Pen's & Pencils

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Pen Refills

Two Tone Alloy Shell 0.5mm Nib Refill Black Ink Gel Pen $8.38

Replaceable Refill Black Ink Icecream Shape Ball Pen White $3.70

12 Refill for Pilot Frixion 0.5mm Roller Ball Pen Black $15.99

Ink Refill Gold Tone Clip Plunger Filler Bent 0.64mm Nib Fountain Pen Black $6.60

Replaceable Refill Foam Chili Stationery Ballpoint Pen $3.28

Student Replacement 0.5mm Refill Black Ink Pocket Gel Pen $7.23

Green Red White Icecream Shaped Replaceable Refill Ball Pen $3.88

Pentech Gel Pen With Refills + Bonus $11.99

Zebra Pen G-301 Gel Retractable Pen; 0.7mm Black OR Zebra G-301 Gel Pen Refill $2.36

Piston Converter Filler Ink Refill Blue Shell 0.4mm Nib Fountain Pen $4.72

Replaceable Refill Fuchsia White Icecream Shaped Ball Pen $3.91

Black Shell 0.7mm Nib Piston Refill Fountain Pen w Clip $5.16

3pcs Pilot Vega 0.7mm Ball Point Pen free refill (blue) $13.00

Replaceable Refill Black Ink Icecream Shape Ball Pen White $3.54

Office School Stationery 0.5mm Tip Refill Black Ink Gel Pen $5.55

Aerometric Filler Ink Refill Shiny Blue Alloy Shell 0.4mm Fountain Pen $5.28

Yellow White Icecream Shape Replaceable Refill Black Ink Ball Pen $3.89

0.5mm Extra Fine Nib Aerometric Refill Red Fountain Pen $8.98

Blue White Icecream Shaped Replaceable Refill Ball Pen $3.32

Piston Converter Filler Ink Refill Blue Shell 0.4mm Nib Fountain Pen $4.95

Cross Refill for Ballpoint Pen Medium Point Black PACK OF 2 — 4 TOTAL $15.77

Pilot Dr. Grip Ballpoint Pen Refills Fine Blue 2pk PACK OF 3 FOR TOTAL OF 6 PENS $9.97

Pilot Dr. Grip Ballpoint Pen Refills Fine Black 2pk PACK OF 3 FOR TOTAL 6 PENS $9.97

Pilot Dr. Grip Ballpoint Pen Refills Fine Black 2pk PACK OF 3 FOR TOTAL OF 6 PEN $9.97

Pilot Refill for G2 Gel Pen Extra Fine Blue PACK OF 3 — TOTAL OF 6 $11.77

Pilot G2 Gel Pen Refill X-Fine Red PACK OF 3 — TOTAL OF 6 $11.77

Pilot Refill for G2 Gel Pen Fine Blue PACK OF 3 — TOTAL OF 6 $11.77

Pilot Dr. Grip Retractable Refill Med Blue 2 ct PACK OF 3 FOR TOTAL OF 6 PENS $9.97

Pilot Refill for G2 Gel Pen Extra Fine Black 2ct PACK OF 3 FOR TOTAL OF 6 $11.77

Replaceable Refill Black Ink Icecream Shape Ball Pen White $3.32

Piston Converter Filler Ink Refill 0.4mm Nib Fountain Pen Gray $5.90

Piston Ink Refill 0.38mm Hooded Nib Fountain Pen Red $7.24

Clip Design Cap Piston Ink Refill 0.5mm Broad Nib Fountain Pen Black $6.33

Office Blue Hooded 0.5mm Nib Refill Fountain Pen w Clip $5.03

0.4mm Medium Hooded Nib Green Alloy Shell Ink Refill Fountain Pen $5.87

Black Ink Replaceable Refill Eggplant Ornament Ball Pen $3.56

Silver Tone Alloy Shell 0.5mm Nib Refill Black Ink Gel Pen $5.52

0.5mm Tip Black Barrel Ink Refill Metal Fountain Pen $5.73

Replaceable Refill Green Cayenne Pepper Shape Ball Pen $3.83

Office Writing Red Hooded 0.5mm Tip Refill Fountain Pen $5.57

6 Fisher Space Pen SPR4/PR4 Black Medium Point Refills_FREE SHIPPING WORLDWIDE! $24.95

Office School Textured Alloy Shell Fine Nib Ink Refill Fountain Pen $5.91

Piston Refill Alloy Shell 0.5mm Hooded Nib Fountain Pen $7.26

Two-Tone Alloy 0.4mm Nib Ink Refill Fountain Pen w Clip $5.55

Broad 0.5mm Nib Alloy Barrel Piston Refill Fountain Pen $7.05

Golf Ball Decoration Top Black Ink Refill Sliver Tone Ballpoint Pen $5.52

8 Mont Blanc Rollerball Pen Refills Blue Fine Point NEW $6.71

8 Mont Blanc Rollerball Pen Refills Black Fine Point $17.59

3pcs PILOT VEGA 0.7mm ball Point Pen free refill (black $13.00

Aerometric Filler Ink Refill Bent BB Nib Fountain Pen Black $6.09

Golf Ball Decoration Top Black Ink Refill Sliver Tone Ballpoint Pen $5.51

5X Pilot Hi-Tec C 0.4 Roller Gel pen black Only Refill $6.50

3 Packs 7 Colors Watercolor Chalk Pen Refills w Barrels $6.50

12pen +10refill M&G GP-1008 0.5mm roller Gel Pen Black $9.99

Student Writing 0.5mm Broad Nib Ink Refill Fountain Pen $7.10

Parker Pen Co. (with adapter), and there’s ones made for Cross and older Papermate Pens.

The Leak Testing of Refills

Pens and refills are necessities in our daily life and business. The refill leakage will affect the regular application, but contaminate our clothes as well. Then, how to guarantee a good leak-resistance performance? Labthink, as the excellent testing instrument and service provider, provides the relevant standards, methods and instruments as follows:

1. The Leakage Tester for Refills

According to relevant Roller Ball Pen and refill standards, such as QB/T 1655-2006, the testing instrument is called redactor. Labthink MFY-01 Leak Tester is such to test the leak property under pressure reducing principle and has been widely applied.

2. Testing Methods and Procedure

A. Adjust the pressure reducing speed of MFY-01 Leak Tester to 10-12KPa/min.

B. Take the refills with half ink as the specimen.

C. Take off the pen cup, and insert the specimen with its head downward into the pen-stand, and place into the vacuum tank. Then, put on the lid of the vacuum tank.

D. Turn on the compressed air source, set the vacuum degree and vacuum maintaining time (10 minutes is a regulation). Take care of the different vacuum degree for different kinds of refills.

E. Start testing, when vacuum degree achieving the set value, MFY-01 Leak Tester will record the vacuum degree as programmed, and test whether the refill leaks or not.

The above is a brief introduction of the leak testing of refills. Labthink is willing to have more and thorough exchanges on quality control, testing item and method of pen industry.

Labthink Instruments Co., Ltd.

No. 144 Wuyingshan Road, Jinan 250031, China

Tracy Bao  info@labthink.cn

Tel: 0086 531 85061153  fax:0086 531 85812140

About the Author

Labthink, the excellent provider of testing instruments and testing services, is devoted to provide most excellent and complete quality control solutions for pharmaceutical, foodstuff, cosmetics, packaging, printing, adhesive, automotive, petrochemistry, environment, biology, new energy, construction, aviation and electronic industries worldwide.