Serabond Size #20 / Tex 135 / V-138 Bonded Polyester Outdoor Sewing Thread – UV Resistant

Amann Serabond #20 is a high-performance bonded polyester sewing thread designed for demanding outdoor sewing applications. With a Tex 135 / Ticket 20 / V-138 specification, this durable thread is specially produced for awnings, shelters, sails, tents, outdoor banners, boat covers, canvas products, and other outdoor textile applications.

The bonded construction helps prevent thread untwisting during sewing and provides consistent performance, particularly for multi-directional sewing. Its protective coating also contributes to excellent resistance against UV exposure, fading, weather conditions, chemicals, and mildew.

Key Features

• 100% continuous-filament polyester with bonded construction
• High-performance thread for outdoor and heavy-duty sewing applications
• Excellent UV resistance for prolonged outdoor exposure
• Extremely durable for demanding textile applications
• Resistant to untwisting, making it suitable for multi-directional sewing
• Protective coating improves resistance to weather and environmental conditions
• Good resistance to many chemicals and outdoor elements
• Mildew resistant
• Designed to help maintain seam performance and reduce thread-related sewing issues
• Made in Germany

Technical Specifications

• Brand: Amann Serabond
• Thread Size: #20
• Tex Size: Tex 135
• Ticket Size: 20
• V Size: V-138
• Material: Bonded polyester continuous filament
• Construction: Bonded
• Thread Length: 1,600 metres per cone
• Cone Dimensions: Approximately 14 cm height × 8 cm diameter
• Needle Size: Select according to the sewing machine, fabric, and application
• Colours: Several colours available
• Country of Manufacture: Germany

Outdoor Sewing Applications

Serabond #20 / Tex 135 is suitable for a wide range of outdoor and heavy-duty sewing applications, including:

• Outdoor banners and signage
• Camping tents
• Awnings and shade structures
• Outdoor shelters and canopies
• Sails and marine textiles
• Boat covers and protective covers
• Outdoor bags and equipment
• Canvas products
• Tarpaulins
• Outdoor furniture and upholstery
• Life jackets and other outdoor equipment

Outdoor Durability

Serabond #20 is engineered for applications where UV resistance, weather stability, and seam durability are important. The bonded finish helps keep the continuous polyester filaments together during sewing, reducing untwisting and supporting reliable stitch formation.

• Weather Stability: Excellent balance of UV resistance and bonding performance
• Chemical Resistance: Good resistance to acids and common outdoor elements
• Durability: Designed for long-term outdoor applications
• Water Repellency: Optional water-repellent finish may be available depending on specification

Why Choose Serabond #20?

For outdoor products exposed to sunlight and changing weather conditions, the sewing thread is an important part of overall seam durability. Serabond #20 / Tex 135 / V-138 combines a strong continuous-filament polyester construction with a bonded finish and UV-resistant properties, making it suitable for professional outdoor sewing, canvas work, marine applications, and heavy-duty textile production.

Product Information

Thread Cone Holder for Domestic Sewing Machines

Due to its larger #20 / Tex 135 / V-138 thread size and cone format, compatibility with domestic sewing machines depends on the machine and application. If you need to use a large thread cone with a domestic sewing machine, a suitable thread cone holder can help provide smoother thread feeding.

Purchase a Thread Cone Holder

Shop Thread Cone Holder for Domestic Sewing Machines

Product Images

Outdoor Banner

Camping Tent

Outdoor Activity Items

Note: Always verify the required thread size, needle size, sewing machine compatibility, and fabric requirements before use. Needle and tension recommendations may vary depending on the machine and application.