Cross-Linked Foam
600 South Etiwanda Ave | Ontario | California | 91761
800-531-3626 | Tel. 909-390-6644 | Fax 909-390-6641
 
 
 

 

TB Foam - Qycell Crosslinked PE Bun Foam

Qycell bun foam (TB) is a unique, closed cell crosslinked polyethylene bun foam.
TB has an extremely fine celled molecular structure. Unlike other foams, TB foam is a skin-soft and aesthetically pleasing material offering superior flexibility, elasticity and resilience. Qycell’s bun foam is also made of a clean and non-toxic material.

TB foam exhibits exceptional mechanical strength and durability. It is lightweight and exhibits excellent shock absorption and protects products from vibration, shock and electric static. TB can be die cut easily, pressure or vacuum formed into simple or complex shapes. This foam is used for many applications such as toys, children’s mats, packaging, and shoe insoles.

 

Cross-linked Polyethylene Foams

Cross-linked Polyethylene Foams Qycell Corporation specializes in the production and distribution of highperformance closed-cell cross-linked polyolefin foams. Qycell™ brand foams are the preferred choice for applications that require die cutting, laminating, welding, and thermoforming due to the foam’s superior consistency. Qycell supplies cross-linked, irradiated, EVA, and micro-cellular bun foams to the following Qycell™ specifications.

  • TB-Foam A chemically (T) cross-linked, closed cell, micro-cellular polyethylene foam. This manufacturing process utilizes a "pressed-bun" process that results in one of its nicknames "bun" (B). Other names are derived from its appearance such as plank, mini-cell, EVA, and sheet form.

    Qycell Corporation (formerly Qycell™) specializes in the production and distribution of high performance closed-cell cross-linked polyolefin foams. Qycell™ brand foams are the preferred choice for applications that require die cutting, laminating, welding, and thermoforming due to the foam’s superior consistency.
  • Qycell supplies cross-linked, irradiated, EVA, and micro-cellular bun foams to the following Qycell™ specifications.
  • Density
    • TB-20 is a nominal 2.0 pcf
    • TB-30 is a nominal 3.0 pcf
    • TB-40 is a nominal 4.0 pcf
    • TB-60 is a nominal 6.0 pcf
    • Bun Sizes: 4” x 48” x 72” and 4” x 40” x 80” are the untrimmed standard sizes. All buns come with a tough outer skin or skived on the top and bottom surfaces.
  • Colors: Standard colors include white, gray, charcoal, and black. Other colors are available for an additional charge. Bags: Clear, heavy duty, recycled PE material is used in packaging our material.
  • Additives: EVA (E) and Flame Retardant (FR) are added for special orders.
  • Minimum: An order of twenty buns is required for purchase. (Orders less than a container load are shipped from our stock on hand.) TB-Foam Physical Properties*
 

TB Foam Physical Properties

Qycell Designation TB-20 TB-30 TB-40 TB-60
Nominal Density (PFC) 2.0 3.0 4.0 6.0
Tensile Strength (PSI) 35 78 121 80
Elongation(% to break) 231 281 205 180
Tear Resistance (lb / in) 8 14 17 19
Compression Strength (PSI) (25% deflection) 9 12 18 19
Compression Set (% of original thickness) 15 13 11 10
Thermal Stability (% of chg @158° for 24 hrs)        
Thermal conductivity (btr/hr/inch/ft/F) .26 .28 .30 .30
Working Temperature Range -70°F to 175°F
Water Absorption <.04 <.07 <.07  
Flammability (MVSS302) Pass Avaialble

*Testing done according to ASTM D3575 & ASTM C177 (thermal conductivity) standards.
Test methods available upon request. All data is typical and not to be considered specification values. Qycell Corporation cannot predict or control the different conditions under which this information and our products may be applied. Therefore, we do not guarantee the applicability or the suitability of our foams nor the accuracy of this information. There is no warranty either expressed or implied on our products. Buyer assumes all responsibility for loss or damage arising from the use of our products, whether done in accordance with direction or not. Statements concerning the possible use of our products are not intended as recommendations to use our products in the infringement of any patent. Users of our products should perform testing to determine their efficiency and suitability prior to use.


 
© Copyright 2005 Qycell
 


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