R01 PBT, 20% glass fiber reinforced, heat stabilized, natural PDF Görüntüle
 F 30D03 R01 PBT, 30% glass fiber reinforced, natural PDF Görüntüle
 F 30D03 K04 R01 PBT, 30% glass fiber reinforced, natural PDF Görüntüle
 F 50D03 R01 PBT, 30% glass fiber reinforced, impact modified, natural PDF Görüntüle
 F 30D11 R02 PBT, 50% glass fiber reinforced, natural PDF Görüntüle
 F UNR F01 K02 HS R01 PBT, 30%carbon fiber reinforced, black PDF Görüntüle
 F UNR F01 K04 HS R01 PBT, unfilled, flame retardant-halogeN heat stabilized, natural PDF Görüntüle
 F 20D03 F01 K02 HS R01 PBT, unfilled, flame retardant-halogen, impact modified, natural PDF Görüntüle
 F 25D03 F01 K02 HS R01 PBT, 20% glass fiber reinforced, flame retardant-halogen, heat stabilized, natural PDF Görüntüle
 F 30D03 F01 K02 HS R01 PBT, 25% glass fiber reinforced, flame retardant-halogen, heat stabilized, natural PDF Görüntüle
 F 30D03 K02 K06 R01 PBT, 30% glass fiber reinforced, flame retardant-halogen, heat stabilized, natural PDF Görüntüle
Main Specifications

Modification of PBT by compounding with glass fiber, mineral fillers and modifiers produces a substantial change in the properties of the base material and gives to compositions based on Tisester® PBT the following properties;

  • Excellent stiffness and hardness,
  • Good mechanical strength,
  • Good creep and fatigue resistance,
  • Very good thermal stability,
  • High wear resistance and low friction,
  • Good dimensional stability,
  • Very good chemical resistance,
  • Excellent flow and processing properties,
  • Low water absorption,
  • Very good surface finish,
  • No tendency to form stress cracks,
  • High tracing resistance,
  • High good sliding properties,
  • Excellent heat ageing behavior.
  • Flame retardant compound with halogen and halogen free,
  • UL94 V-2 or V-0 classifications (UL approved grades),
  • Glow wire flammability index,
  • Glow wire ignition behavior (no flame),
  • Low smoke density.
Product Types

 

Glass fibers-glass beads-carbon fibers-mineral fillers are available with varying contents in different combinations. And also filled materials containing PTFE available with appropriately low friction and improved wear. Heat stabilizers-hydrolysis stabilizers-lubricants-UV stabilizers, electrical conductive etc. are being used in non-reinforced and reinforced grades to increase specific material properties.

 

Application Areas

Tisester PBT finds itself application in many industries. Among these sectors are listed below.

  • Electric & Electronic
  • Automotive Construction
  • Mechanical Engineering
  • Construction
  • Household & Optic
  • Others
Packing & Storage

Tisester® PBT are supplied in pellet form in moisture-proof 25 kg aluminum layer bags. Other forms of packing like octabins and big-bags with PE or aluminum in-liners are also available. During storage the material should be keep away from moisture and heat. A dry storage room or area is recommended, also sacks are used to protect the material from damage. Damaged material or ripped sacks should be closed tightly or transferred to metal containers and in some cases, drying may be necessary before use.

 

Acids Dilute Acids Concentrated Alkalis Alcohols Aromatic Hydrocarbon Oils and Greases Halogenated Hydrocarbon Ketones
Good Good-poor Fair Good Good Good Good-poor Good-poor
Tisester PBT
Predying Temperature 100 – 120 C
Predrying Time 4-8 saat
Maximum Moisture %0.020
Melting Temperature 250-270 C
Nozzle Temperature 240-260 C
Pre-3 Region Temperature 240-260 C
Mid-2 Region Temperature 230-250 C
Aft-1 Region Temperature 230-240 C
Mold Temperature 80-100 C
Back Pressure 3-10 MPa