Sigma Polyurethane Pad Printing Ink
UR Series
About Sigma UR Inks
Sigma UR Pad Printing Ink is specifically formulated to provide excellent mechanical durability and solvent resistance as both the direct print and in top-coat applications.
The Polyurethane ink series adheres extremely well to ABS, Acrylics, Polystyrene, Polycarbonate, SAN, PET, Rigid and flexible PVC, Polypropylene (pretreated), varnished surfaces, Nylon, Polyurethane, Powder Coated and Anodized surfaces, Glass, pretreated Polypropylene, pretreated Polyethylene, and POM’s such as Delrin with pre-treat and post bake.
As with all Sigma Ink Series the UR ink series has earned:
- USP Class VI Medical Certification
- REACH Compliance (EC 1907/2006)
- RoHS Compliance (RoHS2 Directive 2011/65/EU)
- ISO 9001:2015 Quality Management System
- ISO 14001:2015 Environmental Management System
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Looking for a Custom Color Match?
Experience true batch-to-batch color consistency when using Sigma inks to perform custom color formulation, or when ordering pre-blended colors. Every lot of Sigma ink is carefully analyzed using a spectrophotometer to ensure color consistency without drift, allowing you to formulate a color recipe once and repeat with confidence.
Custom Color Matching can be performed according to:
- Pantone Matching System
- Sample color chip
- RAL Color Standard
- Federal Standard 595
- L*a*b* color values
Color matches can be provided as a blend number to order pre-blended ink, or we can provide the blend recipe for you to mix the color match in-house on demand.
Click on a color name below for ink details and how to place your order.
Standard Colors
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UR 301 | Bright Silver
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UR 305 | Rich metallic Gold
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UR 306 | Bright metallic Gold
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UR 307 | Pale metallic Gold
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UR 310 | Black Extra Opaque
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UR 311 | Light Grey Extra Opaque
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UR 320 | White Extra Opaque
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UR 330 | Primrose Yellow EO
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UR 331 | Rich Yellow Extra Opaque
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UR 340 | Orange Extra Opaque
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UR 350 | Fire Red Extra Opaque
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UR 351 | Red Extra Opaque
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UR 380 | Reflex Blue Extra Opaque
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UR 381 | Blue Extra Opaque
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UR 390 | Green Extra Opaque
UR Thinners & Additives
Substrate Compatibility Chart
Substrates | MP Series | UR Series | PP Series | UV Series |
---|---|---|---|---|
ABS/SAN | check | check | check | |
Acrylic Glass (PMMA) | check | check | check | |
Anodized Aluminum | check, MP203, MP200 | check | ||
Glass, Ceramics, and Chrome | check, MP201 | check | ||
Metals | check, MP200 | check | check, MP200 | |
PETG, PETA | check | check | ||
Polyacetal POM (Delrin) | check, MP200 | check | ||
Polyamide (Nylon, Kevlar) | check, MP200, MP206 | check | check, MP200 | |
Polycarbonate | check | check | check | |
Polyester | check, MP202 | check | ||
Polyethylene, Pre-treated | check, MP202, MP206 | check | check, MP200 | |
Polypropylene, Pre-treated | check, MP206 | check | check | check, MP200 |
Polypropylene, Un-treated | check | |||
Polyurethane | check, MP200 | check | ||
Polystyrene | check | check | check | |
Powder Coated Surfaces | check, MP200 | check | ||
PVC, Rigid | check | check | check | |
Thermoplastic, TPE | ||||
PVC, Flexable | check | check | ||
Phenolic | check, MP203 | check | ||
Textiles, Cotton | check | check | ||
Textiles, Synthetics | check | check | ||
Varnished Surfaces | check | check | check, MP200 | |
Paper, Corrugated Board | check | check | ||
Wood | check | check |
Part # | Mix ratio (by weight) |
---|---|
UR 101 Retarder* | 3-10% |
UR 102 Thinner** | 15-30% |
UR 103 Fast Thinner** | 15-30% |
UR 200 Hardener | 20% |
UR 201 Glass Hardener | 20% |
*Retarder amount varies according to operating requirement
**Recommended Thinner ratio dependent on application