PBT Powder (Polybutylene Terephthalate)
PBT powder is supplied in free-flowing form for coating, sintering, and electrical/electronic component processing. It offers strong electrical insulation, dimensional stability, and resistance to moisture and many chemicals. Typical particle size ranges from roughly 100 to 300 µm depending on grade; particle size and specific grade are confirmed at time of quotation.
~223°CMelting / Softening Point
100–300 µmParticle Size Range
Custom Made-to-OrderGrade, Size & Quantity
WorldwideExport Shipping
PBT Powder — Grades & Specifications
Polybutylene Terephthalate (PBT) powder is supplied across a range of grades, particle sizes and morphologies. The options below are typical; specify your target values in the request form and we will confirm availability, lead time and pricing.
| Material | Polybutylene Terephthalate (PBT) |
|---|---|
| Category | Engineering & Commodity Plastic Powders |
| CAS number | 24968-12-5 |
| Melting / softening point | Approx. 223°C |
| Particle size | Powder/granular grades typically 100–300 µm |
| Morphology | Fine to medium free-flowing powder |
| Appearance | White to off-white free-flowing powder |
| Max. continuous service temperature | Approx. 80–140°C continuous depending on grade |
| Typical applications | Electrical Connectors & Switches, Automotive Under-Hood Parts, Household Appliance Housings, LED & Lighting Components |
Applications by Industry
Electrical Connectors & SwitchesMolded into electrical connectors, switches and terminal blocks requiring insulation and dimensional stability.
Automotive Under-Hood PartsUsed in under-hood connectors and sensor housings exposed to heat, oil and vibration.
Household Appliance HousingsApplied in appliance housings and internal components requiring chemical and moisture resistance.
LED & Lighting ComponentsProcessed into LED housings and lighting fixture components needing heat and UV stability.
Industrial Sensor EnclosuresSelected for industrial sensor and relay enclosures requiring consistent electrical insulating performance.
Functional Powder CoatingsApplied as a functional powder coating for components needing electrical insulation and surface hardness.
Particle Size & Mesh Conversion
Reference for converting between US mesh and microns/millimetres. Figures are nominal sieve openings and may vary slightly by standard.
| Mesh (US) | Micron (µm) | mm | Inch | Remarks |
|---|---|---|---|---|
| 3 | 6730 | 6.730 | 0.2650 | |
| 4 | 4760 | 4.760 | 0.1870 | |
| 5 | 4000 | 4.000 | 0.1570 | |
| 6 | 3360 | 3.360 | 0.1320 | |
| 7 | 2830 | 2.830 | 0.1110 | |
| 8 | 2380 | 2.380 | 0.0937 | |
| 10 | 2000 | 2.000 | 0.0787 | |
| 12 | 1680 | 1.680 | 0.0661 | |
| 14 | 1410 | 1.410 | 0.0555 | |
| 16 | 1190 | 1.190 | 0.0469 | |
| 18 | 1000 | 1.000 | 0.0394 | |
| 20 | 841 | 0.841 | 0.0331 | |
| 25 | 707 | 0.707 | 0.0278 | |
| 30 | 595 | 0.595 | 0.0234 | |
| 35 | 500 | 0.500 | 0.0197 | |
| 40 | 420 | 0.420 | 0.0165 | |
| 45 | 354 | 0.354 | 0.0138 | |
| 50 | 297 | 0.297 | 0.0117 | |
| 60 | 250 | 0.250 | 0.0098 | |
| 70 | 210 | 0.210 | 0.0083 | |
| 80 | 177 | 0.177 | 0.0070 | |
| 100 | 149 | 0.149 | 0.0059 | |
| 120 | 125 | 0.125 | 0.0049 | |
| 140 | 105 | 0.105 | 0.0041 | |
| — | 100 | 0.100 | 0.0039 | Sand |
| 170 | 88 | 0.088 | 0.0035 | |
| 200 | 74 | 0.074 | 0.0029 | |
| — | 70 | 0.070 | 0.0027 | |
| 230 | 63 | 0.063 | 0.0024 | Human hair |
| — | 55 | 0.055 | 0.00217 | |
| 270 | 53 | 0.053 | 0.0021 | |
| — | 50 | 0.050 | 0.00197 | |
| 325 | 44 | 0.044 | 0.0017 | |
| — | 40 | 0.040 | 0.00157 | |
| 400 | 37 | 0.037 | 0.0015 | |
| 550 | 25 | 0.025 | 0.00099 | |
| 625 | 20 | 0.020 | 0.00079 | |
| 1200 | 12 | 0.012 | 0.0005 | |
| 1250 | 10 | 0.010 | 0.000394 | |
| — | 7 | 0.007 | 0.000276 | |
| 2500 | 5 | 0.005 | 0.000197 | |
| 4800 | 3 | 0.003 | 0.000118 | |
| 5000 | 2.5 | 0.0025 | 0.000099 | Bacteria (approx.) |
| 12000 | 1 | 0.001 | 0.0000394 |
Information Required for Quotation
- Grade or type
- Particle size (micron or mesh)
- Morphology / form (spherical, irregular, granular, etc.)
- Quantity
- Application environment
- Required delivery country
Lead time depends on grade, particle size, quantity and processing requirements. Export availability can be reviewed based on destination country and material type. A Certificate of Analysis can be provided on request.
Request a Quote or Custom Order
Tell us your grade, particle size and quantity. We typically reply within one business day.
Frequently Asked Questions
What grades and particle sizes of PBT powder are available?
PBT (Polybutylene Terephthalate) powder is supplied with particle size and grade as follows: Powder/granular grades typically 100–300 µm Fine to medium free-flowing powder. Other grades can be reviewed on request depending on your application and quantity.
What particle sizes can you supply?
Powder/granular grades typically 100–300 µm Mesh-based requirements are also accepted; a mesh-to-micron conversion reference is provided on the page.
Can PBT powder be made to custom specifications?
Yes. PBT powder is produced to order — grade, particle size, morphology and packaging can be customized to your specification. Select “Custom Order” in the request form and provide your target values.
What is the minimum order quantity (MOQ)?
Order quantity is flexible and small quantities and prototype requests are welcome. Please state your required quantity in the form for an accurate quotation.
Can you export and ship PBT powder internationally?
Yes, export inquiries are welcome. Availability and shipping are reviewed based on destination country, grade and quantity.
Do you provide a Certificate of Analysis (COA) or technical data?
A Certificate of Analysis and technical data can be provided on request for supplied lots.
Related Products
Request a Quote for PBT Powder
Send us your grade, particle size, quantity and application. We will review availability, quotation and lead time. Small quantities, prototypes and custom made-to-order specifications are welcome.