Butane Test results from another forum.
Best to Worst (note there are two Xikars, UK and USA, two Fasfils, UK and Korea, and two Purtanes, the original, and 9X)
Ultra Pure had 0.001g of residue
Ultra Pure, England, 300ml can, reads on the bottom "DOM 27.09.13 06:58"
Special Blue 7X had 0.001g of residue
Special Blue 7X, country of manufacture?, 300ml can, reads on the bottom "131028"
EcoGreen butane #2 had 0.0015g of residue (in an ~300ml can's worth) (residue has a strong chemical smell, don't use without further distillation or filtering)
EcoGreen Industries, China, 30lb n-butane tank
EcoGreen butane #3 had 0.0015g of residue (in an ~300ml can's worth) (residue has a strong chemical smell, don't use without further distillation or filtering)
EcoGreen Industries, China, 30lb n-butane tank
Lotus had 0.002g of residue
Lotus, England, 400ml/13.4oz/222g can, reads on the bottom "DOM 03.10.12 14:03"
Crown #1 had 0.003g of residue
Crown, England, 300ml can, reads on the bottom "DOM 29.03.14 00:34"
Crown #2 had 0.0022g of residue (four cans shot to the same test bag, this is the result divided by four)
Crown, England, 300ml can, reads on the bottom "DOM 29.03.14 00:34"
STOK FYR ABSOLUTE PURITY had 0.003g of residue
STOK FYR ABSOLUTE PURITY, USA, 325ml can, reads on the bottom "14190(1) STOK 325ml 04086"
whip-it! Premium had 0.003g of residue
whip-it! Premium, UK, 400ml can, reads on the bottom "239 M 17:25 1"
Cloud 9X had 0.003g of residue
Cloud 9X, 300ml can with no country or date of manufacture
Xikar #1 had 0.002g of residue (residue has a chemical smell, avoid)
Xikar, UK, 400ml can, reads on the bottom "3/13/'12"
Xikar #2 had 0.002g of residue (residue has a chemical smell, avoid)
Xikar, UK, 400ml can, reads on the bottom "3/13/'12"
Xikar #3 had 0.002g of residue (residue has a chemical smell, avoid)
Xikar, UK, 400ml can, reads on the bottom "3/13/'12"
Xikar #4 had 0.003g of residue(residue has a chemical smell, avoid)
Xikar, UK, 400ml can, reads on the bottom "3/13/'12"
Xikar #5 had 0.003g of residue (residue has chemical smell, avoid)
Xikar, UK, 400ml can, reads on the bottom "3/13/'12"
EcoGreen propane had 0.003g of residue (in an ~300ml can's worth) (residue has a strong chemical smell, don't use without further distillation or filtering)
EcoGreen Industries, China, 30lb n-propane tank
Ignitus 7X had 0.003g of residue
Ignitus 7X, China, 300ml can, no date of manufacture
Ignitus 3X (yellow and red can) had 0.003g of residue
Ignitus 3X (yellow and red can,) China, 300ml can, no date of manufacture
Bleu Magic had .0035g of residue (two cans shot to the same test bag, this is the result divided by two)
Bleu Magic, no country of manufacture, 300ml can, reads on the bottom "13119"
Newport #2 had 0.004g of residue
Newport, England, 300ml can, reads on the bottom "DOM 26.03.13 19:09"
Clipper 7X had 0.004g of residue
Clipper 7X, China, 4.89oz/139g can, reads on the bottom "26.03.2012"
Neon #1 had 0.004g of residue (no added odorant/mercaptan)
Neon, China, 300ml can, reads on the bottom "Manufactured On 20/12/2012/ (00488)"
Neon #2 had 0.005g of residue (unusable due to added odorant/mercaptan)
Neon, China, 300ml can, reads on the bottom "Manufactured On 20.02.1200413"
Neon #3 had 0.001g of residue (no added odorant/mercaptan)
Neon, China, 300ml can, reads on the bottom "Manufactured On 25/05/2012(00446)" (no added odorant/mercaptan)
Special Blue 5X had 0.004g of residue
Special Blue 5X, country of manufacture?, 300ml can, reads on the bottom "131024"
BHO 7X had 0.004g of residue
BHO 7X, Korea, 320ml can, reads on the bottom "130903"
whip-it! 5X had 0.005g of residue
whip-it 5X, Korea, 300ml can, reads on the bottom "130610"
Special Blue 9X had 0.005g of residue
Special Blue 9X, country of manufacture?, 300ml can, reads on the bottom "130702"
Puretane #1 had 0.006g of residue
Puretane, USA, 300ml/167g can, reads on the bottom "13339 (1) 34623 06332"
Puretane #2 had 0.006g of residue
Puretane, USA, 300ml/167g can, reads on the bottom "13339 (1) 34623 06324"
Ignitus 11X had 0.006g of residue
Ignitus 11X, China, 300ml, no date of manufacture
BHO 5X had 0.006g of residue
BHO 5X, Korea, 320ml can, reads on the bottom "130902"
Ronson #2 had 0.001g residue
Ronson, USA. 300ml/165g can, reads on the bottom "I1713"
Ronson #3 had <.001g residue
Ronson, USA, 300ml/165g can, reads on the bottom "I1713"
Ronson #4 had 0.006g of residue
Ronson, USA, 300ml/165g can, reads on the bottom "H1314"
(available at any Walgreens drug store for $6 plus tax)
Zippo #1 had 0.001g of residue
Zippo, USA, 300ml/165g can, reads on the bottom "H1513"
Zippo #2 had 0.0068g of residue (six cans shot to the same test bag, this is the result divided by six)
Zippo, USA, 300ml/165g can, reads on the bottom "K1113"
Smoke It's had 0.007g of residue (residue stinks!!! don't use!)
Smoke It's, 300ml can with no country or date of manufacture
Moorpark 5X #1 had 0.006g of residue
Moorpark 5X, China, 300ml can, no date of manufacture
Moorpark 5X #2 had 0.007g of residue
Moorpark 5X, China, 300ml can, no date of manufacture
Neon 5X #1 had 0.001g of residue (no added odorant/mercaptan)
Neon 5X, China, 300ml can, reads on the bottom "Manufactured On 20/05/2013(00506)"
Neon 5X #2 had 0.015g of residue (stinks, odorant/mercaptan?)
Neon 5X, China, 300ml can, reads on the bottom "Manufactured On 11/05/2012(004236)"
Neon 5X #3 had 0.004g of residue (no added odorant/mercaptan)
Neon 5X, China, 300ml can, reads on the bottom "Manufactured On 25/5/2013(00505)
Neon 5X #4 had 0.007g of residue
Neon 5X, China, 300ml can, reads on the bottom "Manufactured On 20/04/2014(0 0 5 3 9)"
Glow 5X had 0.008g of residue
Glow 5X, China, 300ml can, reads on the bottom "2014/02/02 2016/02/01"
Ignitus 5X had 0.009g of residue
Ignitus 5X, China, 300ml can, no date of manufacture
Lucienne #2 had 0.002g of residue
Lucienne, England, 300ml can, reads on the bottom "DOM 16.07.13 13:28"
Lucienne #3 had 0.001g of residue
Lucienne, England, 300ml can, reads on the bottom "DOM 16.07.13 13:28"
Lucienne #4 had <0.001g residue
Lucienne, England, 300ml can, reads on the bottom "DOM 16.07.13 13:28"
Lucienne #5 had 0.009g of residue (three cans shot to the same test bag, this is the result divided by three)
Lucienne, England, 300ml can, reads on the bottom "DOM 05.01.15 22:40"
Iolite had 0.010g of residue
Iolite, England, 300ml can, reads on the bottom "DOM 30.07.13 22:45"
I suggest these ^^^ and avoid those below
Xikar #1 had 0.010g of residue (residue has a chemical smell, avoid)
Xikar, USA, 8oz/225g can, reads on the bottom "CC26/0947"
Xikar #2 had 0.007g of residue(residue has a chemical smell, avoid)
Xikar, USA, 8oz/225g can, reads on the bottom "CC26/1153"
Nxxt 2 Zero had 0.014g of residue (two cans shot to the same bag, this is the result divided by two)
Nxxt 2 Zero, England, 300ml can, reads on the bottom "DOM 18.01.14 11:45"
Comoy's had 0.015g of residue
Comoy's, UK, 300ml can, reads on the bottom "DOM 23.05.13 05:28"
Blazer 3X had 0.016g of residue
Blazer 3X, Korea, 150g can, reads on the bottom "131023"
whip-it! 7X had 0.017g of residue
whip-it! 7X, Korea, 300ml can, reads on the bottom "131011"
VECTOR 14X #1 had 0.019g of residue
VECTOR 14X, Korea, 320ml can, reads on the bottom "AUTHENTIC VECTOR GAS 2013 09 10"
VECTOR 14X #2 had 0.018g of residue
VECTOR 14X, Korea, 320ml can, reads on the bottom "AUTHENTIC VECTOR GAS 2013 09 10"
VECTOR 14X #3 had 0.017g of residue (two cans shot to the same bag, this is the result divided by two)
VECTOR 14X, Korea, 320ml can, reads on the bottom "AUTHENTIC VECTOR GAS 2014.10.24"
Power 5X #2 had 0.019g of residue
Power 5X, Korea, 300ml can, reads on the bottom "130731"
Power 5X #3 had 0.019g of residue
Power 5X, Korea, 300ml can, reads on the bottom "141203"
Fasfil 5X had 0.019g of residue (two cans shot to the same test bag, this is the result divided by two)
Fasfil 5X, UK, 300ml can, reads on the bottom "DOM 20.08.14 06:51"
Power (0X) had 0.021g of residue
Power (0X), Korea, 300ml can, reads on the bottom "130819"
Capital N-butane #1 had 0.008g of residue
Capital N-butane, USA, 6.6oz/187g can, reads on the bottom "13337"
Capital N-butane #2 had 0.009g of residue
Capital N-butane, USA, 6.6oz/187g can, reads on the bottom "13337"
Capital N-butane #3 had 0.021g of residue (six cans shot to the same test bag, this is the result divided by six)
Capital N-butane, USA, 6.6oz/187g can, reads on the bottom "14183"
Puretane 9X #1 had 0.0003g of residue (three cans shot to the same test bag, this is the result divided by three)
Puretane 9X, USA, 300ml can, reads on the bottom "14137 (1) 346570SC" SN's "02719" "02731" and "02743"
Puretane 9X #2 had 0.0015g of residue (six cans shot to the same test bag, this is the result divided by six)
Puretane 9X, USA, 300ml can, reads on the bottom "14137 (1) 346570SC" SN's "02608, 02663, 02666, 026675, 02694, and 02695"
Puretane 9X #3 had 0.0018g of residue (five cans shot to the same test bag, this is the result divided by five)
Puretane 9X, USA, 300ml can, reads on the bottom "14137 (1) 346570SC" SN's "02674, 02734, 02740, 02741, and 02758"
Puretane 9X #4 had 0.021g of residue (three cans shot to the same test bag, this is the result divided by three)
Puretane 9X, USA, 300ml can, reads on the bottom "14352 (1) 34674" SN's "02253, 02273, and 02286"
Puretane 9X #5 had 0.015g of residue (two cans shot to the same test bag, this it the result divided by two)
Puretane 9X, USA, 300ml can, reads on the bottom "15017 (1) 34674 08313" and "15019 (1) 34674 02787"
Colibri #1 had 0.001g of residue
Colibri, UK, 300ml can, reads on the bottom "DOM 18.04.13 06:35"
Colibri #2 had 0.022g of residue (two cans shot to the same test bag, this is the result divided by two)
Colibri, UK, 300ml can, reads on the bottom "DOM 28.08.14 10:51"
Stok FYR had 0.023g of residue
Stok FYR, UK, 5.8oz/165g can, reads on the bottom "DOM 07.08.13 15:57"
Super 7X had 0.023g of residue
Super 7X, Korea, 300ml can, reads on the bottom "140712"
Clipper 12X had 0.025g of residue
Clipper 12X, Spain, 170g can, reads on the bottom "QT31E"
whip-it! 9X had 0.025g of residue
whip-it! 9X, Korea, 320ml can, reads on the bottom "130708"
hitman 5X had 0.025g of residue
hitman 5X, Korea, 300ml can, reads on the bottom "130903"
Turbo 9X had 0.025g of residue
Turbo 9X, Korea, 320ml can, reads on the bottom "140530"
London had 0.025g of residue
London, England, 300ml can, reads on the bottom "DOM 03.09.14 19:14"
Jetline had 0.027g of residue
Jetline, Korea, 330ml can, reads on the bottom "130410"
Dab Lyfe 7X had 0.027g of residual
Dab Lyfe 7X, Korea, 320ml can, reads on the bottom "131220"
VECTOR #3 had 0.028g of residue
VECTOR, Korea, 320ml can, reads on the bottom "AUTHENTIC VECTOR GAS 2013.04.06"
VECTOR #4 had 0.028g of residue
VECTOR, Korea, 320ml can, reads on the bottom "AUTHENTIC VECTOR GAS 2013.04.06"
Gasone 5X had 0.028g of residue
Gasone 5X, Korea, 5.8oz/165g can, reads on the bottom "130511"
Bernzomatic had 0.028g of residue
Bernzomatic, "Made in U.S.A. of Global Components," reads on the bottom "13130 011288"
Power 7X had 0.029g of residue
Power 7X, Korea, 300ml can, reads on the bottom "120716"
Mega Plus 7X had 0.029g of residue
Mega Plus 7X, Korea, 300ml can, reads on the bottom "130801"
Meteor 7X had 0.030g of residue
Meteor 7X, Korea?, 165g can, reads on the bottom "130517"
Fasfil 5X #1 had 0.030g of residue
Fasfil 5X, Korea, 300ml can, reads on the bottom "120718"
Fasfil 5X #2 had 0.032g of residue
Fasfil 5X, Korea, 300ml can, reads on the bottom "120718"
Superblu 9X had 0.032g of residue
Superblu 9X, Korea, 320ml can, reads on the bottom "131218"
King had 0.033g of residue
King, Korea, 300ml can, reads on the bottom "12.04.25"
Lava had 0.033g of residue
Lava, Korea, 5.3oz/150g can, reads on the bottom "070321"
Super 5X had 0.033g of residue
Super 5X, Korea, 300ml can, reads on the bottom "130626"
Magnum 5X had 0.035g of residue
Magnum 5X, Korea, 300ml can, reads on the bottom "120405"
Spark 7x had 0.04g of residue
Spark 7x, Korea, 300ml can, reads on the bottom "120404"