KAPAK是美国专业生产包装袋的生产厂家，近期被AMPAC所收购。
其生产的包装袋广泛应用于食品，电子，环保，制药等行业。具有使用寿命长，可高温高压灭菌，可冷冻，离子等含量低等特点。
样品袋具备 无菌，无离子，可高温，可冷冻，三层结构，符合ASTM F-1249 和ASTM D-3985 标准
Polyester Pouches, Kapak（AMPAC）
Boilable, freezable, and microwavable polyester bags combine tensile strength with strong heat seals and superior barrier properties. Will sustain temperatures from –56 to 115°C (–70 to 240°F). Safe for use with concentrations of formaldehyde, most acids, alkalies, greases, oils, and organic solvents. Transparent, airtight, moisture- and odor-proof.
规格和型号有： 
Kapak No. Dimensions, cm (in.) mL (oz.) Unit
Regular, 厚度2.5 mil
400-24 : 10.1 x 15.2 (4 x 6) 120 (4) Pack of 100. Case of 2400
402-24 : 16.5 x 20.3 (6 1/2 x 8) 480 (16) Pack of 75. Case of 1800
403-24 : 20.3 x 24.1 (8 x 9 1/2) 720 (24) Pack of 50. Case of 24
404-24 : 20.3 x 30.4 (8 x 12) 950 (32) Pack of 40. Case of 960
405-24 : 25.4 x 30.4 (10 x 12) 1440 (48) Case of 24
406-24 : 24.1 x 40.6 (9 1/2 x 16) 1900 (64) Pack of 20. Case of 480
另有Heavy-Duty, 厚度4.5 mil 
500-24 : 10.1 x 15.2 (4 x 6) 120 (4) Pack of 100. Case of 2400
500B-1M : 10.1 x 15.2 (4 x 6) 120 (4) Case of 1000
502-24 : 16.5 x 20.3 (6 1/2 x 8) 480 (16) Pack of 75. Case of 1800
503-24 : 20.3 x 24.1 (8 x 9 1/2) 720 (24) Pack of 50. Case of 24
504-24 : 20.3 x 30.4 (8 x 12) 950 (32) Pack of 40. Case of 960
504B-1M : 20.3 x 30.4 (8 x 12) 950 (32) Case of 1000
505-24 : 25.4 x 30.4 (10 x 12) 1440 (48) Pack of 30. Case of 720
505B-1M : 25.4 x 30.4 (10 x 12) 1440 (48) Case of 1000
506-24 : 24.1 x 40.6 (9 1/2 x 16) 1900 (64) Pack of 20. Case of 480
506B-500 : 24.1 x 40.6 (9 1/2 x 16) 1900 (64) Case of 500
整卷系列
厚度2.5Mil
Size：
TRS-95250-2 : Clear Polyester 9.50" WIDE X 250 FEET Mil: 2.5 Size (Inches): 9.5 x 250" Case Pack: 1 Roll
TRS-24250-6 : Clear Polyester 24" WIDE X 250 FEET Mil: 2.5 Size (Inches): 24 x 250" Case Pack: 1 Roll
厚度4.5Mil
Size： TRS-16125-4 : Clear Polyester 16" WIDE X 125 FEET Mil: 4.5 Size (Inches): 16 x 125" Case Pack: 1 Roll
TRS-95125-3 : Clear Polyester 9.50" WIDE X 125 FEET Mil: 4.5 Size (Inches): 9.5 x 125" Case Pack: 1 Roll
常见应用 :
PCB产业常用的法规依据. IPC-TM-650 Test method
