亚洲欧美不卡视频在线播放,最新中文字幕av无码不卡,偷拍亚洲制服另类无码专区

Product Series: Lighting Tile Resin Winding Resin Marine Resin Antiseptic Resin Barcol Hardness Pultrusion Resin Bolt Resin Molding Resin Buttons , Crafts Resin Spray Resin Artificial Stone, Quartz Resin General Purpose Resin Bathroom Resin Vacuum Introduced Resin Flame-retardedResin Modeling Resin

TR-S191 unsaturated polyester resin (modified)

2023-11-14

1、 Features and main uses:

Tianrun S191 is an unsaturated polyester resin (modified) mainly composed of phthalic anhydride and standard diols. It has been dissolved in styrene and pre promoted with cobalt isooctanoate solution, exhibiting moderate viscosity and reactivity. Suitable for hand laying fiberglass products.

2、 Technical specifications of liquid resin (25 ℃):

Item	Unit	Test indicators	Test method
Appearance	---	Transparent light yellow liquid	GB/T8237.6.1.1
Viscosity	CPa·s	0.35-0.65	GB/T 7193-2008
Acid value	mgKOH/g	≤35	GB/T 2895-2008
Gel time	Min（25℃）	25-35	GB/T 7193-2008
stability	H（80℃）	≥24	GB/T 7193-2008

Note: In a 25 ℃ water bath, add 2 ml of methyl ethyl ketone peroxide solution to 50g of resin

3、 Physical properties of the casting body (for reference only):

Item	Unit	Test performance	Test method
Item	Unit	Casting body	Test method
Tensile strength	MPa	≥50	GB/T2567-2008
Tensile modulus of elasticity	MPa	≥2600	GB/T2567-2008
Elongation at break	%	≥2.0	GB/T2567-2008
Bending strength	MPa	≥100	GB/T2567-2008
Flexural modulus	MPa	≥3000	GB/T2567-2008
Heat distortion temperature	℃	≥58	GB/T1634-2004
Barcol hardness	---	≥42	GB/T3854-2005

Note: (1) The casting method shall be executed according to GB/T8237-2005; Temperature 25 ℃, curing system: accelerator RCA 1.0%, curing agent M-50 1.5%.

(2) Post casting curing treatment: room temperature × 24 hours+60 ℃ × 3 hours+80 ℃ × 2 hours;

4、 Precautions:

1. Before use, please stir evenly in the packaging bucket, or pour out all the resin in the packaging bucket and stir evenly before use.

2. During transportation, it should comply with Chapter 5 of the State Council's "Regulations on the Safety Management of Chemical Dangerous Goods" regarding the transportation and loading and unloading of chemical dangerous goods. The product should be stored in a cool place below 25 ℃, avoiding ignition and isolating heat sources. The shelf life for storage below 25 ℃ is 3 months.

5、 Regarding Product Safety Data (MSDS):

Before using this product, please read the MSDS carefully.